diff --git a/.env.dist b/.env.dist
index ba83d89b7d..7cdb85c292 100644
--- a/.env.dist
+++ b/.env.dist
@@ -33,8 +33,6 @@ APP_LOCALE='en_US'
 
 APP_CUSTOM_VUE_TEMPLATE='0'
 
-APP_MULTIPLE_ACCESS_URL=''
-
 GOOGLE_MAPS_API_KEY=''
 
 #APP_API_PLATFORM_URL='http://localhost/api/' #deprecated
diff --git a/assets/css/scss/atoms/_toast.scss b/assets/css/scss/atoms/_toast.scss
index 6d3dc34620..23198e65e9 100644
--- a/assets/css/scss/atoms/_toast.scss
+++ b/assets/css/scss/atoms/_toast.scss
@@ -1,5 +1,5 @@
 .p-toast {
-  @apply whitespace-pre-line break-words opacity-90 w-96;
+  @apply whitespace-pre-line break-words opacity-90 min-w-96;
 
   &.p-toast-top-center, &.p-toast-bottom-center {
     @apply -translate-x-1/2;
@@ -52,7 +52,7 @@
       @apply bg-warning text-gray-90 border-0;
 
       .p-toast-message-icon, .p-toast-icon-close {
-        @apply bg-gray-90;
+        @apply text-gray-90;
       }
     }
 
@@ -65,14 +65,14 @@
     }
 
     .p-toast-message-content {
-      @apply flex items-center p-4 border-0;
+      @apply flex items-start p-4 border-0;
 
       .p-toast-message-text {
-        @apply flex-auto m-0 ml-4;
+        @apply flex-auto m-0 ml-4 self-center;
       }
 
       .p-toast-message-icon {
-        @apply shrink-0 text-body-1;
+        @apply shrink-0 text-2xl;
 
         &.p-icon {
           @apply w-8 h-8;
diff --git a/public/main/admin/course_edit.php b/public/main/admin/course_edit.php
index 0ec8c7aede..14b6baa03e 100644
--- a/public/main/admin/course_edit.php
+++ b/public/main/admin/course_edit.php
@@ -59,19 +59,14 @@ while ($obj = Database::fetch_object($res)) {
 }
 
 // Get all possible teachers without the course teachers
-if (api_is_multiple_url_enabled()) {
-    $access_url_rel_user_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-    $sql = "SELECT u.id as user_id,lastname,firstname
-            FROM $table_user as u
-            INNER JOIN $access_url_rel_user_table url_rel_user
-            ON (u.id=url_rel_user.user_id)
-            WHERE
-                url_rel_user.access_url_id = $urlId AND
-                status = 1".$order_clause;
-} else {
-    $sql = "SELECT id as user_id, lastname, firstname
-            FROM $table_user WHERE status='1'".$order_clause;
-}
+$access_url_rel_user_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+$sql = "SELECT u.id as user_id,lastname,firstname
+    FROM $table_user as u
+    INNER JOIN $access_url_rel_user_table url_rel_user
+    ON (u.id=url_rel_user.user_id)
+    WHERE
+        url_rel_user.access_url_id = $urlId AND
+        status = 1".$order_clause;
 $courseInfo['tutor_name'] = null;
 
 $res = Database::query($sql);
diff --git a/public/main/admin/course_information.php b/public/main/admin/course_information.php
index 40b74704e1..0a26fc89d4 100644
--- a/public/main/admin/course_information.php
+++ b/public/main/admin/course_information.php
@@ -138,17 +138,15 @@ echo Display::page_header(get_lang('Users'));
 $table_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
 $table_user = Database::get_main_table(TABLE_MAIN_USER);
 $sql = "SELECT *, cu.status as course_status
-        FROM $table_course_user cu, $table_user u";
-if (api_is_multiple_url_enabled()) {
-    $sql .= " INNER JOIN ".Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER)." url_rel_user
-        ON
-            u.id = url_rel_user.user_id AND
-            url_rel_user.access_url_id = ".api_get_current_access_url_id();
-}
-$sql .= " WHERE
-            cu.user_id = u.id AND
-            cu.c_id = '".$courseId."' AND
-            cu.relation_type <> ".COURSE_RELATION_TYPE_RRHH;
+    FROM $table_course_user cu, $table_user u
+    INNER JOIN ".Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER)." url_rel_user
+    ON
+        u.id = url_rel_user.user_id AND
+        url_rel_user.access_url_id = ".api_get_current_access_url_id()."
+    WHERE
+        cu.user_id = u.id AND
+        cu.c_id = '".$courseId."' AND
+        cu.relation_type <> ".COURSE_RELATION_TYPE_RRHH;
 $res = Database::query($sql);
 $is_western_name_order = api_is_western_name_order();
 if (Database::num_rows($res) > 0) {
diff --git a/public/main/admin/course_list.php b/public/main/admin/course_list.php
index 28dad9c0d1..2e3da2dcd9 100644
--- a/public/main/admin/course_list.php
+++ b/public/main/admin/course_list.php
@@ -80,9 +80,7 @@ function get_course_data($from, $number_of_items, $column, $direction, $dataFunc
             INNER JOIN $tblCourseCategory category ON course_rel_category.course_category_id = category.id ";
     }
 
-    if ((api_is_platform_admin() || api_is_session_admin()) &&
-        api_is_multiple_url_enabled() && -1 != api_get_current_access_url_id()
-    ) {
+    if ((api_is_platform_admin() || api_is_session_admin())) {
         $access_url_rel_course_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
         $sql .= " INNER JOIN $access_url_rel_course_table url_rel_course
                  ON (course.id = url_rel_course.c_id)";
@@ -121,9 +119,7 @@ function get_course_data($from, $number_of_items, $column, $direction, $dataFunc
     }
 
     // Adding the filter to see the user's only of the current access_url.
-    if ((api_is_platform_admin() || api_is_session_admin()) &&
-        api_is_multiple_url_enabled() && -1 != api_get_current_access_url_id()
-    ) {
+    if ((api_is_platform_admin() || api_is_session_admin())) {
         $sql .= ' AND url_rel_course.access_url_id='.api_get_current_access_url_id();
     }
 
diff --git a/public/main/admin/course_list_admin.php b/public/main/admin/course_list_admin.php
index c2d6cc142d..14cf4df4c0 100644
--- a/public/main/admin/course_list_admin.php
+++ b/public/main/admin/course_list_admin.php
@@ -73,11 +73,10 @@ function get_course_data($from, $number_of_items, $column, $direction, $dataFunc
     }
 
     $sql = "$select FROM $table course";
-    if (api_is_multiple_url_enabled()) {
-        $access_url_rel_course_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
-        $sql .= " INNER JOIN $access_url_rel_course_table url_rel_course
-                  ON (course.id = url_rel_course.c_id)";
-    }
+
+    $access_url_rel_course_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
+    $sql .= " INNER JOIN $access_url_rel_course_table url_rel_course
+              ON (course.id = url_rel_course.c_id)";
 
     $tableCourseRelUser = Database::get_main_table(TABLE_MAIN_COURSE_USER);
     $sql .= "
@@ -119,9 +118,7 @@ function get_course_data($from, $number_of_items, $column, $direction, $dataFunc
     }
 
     // Adding the filter to see the user's only of the current access_url.
-    if (api_is_multiple_url_enabled()) {
-        $sql .= " AND url_rel_course.access_url_id = ".api_get_current_access_url_id();
-    }
+    $sql .= " AND url_rel_course.access_url_id = ".api_get_current_access_url_id();
 
     if ($addTeacherColumn) {
         $teachers = isset($_GET['course_teachers']) ? $_GET['course_teachers'] : [];
diff --git a/public/main/admin/dashboard_add_courses_to_user.php b/public/main/admin/dashboard_add_courses_to_user.php
index 57ece1d46f..5a938ebca9 100644
--- a/public/main/admin/dashboard_add_courses_to_user.php
+++ b/public/main/admin/dashboard_add_courses_to_user.php
@@ -76,21 +76,13 @@ function search_courses($needle, $type)
             $without_assigned_courses = ' AND c.code NOT IN('.implode(',', $assigned_courses_code).')';
         }
 
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT c.code, c.title
-                    FROM $tbl_course c
-                    LEFT JOIN $tbl_course_rel_access_url a
-                    ON (a.c_id = c.id)
-                    WHERE
-                        c.code LIKE '$needle%' $without_assigned_courses AND
-                        access_url_id = ".api_get_current_access_url_id();
-        } else {
-            $sql = "SELECT c.code, c.title
-                    FROM $tbl_course c
-                    WHERE
-                        c.code LIKE '$needle%'
-                        $without_assigned_courses ";
-        }
+        $sql = "SELECT c.code, c.title
+            FROM $tbl_course c
+            LEFT JOIN $tbl_course_rel_access_url a
+            ON (a.c_id = c.id)
+            WHERE
+                c.code LIKE '$needle%' $without_assigned_courses AND
+                access_url_id = ".api_get_current_access_url_id();
 
         $rs = Database::query($sql);
 
@@ -205,21 +197,14 @@ if (isset($_POST['firstLetterCourse'])) {
     $needle = Database::escape_string($firstLetter.'%');
 }
 
-if (api_is_multiple_url_enabled()) {
-    $sql = " SELECT c.code, c.title
-            FROM $tbl_course c
-            LEFT JOIN $tbl_course_rel_access_url a
-            ON (a.c_id = c.id)
-            WHERE
-                c.code LIKE '$needle' $without_assigned_courses AND
-                access_url_id = ".api_get_current_access_url_id().'
-            ORDER BY c.title';
-} else {
-    $sql = " SELECT c.code, c.title
-            FROM $tbl_course c
-            WHERE  c.code LIKE '$needle' $without_assigned_courses
-            ORDER BY c.title";
-}
+$sql = " SELECT c.code, c.title
+    FROM $tbl_course c
+    LEFT JOIN $tbl_course_rel_access_url a
+    ON (a.c_id = c.id)
+    WHERE
+        c.code LIKE '$needle' $without_assigned_courses AND
+        access_url_id = ".api_get_current_access_url_id().'
+    ORDER BY c.title';
 
 $result = Database::query($sql);
 
diff --git a/public/main/admin/dashboard_add_sessions_to_user.php b/public/main/admin/dashboard_add_sessions_to_user.php
index f3c47eeaf9..6170bfe950 100644
--- a/public/main/admin/dashboard_add_sessions_to_user.php
+++ b/public/main/admin/dashboard_add_sessions_to_user.php
@@ -74,17 +74,12 @@ function search_sessions($needle, $type)
             $without_assigned_sessions = ' AND s.id NOT IN('.implode(',', $assigned_sessions_id).')';
         }
 
-        if (api_is_multiple_url_enabled()) {
-            $sql = " SELECT s.id, s.title FROM $tbl_session s
-                     LEFT JOIN $tbl_session_rel_access_url a
-                     ON (s.id = a.session_id)
-                     WHERE
-                        s.title LIKE '$needle%' $without_assigned_sessions AND
-                        access_url_id = ".api_get_current_access_url_id();
-        } else {
-            $sql = "SELECT s.id, s.title FROM $tbl_session s
-                    WHERE  s.title LIKE '$needle%' $without_assigned_sessions ";
-        }
+        $sql = " SELECT s.id, s.title FROM $tbl_session s
+            LEFT JOIN $tbl_session_rel_access_url a
+            ON (s.id = a.session_id)
+            WHERE
+                s.title LIKE '$needle%' $without_assigned_sessions AND
+                access_url_id = ".api_get_current_access_url_id();
         $rs = Database::query($sql);
         $return .= '<select class="form-control" id="origin" name="NoAssignedSessionsList[]" multiple="multiple" size="20">';
         while ($session = Database :: fetch_array($rs)) {
@@ -204,19 +199,13 @@ if (!empty($firstLetterSession)) {
     $needle = Database::escape_string($firstLetterSession.'%');
 }
 
-if (api_is_multiple_url_enabled()) {
-    $sql = "SELECT s.id, s.title
-	        FROM $tbl_session s
-            LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
-            WHERE
-                s.title LIKE '$needle%' $without_assigned_sessions AND
-                access_url_id = ".api_get_current_access_url_id().'
-            ORDER BY s.title';
-} else {
-    $sql = "SELECT s.id, s.title FROM $tbl_session s
-		    WHERE  s.title LIKE '$needle%' $without_assigned_sessions
-            ORDER BY s.title";
-}
+$sql = "SELECT s.id, s.title
+    FROM $tbl_session s
+    LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
+    WHERE
+        s.title LIKE '$needle%' $without_assigned_sessions AND
+        access_url_id = ".api_get_current_access_url_id().'
+    ORDER BY s.title';
 $result = Database::query($sql);
 ?>
 <form name="formulaire" method="post" action="<?php echo api_get_self(); ?>?user=<?php echo $user_id; ?>" style="margin:0px;" <?php if ($ajax_search) {
diff --git a/public/main/admin/dashboard_add_users_to_user.php b/public/main/admin/dashboard_add_users_to_user.php
index 472ba4aa62..7538af9a9c 100644
--- a/public/main/admin/dashboard_add_users_to_user.php
+++ b/public/main/admin/dashboard_add_users_to_user.php
@@ -99,29 +99,17 @@ function search_users($needle, $type = 'multiple')
             $without_assigned_users = ' AND user.id NOT IN('.implode(',', $assigned_users_id).')';
         }
 
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT user.id as user_id, username, lastname, firstname
-                    FROM $tbl_user user
-                    LEFT JOIN $tbl_access_url_rel_user au ON (au.user_id = user.id)
-                    WHERE user.active <> ".USER_SOFT_DELETED." AND
-                        ".(api_sort_by_first_name() ? 'firstname' : 'lastname')." LIKE '$needle%' AND
-                        status NOT IN(".DRH.', '.SESSIONADMIN.', '.STUDENT_BOSS.") AND
-                        user.id NOT IN ($user_anonymous, $current_user_id, $user_id)
-                        $without_assigned_users AND
-                        access_url_id = ".api_get_current_access_url_id()."
-                    $order_clause
-                    ";
-        } else {
-            $sql = "SELECT id as user_id, username, lastname, firstname
-                    FROM $tbl_user user
-                    WHERE user.active <> ".USER_SOFT_DELETED." AND
-                        ".(api_sort_by_first_name() ? 'firstname' : 'lastname')." LIKE '$needle%' AND
-                        status NOT IN(".DRH.', '.SESSIONADMIN.', '.STUDENT_BOSS.") AND
-                        id NOT IN ($user_anonymous, $current_user_id, $user_id)
-                    $without_assigned_users
-                    $order_clause
+        $sql = "SELECT user.id as user_id, username, lastname, firstname
+            FROM $tbl_user user
+            LEFT JOIN $tbl_access_url_rel_user au ON (au.user_id = user.id)
+            WHERE user.active <> ".USER_SOFT_DELETED." AND
+                ".(api_sort_by_first_name() ? 'firstname' : 'lastname')." LIKE '$needle%' AND
+                status NOT IN(".DRH.', '.SESSIONADMIN.', '.STUDENT_BOSS.") AND
+                user.id NOT IN ($user_anonymous, $current_user_id, $user_id)
+                $without_assigned_users AND
+                access_url_id = ".api_get_current_access_url_id()."
+            $order_clause
             ";
-        }
         $rs = Database::query($sql);
         $xajax_response->addAssign('ajax_list_users_multiple', 'innerHTML', api_utf8_encode($return));
 
@@ -395,29 +383,17 @@ if (!empty($conditions)) {
     }
 }
 
-if (api_is_multiple_url_enabled()) {
-    $sql = "SELECT user.id as user_id, username, lastname, firstname
-            FROM $tbl_user user
-            LEFT JOIN $tbl_access_url_rel_user au
-            ON (au.user_id = user.id)
-            WHERE user.active <> ".USER_SOFT_DELETED." AND
-                $without_assigned_users
-                user.id NOT IN ($user_anonymous, $current_user_id, $user_id) AND
-                status NOT IN(".DRH.', '.SESSIONADMIN.', '.ANONYMOUS.") $search_user AND
-                access_url_id = ".api_get_current_access_url_id()."
-                $sqlConditions
-            ORDER BY firstname";
-} else {
-    $sql = "SELECT id as user_id, username, lastname, firstname
-            FROM $tbl_user user
-            WHERE user.active <> -1 AND
-                $without_assigned_users
-                id NOT IN ($user_anonymous, $current_user_id, $user_id) AND
-                status NOT IN(".DRH.', '.SESSIONADMIN.', '.ANONYMOUS.")
-                $search_user
-                $sqlConditions
-            ORDER BY firstname ";
-}
+$sql = "SELECT user.id as user_id, username, lastname, firstname
+    FROM $tbl_user user
+    LEFT JOIN $tbl_access_url_rel_user au
+    ON (au.user_id = user.id)
+    WHERE user.active <> ".USER_SOFT_DELETED." AND
+        $without_assigned_users
+        user.id NOT IN ($user_anonymous, $current_user_id, $user_id) AND
+        status NOT IN(".DRH.', '.SESSIONADMIN.', '.ANONYMOUS.") $search_user AND
+        access_url_id = ".api_get_current_access_url_id()."
+        $sqlConditions
+    ORDER BY firstname";
 $result = Database::query($sql);
 ?>
 <form name="formulaire" method="post" action="<?php echo api_get_self(); ?>?user=<?php echo $user_id; ?>" class="form-horizontal" <?php if ($ajax_search) {
diff --git a/public/main/admin/settings.php b/public/main/admin/settings.php
index 516b79d50c..da3c6b4439 100644
--- a/public/main/admin/settings.php
+++ b/public/main/admin/settings.php
@@ -71,18 +71,16 @@ if (!empty($_GET['category']) &&
         $mark_all = false;
         $un_mark_all = false;
 
-        if (api_is_multiple_url_enabled()) {
-            if (isset($values['buttons_in_action_right']) &&
-                isset($values['buttons_in_action_right']['mark_all'])
-            ) {
-                $mark_all = true;
-            }
+        if (isset($values['buttons_in_action_right']) &&
+            isset($values['buttons_in_action_right']['mark_all'])
+        ) {
+            $mark_all = true;
+        }
 
-            if (isset($values['buttons_in_action_right']) &&
-                isset($values['buttons_in_action_right']['unmark_all'])
-            ) {
-                $un_mark_all = true;
-            }
+        if (isset($values['buttons_in_action_right']) &&
+            isset($values['buttons_in_action_right']['unmark_all'])
+        ) {
+            $un_mark_all = true;
         }
 
         if ($mark_all || $un_mark_all) {
diff --git a/public/main/admin/subscribe_user2course.php b/public/main/admin/subscribe_user2course.php
index 541e64c07e..272b6b4810 100644
--- a/public/main/admin/subscribe_user2course.php
+++ b/public/main/admin/subscribe_user2course.php
@@ -179,20 +179,11 @@ if ($use_extra_fields) {
         $final_result = $extra_field_result[0];
     }
 
-    if (api_is_multiple_url_enabled()) {
-        if (is_array($final_result) && count($final_result) > 0) {
-            $where_filter = " AND u.id IN  ('".implode("','", $final_result)."') ";
-        } else {
-            //no results
-            $where_filter = " AND u.id  = -1";
-        }
+    if (is_array($final_result) && count($final_result) > 0) {
+        $where_filter = " AND u.id IN  ('".implode("','", $final_result)."') ";
     } else {
-        if (is_array($final_result) && count($final_result) > 0) {
-            $where_filter = " AND id IN  ('".implode("','", $final_result)."') ";
-        } else {
-            //no results
-            $where_filter = " AND id  = -1";
-        }
+        //no results
+        $where_filter = " AND u.id  = -1";
     }
 }
 
@@ -205,51 +196,33 @@ if ('true' === $orderListByOfficialCode) {
     $orderBy = " official_code, lastname, firstname";
 }
 
-$sql = "SELECT id as user_id, lastname, firstname, username, official_code
-        FROM $tbl_user
-        WHERE id <>2 AND ".$target_name." LIKE '".$first_letter_user."%' $where_filter
-        ORDER BY ".(count($users) > 0 ? "(id IN(".implode(',', $users).")) DESC," : "")." ".$orderBy;
-
-if (api_is_multiple_url_enabled()) {
-    $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-    $access_url_id = api_get_current_access_url_id();
-    if (-1 != $access_url_id) {
-        $sql = "SELECT u.id as user_id,lastname,firstname,username, official_code
-                FROM $tbl_user u
-                INNER JOIN $tbl_user_rel_access_url user_rel_url
-                ON (user_rel_url.user_id = u.id)
-                WHERE
-                    u.id <> 2 AND
-                    access_url_id =  $access_url_id AND
-                    (".$target_name." LIKE '".$first_letter_user."%' )
-                    $where_filter
-                ORDER BY ".(count($users) > 0 ? "(u.id IN(".implode(',', $users).")) DESC," : "")." ".$orderBy;
-    }
-}
+$tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+$access_url_id = api_get_current_access_url_id();
+$sql = "SELECT u.id as user_id,lastname,firstname,username, official_code
+    FROM $tbl_user u
+    INNER JOIN $tbl_user_rel_access_url user_rel_url
+    ON (user_rel_url.user_id = u.id)
+    WHERE
+        u.id <> 2 AND
+        access_url_id =  $access_url_id AND
+        (".$target_name." LIKE '".$first_letter_user."%' )
+        $where_filter
+    ORDER BY ".(count($users) > 0 ? "(u.id IN(".implode(',', $users).")) DESC," : "")." ".$orderBy;
 
 $result = Database::query($sql);
 $db_users = Database::store_result($result);
 unset($result);
 
-$sql = "SELECT code,visual_code,title
-        FROM $tbl_course
-        WHERE visual_code LIKE '".$first_letter_course."%'
-        ORDER BY ".(count($courses) > 0 ? "(code IN('".implode("','", $courses)."')) DESC," : "")." visual_code";
-
-if (api_is_multiple_url_enabled()) {
-    $tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
-    $access_url_id = api_get_current_access_url_id();
-    if (-1 != $access_url_id) {
-        $sql = "SELECT code, visual_code, title
-                FROM $tbl_course as course
-                INNER JOIN $tbl_course_rel_access_url course_rel_url
-                ON (course_rel_url.c_id = course.id)
-                WHERE
-                    access_url_id =  $access_url_id  AND
-                    (visual_code LIKE '".$first_letter_course."%' )
-                ORDER BY ".(count($courses) > 0 ? "(code IN('".implode("','", $courses)."')) DESC," : "")." visual_code";
-    }
-}
+$tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
+$access_url_id = api_get_current_access_url_id();
+$sql = "SELECT code, visual_code, title
+    FROM $tbl_course as course
+    INNER JOIN $tbl_course_rel_access_url course_rel_url
+    ON (course_rel_url.c_id = course.id)
+    WHERE
+        access_url_id =  $access_url_id  AND
+        (visual_code LIKE '".$first_letter_course."%' )
+    ORDER BY ".(count($courses) > 0 ? "(code IN('".implode("','", $courses)."')) DESC," : "")." visual_code";
 
 $result = Database::query($sql);
 $db_courses = Database::store_result($result);
diff --git a/public/main/admin/user_export.php b/public/main/admin/user_export.php
index 583a996be2..a7cd371b1d 100644
--- a/public/main/admin/user_export.php
+++ b/public/main/admin/user_export.php
@@ -26,20 +26,15 @@ $coursesSessions = array_merge($coursesSessions, $allCoursesFromSessions);
 
 $courses = [];
 $courses[''] = '--';
-$sql = "SELECT code,visual_code,title FROM $course_table ORDER BY visual_code";
-
-if (api_is_multiple_url_enabled()) {
-    $tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
-    $access_url_id = api_get_current_access_url_id();
-    if (-1 != $access_url_id) {
-        $sql = "SELECT code,visual_code,title
-            FROM $course_table as c
-            INNER JOIN $tbl_course_rel_access_url as course_rel_url
-            ON (c.id = course_rel_url.c_id)
-            WHERE access_url_id = $access_url_id
-            ORDER BY visual_code";
-    }
-}
+
+$tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
+$access_url_id = api_get_current_access_url_id();
+$sql = "SELECT code,visual_code,title
+    FROM $course_table as c
+    INNER JOIN $tbl_course_rel_access_url as course_rel_url
+    ON (c.id = course_rel_url.c_id)
+    WHERE access_url_id = $access_url_id
+    ORDER BY visual_code";
 $result = Database::query($sql);
 while ($course = Database::fetch_object($result)) {
     $courses[$course->code] = $course->visual_code.' - '.$course->title;
@@ -114,19 +109,13 @@ if ($form->validate()) {
                     ORDER BY lastname,firstname";
         $filename = 'export_users_'.$courseSessionCode.'_'.$sessionInfo['name'].'_'.api_get_local_time();
     } else {
-        if (api_is_multiple_url_enabled()) {
-            $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-            $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                $sql .= " FROM $user_table u
-                          INNER JOIN $tbl_user_rel_access_url as user_rel_url
-                          ON (u.user_id= user_rel_url.user_id)
-                          WHERE access_url_id = $access_url_id
-                          ORDER BY lastname,firstname";
-            }
-        } else {
-            $sql .= " FROM $user_table u ORDER BY lastname,firstname";
-        }
+        $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+        $access_url_id = api_get_current_access_url_id();
+        $sql .= " FROM $user_table u
+            INNER JOIN $tbl_user_rel_access_url as user_rel_url
+            ON (u.user_id= user_rel_url.user_id)
+            WHERE access_url_id = $access_url_id
+            ORDER BY lastname,firstname";
         $filename = 'export_users_'.api_get_local_time();
     }
     $data = [];
diff --git a/public/main/admin/user_information.php b/public/main/admin/user_information.php
index 519372ac91..63eac93733 100644
--- a/public/main/admin/user_information.php
+++ b/public/main/admin/user_information.php
@@ -499,32 +499,30 @@ if (count($courseRelUserList) > 0) {
  * Show the URL in which this user is subscribed.
  */
 $urlInformation = '';
-if (api_is_multiple_url_enabled()) {
-    $urlList = UrlManager::get_access_url_from_user($userId);
-    if (count($urlList) > 0) {
-        $header = [];
-        $header[] = ['URL', true];
-        $data = [];
-        $csvContent[] = [];
-        $csvContent[] = ['Url'];
-        foreach ($urlList as $url) {
-            $row = [];
-            $row[] = Display::url($url['url'], $url['url']);
-            $csvContent[] = array_map('strip_tags', $row);
-            $data[] = $row;
-        }
-
-        $urlInformation = Display::page_subheader(get_lang('URL list'));
-        $urlInformation .= Display::return_sortable_table(
-            $header,
-            $data,
-            [],
-            [],
-            ['user_id' => $userId]
-        );
-    } else {
-        $urlInformation = '<p>'.get_lang('This user doesn\'t have a related URL.').'</p>';
+$urlList = UrlManager::get_access_url_from_user($userId);
+if (count($urlList) > 0) {
+    $header = [];
+    $header[] = ['URL', true];
+    $data = [];
+    $csvContent[] = [];
+    $csvContent[] = ['Url'];
+    foreach ($urlList as $url) {
+        $row = [];
+        $row[] = Display::url($url['url'], $url['url']);
+        $csvContent[] = array_map('strip_tags', $row);
+        $data[] = $row;
     }
+
+    $urlInformation = Display::page_subheader(get_lang('URL list'));
+    $urlInformation .= Display::return_sortable_table(
+        $header,
+        $data,
+        [],
+        [],
+        ['user_id' => $userId]
+    );
+} else {
+    $urlInformation = '<p>'.get_lang('This user doesn\'t have a related URL.').'</p>';
 }
 
 if (isset($_GET['action'])) {
diff --git a/public/main/inc/ajax/admin.ajax.php b/public/main/inc/ajax/admin.ajax.php
index 8399696e21..0ee0c65f9b 100644
--- a/public/main/inc/ajax/admin.ajax.php
+++ b/public/main/inc/ajax/admin.ajax.php
@@ -46,18 +46,13 @@ switch ($action) {
 
         /** @var Filesystem $fileSystem */
         $fileSystem = Container::$container->get('home_filesystem');
-        $dir = 'admin/';
 
-        if (api_is_multiple_url_enabled()) {
-            $accessUrlId = api_get_current_access_url_id();
+        $accessUrlId = api_get_current_access_url_id();
 
-            if (-1 != $accessUrlId) {
-                $urlInfo = api_get_access_url($accessUrlId);
-                $url = api_remove_trailing_slash(preg_replace('/https?:\/\//i', '', $urlInfo['url']));
-                $cleanUrl = str_replace('/', '-', $url);
-                $dir = "$cleanUrl/admin/";
-            }
-        }
+        $urlInfo = api_get_access_url($accessUrlId);
+        $url = api_remove_trailing_slash(preg_replace('/https?:\/\//i', '', $urlInfo['url']));
+        $cleanUrl = str_replace('/', '-', $url);
+        $dir = "$cleanUrl/admin/";
 
         $filePath = $dir.$blockName.'_extra.html';
 
diff --git a/public/main/inc/lib/CoursesAndSessionsCatalog.class.php b/public/main/inc/lib/CoursesAndSessionsCatalog.class.php
index ade533f683..0af8174831 100644
--- a/public/main/inc/lib/CoursesAndSessionsCatalog.class.php
+++ b/public/main/inc/lib/CoursesAndSessionsCatalog.class.php
@@ -158,10 +158,7 @@ class CoursesAndSessionsCatalog
 
     public static function getCourseCategoriesTree()
     {
-        $urlId = 1;
-        if (api_is_multiple_url_enabled()) {
-            $urlId = api_get_current_access_url_id();
-        }
+        $urlId = api_get_current_access_url_id();
 
         $countCourses = self::countAvailableCoursesToShowInCatalog($urlId);
         $categories = [];
@@ -254,49 +251,34 @@ class CoursesAndSessionsCatalog
         if (!empty($randomValue)) {
             $randomValue = (int) $randomValue;
 
-            $sql = "SELECT COUNT(*) FROM $tbl_course";
-            $result = Database::query($sql);
-            list($num_records) = Database::fetch_row($result);
+            $urlId = api_get_current_access_url_id();
+            $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
 
-            if (api_is_multiple_url_enabled()) {
-                $urlId = api_get_current_access_url_id();
-                $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
+            $urlCondition = ' access_url_id = '.$urlId.' ';
+            $allowBaseCategories = ('true' === api_get_setting('course.allow_base_course_category'));
+            if ($allowBaseCategories) {
+                $urlCondition = ' (access_url_id = '.$urlId.' OR access_url_id = 1)  ';
+            }
 
-                $urlCondition = ' access_url_id = '.$urlId.' ';
-                $allowBaseCategories = ('true' === api_get_setting('course.allow_base_course_category'));
-                if ($allowBaseCategories) {
-                    $urlCondition = ' (access_url_id = '.$urlId.' OR access_url_id = 1)  ';
-                }
+            $sql = "SELECT COUNT(*)
+                    FROM $tbl_course course
+                    INNER JOIN $tbl_url_rel_course as url_rel_course
+                    ON (url_rel_course.c_id = course.id)
+                    WHERE access_url_id = $urlId";
+            $result = Database::query($sql);
+            list($num_records) = Database::fetch_row($result);
 
-                $sql = "SELECT COUNT(*)
-                        FROM $tbl_course course
-                        INNER JOIN $tbl_url_rel_course as url_rel_course
-                        ON (url_rel_course.c_id = course.id)
-                        WHERE access_url_id = $urlId";
-                $result = Database::query($sql);
-                list($num_records) = Database::fetch_row($result);
-
-                $sql = "SELECT course.id, course.id as real_id
-                        FROM $tbl_course course
-                        INNER JOIN $tbl_url_rel_course as url_rel_course
-                        ON (url_rel_course.c_id = course.id)
-                        WHERE
-                            $urlCondition AND
-                            RAND()*$num_records< $randomValue
-                            $avoidCoursesCondition
-                            $visibilityCondition
-                        ORDER BY RAND()
-                        LIMIT 0, $randomValue";
-            } else {
-                $sql = "SELECT id, id as real_id
-                        FROM $tbl_course course
-                        WHERE
-                            RAND()*$num_records< $randomValue
-                            $avoidCoursesCondition
-                            $visibilityCondition
-                        ORDER BY RAND()
-                        LIMIT 0, $randomValue";
-            }
+            $sql = "SELECT course.id, course.id as real_id
+                    FROM $tbl_course course
+                    INNER JOIN $tbl_url_rel_course as url_rel_course
+                    ON (url_rel_course.c_id = course.id)
+                    WHERE
+                        $urlCondition AND
+                        RAND()*$num_records< $randomValue
+                        $avoidCoursesCondition
+                        $visibilityCondition
+                    ORDER BY RAND()
+                    LIMIT 0, $randomValue";
 
             $result = Database::query($sql);
             $id_in = null;
@@ -330,50 +312,31 @@ class CoursesAndSessionsCatalog
                 $conditionCode .= " category_code='$categoryCode' ";
             }
 
+            // Showing only the courses of the current Chamilo access_url_id
+            $urlId = api_get_current_access_url_id();
+            $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
+
+            $urlCondition = ' access_url_id = '.$urlId.' ';
             if (empty($categoryCode) || 'ALL' === $categoryCode) {
-                $sql = "SELECT *, id as real_id
-                        FROM $tbl_course course
-                        WHERE
-                          1=1
-                          $avoidCoursesCondition
-                          $visibilityCondition
-                    ORDER BY title $limitFilter ";
+                $sql = "SELECT *, course.id real_id
+                    FROM $tbl_course as course
+                    INNER JOIN $tbl_url_rel_course as url_rel_course
+                    ON (url_rel_course.c_id = course.id)
+                    WHERE
+                        $urlCondition AND
+                        $conditionCode
+                        $avoidCoursesCondition
+                        $visibilityCondition
+                    ORDER BY title $limitFilter";
             } else {
-                $sql = "SELECT *, id as real_id FROM $tbl_course course
-                        WHERE
-                            $conditionCode
-                            $avoidCoursesCondition
-                            $visibilityCondition
-                        ORDER BY title $limitFilter ";
-            }
-
-            // Showing only the courses of the current Chamilo access_url_id
-            if (api_is_multiple_url_enabled()) {
-                $urlId = api_get_current_access_url_id();
-                $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
-
-                $urlCondition = ' access_url_id = '.$urlId.' ';
-                if ('ALL' !== $categoryCode) {
-                    $sql = "SELECT *, course.id real_id
-                            FROM $tbl_course as course
-                            INNER JOIN $tbl_url_rel_course as url_rel_course
-                            ON (url_rel_course.c_id = course.id)
-                            WHERE
-                                $urlCondition AND
-                                $conditionCode
-                                $avoidCoursesCondition
-                                $visibilityCondition
-                            ORDER BY title $limitFilter";
-                } else {
-                    $sql = "SELECT *, course.id real_id FROM $tbl_course as course
-                            INNER JOIN $tbl_url_rel_course as url_rel_course
-                            ON (url_rel_course.c_id = course.id)
-                            WHERE
-                                $urlCondition
-                                $avoidCoursesCondition
-                                $visibilityCondition
-                            ORDER BY title $limitFilter";
-                }
+                $sql = "SELECT *, course.id real_id FROM $tbl_course as course
+                    INNER JOIN $tbl_url_rel_course as url_rel_course
+                    ON (url_rel_course.c_id = course.id)
+                    WHERE
+                        $urlCondition
+                        $avoidCoursesCondition
+                        $visibilityCondition
+                    ORDER BY title $limitFilter";
             }
         }
 
@@ -457,57 +420,35 @@ class CoursesAndSessionsCatalog
             $categoryFilter = ' AND category_code = "'.$categoryCode.'" ';
         }
 
-        //$sql = "SELECT DISTINCT course.*, $injectExtraFields
-        $sql = "SELECT DISTINCT(course.id)
-                FROM $courseTable course
-                $sqlInjectJoins
-                WHERE (
-                        course.code LIKE '%".$keyword."%' OR
-                        course.title LIKE '%".$keyword."%' OR
-                        course.tutor_name LIKE '%".$keyword."%'
-                    )
-                    $where
-                    $categoryFilter
-                    $sqlInjectWhere
-                    $avoidCoursesCondition
-                    $visibilityCondition
-                ORDER BY title, visual_code ASC
-                $limitFilter
-                ";
-
-        if (api_is_multiple_url_enabled()) {
-            $urlId = api_get_current_access_url_id();
-            if (-1 != $urlId) {
-                $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
-                $urlCondition = ' access_url_id = '.$urlId.' AND';
-                $allowBaseCategories = ('true' === api_get_setting('course.allow_base_course_category'));
-                if ($allowBaseCategories) {
-                    $urlCondition = ' (access_url_id = '.$urlId.' OR access_url_id = 1) AND ';
-                }
-
-                $sql = "SELECT DISTINCT(course.id)
-                        FROM $courseTable as course
-                        INNER JOIN $tbl_url_rel_course as url_rel_course
-                        ON (url_rel_course.c_id = course.id)
-                        $sqlInjectJoins
-                        WHERE
-                            access_url_id = $urlId AND
-                            (
-                                code LIKE '%".$keyword."%' OR
-                                title LIKE '%".$keyword."%' OR
-                                tutor_name LIKE '%".$keyword."%'
-                            )
-                            $where
-                            $categoryFilter
-                            $sqlInjectWhere
-                            $avoidCoursesCondition
-                            $visibilityCondition
-                        ORDER BY title, visual_code ASC
-                        $limitFilter
-                       ";
-            }
+        $urlId = api_get_current_access_url_id();
+        $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
+        $urlCondition = ' access_url_id = '.$urlId.' AND';
+        $allowBaseCategories = ('true' === api_get_setting('course.allow_base_course_category'));
+        if ($allowBaseCategories) {
+            $urlCondition = ' (access_url_id = '.$urlId.' OR access_url_id = 1) AND ';
         }
 
+        $sql = "SELECT DISTINCT(course.id)
+            FROM $courseTable as course
+            INNER JOIN $tbl_url_rel_course as url_rel_course
+            ON (url_rel_course.c_id = course.id)
+            $sqlInjectJoins
+            WHERE
+                access_url_id = $urlId AND
+                (
+                    code LIKE '%".$keyword."%' OR
+                    title LIKE '%".$keyword."%' OR
+                    tutor_name LIKE '%".$keyword."%'
+                )
+                $where
+                $categoryFilter
+                $sqlInjectWhere
+                $avoidCoursesCondition
+                $visibilityCondition
+            ORDER BY title, visual_code ASC
+            $limitFilter
+           ";
+
         $result = Database::query($sql);
         $courses = [];
         while ($row = Database::fetch_array($result)) {
diff --git a/public/main/inc/lib/api.lib.php b/public/main/inc/lib/api.lib.php
index 29f3fccaa7..bd3d3711d9 100644
--- a/public/main/inc/lib/api.lib.php
+++ b/public/main/inc/lib/api.lib.php
@@ -11,6 +11,7 @@ use Chamilo\CoreBundle\Entity\User;
 use Chamilo\CoreBundle\Entity\UserCourseCategory;
 use Chamilo\CoreBundle\Exception\NotAllowedException;
 use Chamilo\CoreBundle\Framework\Container;
+use Chamilo\CoreBundle\ServiceHelper\AccessUrlHelper;
 use Chamilo\CoreBundle\ServiceHelper\MailHelper;
 use Chamilo\CoreBundle\ServiceHelper\PermissionServiceHelper;
 use Chamilo\CoreBundle\ServiceHelper\ThemeHelper;
@@ -5099,39 +5100,10 @@ function api_request_uri()
  * @return int access_url_id of the current Chamilo Installation
  *
  * @author Julio Montoya <gugli100@gmail.com>
- * @throws Exception
  */
 function api_get_current_access_url_id(): int
 {
-    if (false === api_get_multiple_access_url()) {
-        return 1;
-    }
-
-    static $id;
-    if (!empty($id)) {
-        return $id;
-    }
-
-    $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL);
-    $path = Database::escape_string(api_get_path(WEB_PATH));
-    $sql = "SELECT id FROM $table WHERE url = '".$path."'";
-    $result = Database::query($sql);
-    if (Database::num_rows($result) > 0) {
-        $id = Database::result($result, 0, 0);
-        if (false === $id) {
-            return -1;
-        }
-
-        return (int) $id;
-    }
-
-    $id = 1;
-
-    //if the url in WEB_PATH was not found, it can only mean that there is
-    // either a configuration problem or the first URL has not been defined yet
-    // (by default it is http://localhost/). Thus the more sensible thing we can
-    // do is return 1 (the main URL) as the user cannot hack this value anyway
-    return 1;
+    return Container::$container->get(AccessUrlHelper::class)->getCurrent()->getId();
 }
 
 /**
@@ -5987,11 +5959,6 @@ function api_get_multiple_access_url(): bool
     return $accessUrlEnabled;
 }
 
-function api_is_multiple_url_enabled(): bool
-{
-    return api_get_multiple_access_url();
-}
-
 /**
  * Returns a md5 unique id.
  *
diff --git a/public/main/inc/lib/course.lib.php b/public/main/inc/lib/course.lib.php
index b1342835cb..28edc2b121 100644
--- a/public/main/inc/lib/course.lib.php
+++ b/public/main/inc/lib/course.lib.php
@@ -2386,15 +2386,9 @@ class CourseManager
             return false;
         }
 
-        $count = 0;
-        if (api_is_multiple_url_enabled()) {
-            $url_id = 1;
-            if (-1 != api_get_current_access_url_id()) {
-                $url_id = api_get_current_access_url_id();
-            }
-            UrlManager::delete_url_rel_course($courseId, $url_id);
-            $count = UrlManager::getCountUrlRelCourse($courseId);
-        }
+        $url_id = api_get_current_access_url_id();
+        UrlManager::delete_url_rel_course($courseId, $url_id);
+        $count = UrlManager::getCountUrlRelCourse($courseId);
 
         if (0 === $count) {
             // Cleaning group categories
@@ -3246,18 +3240,13 @@ class CourseManager
         $affected_rows = 0;
 
         //Deleting assigned courses to hrm_id
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT s.c_id FROM $tbl_course_rel_user s
-                    INNER JOIN $tbl_course_rel_access_url a
-                    ON (a.c_id = s.c_id)
-                    WHERE
-                        user_id = $hr_manager_id AND
-                        relation_type = ".COURSE_RELATION_TYPE_RRHH." AND
-                        access_url_id = ".api_get_current_access_url_id();
-        } else {
-            $sql = "SELECT c_id FROM $tbl_course_rel_user
-                    WHERE user_id = $hr_manager_id AND relation_type = ".COURSE_RELATION_TYPE_RRHH;
-        }
+        $sql = "SELECT s.c_id FROM $tbl_course_rel_user s
+            INNER JOIN $tbl_course_rel_access_url a
+            ON (a.c_id = s.c_id)
+            WHERE
+                user_id = $hr_manager_id AND
+                relation_type = ".COURSE_RELATION_TYPE_RRHH." AND
+                access_url_id = ".api_get_current_access_url_id();
         $result = Database::query($sql);
         if (Database::num_rows($result) > 0) {
             while ($row = Database::fetch_array($result)) {
@@ -5966,30 +5955,18 @@ class CourseManager
             return [];
         }
 
-        $sql = "SELECT DISTINCT(c.id), c.title
-                FROM $courseTable c
-                INNER JOIN $courseUserTable cru ON c.id = cru.c_id
-                WHERE (
-                    cru.user_id IN (".implode(', ', $userIdList).")
-                    AND cru.relation_type = 0
-                )";
-
-        if (api_is_multiple_url_enabled()) {
-            $courseAccessUrlTable = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
-            $accessUrlId = api_get_current_access_url_id();
+        $courseAccessUrlTable = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
+        $accessUrlId = api_get_current_access_url_id();
 
-            if (-1 != $accessUrlId) {
-                $sql = "SELECT DISTINCT(c.id), c.title
-                        FROM $courseTable c
-                        INNER JOIN $courseUserTable cru ON c.id = cru.c_id
-                        INNER JOIN $courseAccessUrlTable crau ON c.id = crau.c_id
-                        WHERE crau.access_url_id = $accessUrlId
-                            AND (
-                            cru.id_user IN (".implode(', ', $userIdList).") AND
-                            cru.relation_type = 0
-                        )";
-            }
-        }
+        $sql = "SELECT DISTINCT(c.id), c.title
+            FROM $courseTable c
+            INNER JOIN $courseUserTable cru ON c.id = cru.c_id
+            INNER JOIN $courseAccessUrlTable crau ON c.id = crau.c_id
+            WHERE crau.access_url_id = $accessUrlId
+                AND (
+                cru.id_user IN (".implode(', ', $userIdList).") AND
+                cru.relation_type = 0
+            )";
 
         $result = Database::query($sql);
         while ($row = Database::fetch_assoc($result)) {
diff --git a/public/main/inc/lib/login.lib.php b/public/main/inc/lib/login.lib.php
index 3e8a417a6d..2df4918aa2 100644
--- a/public/main/inc/lib/login.lib.php
+++ b/public/main/inc/lib/login.lib.php
@@ -25,15 +25,9 @@ class Login
      */
     public static function get_user_account_list($user, $reset = false, $by_username = false)
     {
-        $portal_url = api_get_path(WEB_PATH);
-
-        if (api_is_multiple_url_enabled()) {
-            $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                $url = api_get_access_url($access_url_id);
-                $portal_url = $url['url'];
-            }
-        }
+        $access_url_id = api_get_current_access_url_id();
+        $url = api_get_access_url($access_url_id);
+        $portal_url = $url['url'];
 
         if ($reset) {
             if ($by_username) {
@@ -104,14 +98,9 @@ class Login
             $email_to = $user[0]['email'];
         }
 
-        $portal_url = api_get_path(WEB_PATH);
-        if (api_is_multiple_url_enabled()) {
-            $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                $url = api_get_access_url($access_url_id);
-                $portal_url = $url['url'];
-            }
-        }
+        $access_url_id = api_get_current_access_url_id();
+        $url = api_get_access_url($access_url_id);
+        $portal_url = $url['url'];
 
         $email_body = get_lang('This is your information to connect to')." ".$portal_url."\n\n$user_account_list";
         // SEND MESSAGE
diff --git a/public/main/inc/lib/myspace.lib.php b/public/main/inc/lib/myspace.lib.php
index fc9e388d99..4a71195530 100644
--- a/public/main/inc/lib/myspace.lib.php
+++ b/public/main/inc/lib/myspace.lib.php
@@ -510,40 +510,25 @@ class MySpace
         $tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
         $tblSessionRelUser = Database::get_main_table(TABLE_MAIN_SESSION_USER);
 
-        $sqlCoachs = "SELECT DISTINCT
-                        scu.user_id as id_coach,
-                        u.id as user_id,
-                        lastname,
-                        firstname,
-                        MAX(login_date) as login_date
-                        FROM $tbl_user u, $tbl_session_course_user scu, $tbl_track_login
-                        WHERE
-                            u.active <> ".USER_SOFT_DELETED." AND scu.user_id = u.id AND scu.status=".SessionEntity::COURSE_COACH." AND login_user_id=u.id
-                        GROUP BY user_id ";
-
-        if (api_is_multiple_url_enabled()) {
-            $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
+        $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
             $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                $sqlCoachs = "SELECT DISTINCT
-                                    scu.user_id as id_coach,
-                                    u.id as user_id,
-                                    lastname,
-                                    firstname,
-                                    MAX(login_date) as login_date
-                                FROM $tbl_user u,
-                                $tbl_session_course_user scu,
-                                $tbl_track_login ,
-                                $tbl_session_rel_access_url session_rel_url
-                                WHERE
-                                    scu.user_id = u.id AND
-                                    scu.status = ".SessionEntity::COURSE_COACH." AND
-                                    login_user_id = u.id AND
-                                    access_url_id = $access_url_id AND
-                                    session_rel_url.session_id = scu.session_id
-                                GROUP BY u.id";
-            }
-        }
+            $sqlCoachs = "SELECT DISTINCT
+                    scu.user_id as id_coach,
+                    u.id as user_id,
+                    lastname,
+                    firstname,
+                    MAX(login_date) as login_date
+                FROM $tbl_user u,
+                $tbl_session_course_user scu,
+                $tbl_track_login ,
+                $tbl_session_rel_access_url session_rel_url
+                WHERE
+                    scu.user_id = u.id AND
+                    scu.status = ".SessionEntity::COURSE_COACH." AND
+                    login_user_id = u.id AND
+                    access_url_id = $access_url_id AND
+                    session_rel_url.session_id = scu.session_id
+                GROUP BY u.id";
         if (!empty($order[$tracking_column])) {
             $sqlCoachs .= " ORDER BY `".$order[$tracking_column]."` ".$tracking_direction;
         }
@@ -554,32 +539,19 @@ class MySpace
             $global_coaches[$coach['user_id']] = $coach;
         }
 
+        $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
+        $access_url_id = api_get_current_access_url_id();
         $sql_session_coach = "SELECT u.id AS user_id, u.lastname, u.firstname, MAX(tel.login_date) AS login_date
-                                FROM $tbl_user u
-                                INNER JOIN $tbl_track_login tel
-                                ON tel.login_user_id = u.id
-                                INNER JOIN $tblSessionRelUser sru
-                                ON (u.id = sru.user_id AND sru.relation_type = ".SessionEntity::GENERAL_COACH.")
-                                GROUP BY u.id
-                                ORDER BY login_date $tracking_direction";
-
-        if (api_is_multiple_url_enabled()) {
-            $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
-            $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                $sql_session_coach = "SELECT u.id AS user_id, u.lastname, u.firstname, MAX(tel.login_date) AS login_date
-                    FROM $tbl_user u
-                    INNER JOIN $tbl_track_login  tel
-                    ON tel.login_user_id = u.id
-                    INNER JOIN $tblSessionRelUser sru
-                    ON (u.id = sru.user_id AND sru.relation_type = ".SessionEntity::GENERAL_COACH.")
-                    INNER JOIN $tbl_session_rel_access_url aurs
-                    ON sru.session_id = aurs.session_id
-                    WHERE aurs.access_url_id = $access_url_id
-                    GROUP BY u.id
-					ORDER BY login_date $tracking_direction";
-            }
-        }
+            FROM $tbl_user u
+            INNER JOIN $tbl_track_login  tel
+            ON tel.login_user_id = u.id
+            INNER JOIN $tblSessionRelUser sru
+            ON (u.id = sru.user_id AND sru.relation_type = ".SessionEntity::GENERAL_COACH.")
+            INNER JOIN $tbl_session_rel_access_url aurs
+            ON sru.session_id = aurs.session_id
+            WHERE aurs.access_url_id = $access_url_id
+            GROUP BY u.id
+            ORDER BY login_date $tracking_direction";
 
         $result_sessions_coach = Database::query($sql_session_coach);
         //$total_no_coaches += Database::num_rows($result_sessions_coach);
diff --git a/public/main/inc/lib/online.inc.php b/public/main/inc/lib/online.inc.php
index 77a9028020..b5565228ad 100644
--- a/public/main/inc/lib/online.inc.php
+++ b/public/main/inc/lib/online.inc.php
@@ -474,14 +474,10 @@ function who_is_online_in_this_course($from, $number_of_items, $uid, $time_limit
     $from = (int) $from;
     $number_of_items = (int) $number_of_items;
 
-    $urlCondition = '';
-    $urlJoin = '';
-    if (api_is_multiple_url_enabled()) {
-        $accessUrlUser = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-        $urlId = api_get_current_access_url_id();
-        $urlJoin = " INNER JOIN $accessUrlUser a ON (a.user_id = u.id) ";
-        $urlCondition = " AND a.access_url_id = $urlId ";
-    }
+    $accessUrlUser = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+    $urlId = api_get_current_access_url_id();
+    $urlJoin = " INNER JOIN $accessUrlUser a ON (a.user_id = u.id) ";
+    $urlCondition = " AND a.access_url_id = $urlId ";
 
     $query = "SELECT o.login_user_id, o.login_date
               FROM $track_online_table o
@@ -532,14 +528,10 @@ function who_is_online_in_this_course_count(
         return false;
     }
 
-    $urlCondition = '';
-    $urlJoin = '';
-    if (api_is_multiple_url_enabled()) {
-        $accessUrlUser = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-        $urlId = api_get_current_access_url_id();
-        $urlJoin = " INNER JOIN $accessUrlUser a ON (a.user_id = u.id) ";
-        $urlCondition = " AND a.access_url_id = $urlId ";
-    }
+    $accessUrlUser = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+    $urlId = api_get_current_access_url_id();
+    $urlJoin = " INNER JOIN $accessUrlUser a ON (a.user_id = u.id) ";
+    $urlCondition = " AND a.access_url_id = $urlId ";
 
     $query = "SELECT count(login_user_id) as count
               FROM $track_online_table o
@@ -582,14 +574,10 @@ function whoIsOnlineInThisSessionCount($timeLimit, $sessionId)
     $online_time = time() - $timeLimit * 60;
     $current_date = api_get_utc_datetime($online_time);
 
-    $urlCondition = '';
-    $urlJoin = '';
-    if (api_is_multiple_url_enabled()) {
-        $accessUrlUser = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-        $urlId = api_get_current_access_url_id();
-        $urlJoin = " INNER JOIN $accessUrlUser a ON (a.user_id = u.id) ";
-        $urlCondition = " AND a.access_url_id = $urlId ";
-    }
+    $accessUrlUser = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+    $urlId = api_get_current_access_url_id();
+    $urlJoin = " INNER JOIN $accessUrlUser a ON (a.user_id = u.id) ";
+    $urlCondition = " AND a.access_url_id = $urlId ";
 
     $query = "SELECT count(login_user_id) as count
               FROM $tblTrackOnline o
diff --git a/public/main/inc/lib/redirect.class.php b/public/main/inc/lib/redirect.class.php
index a8672bba2a..c90fdf7128 100644
--- a/public/main/inc/lib/redirect.class.php
+++ b/public/main/inc/lib/redirect.class.php
@@ -116,18 +116,11 @@ class Redirect
             $redirect = api_get_setting('redirect_admin_to_courses_list');
             if ('true' !== $redirect) {
                 // If the user is a platform admin, redirect to the main admin page
-                if (api_is_multiple_url_enabled()) {
-                    // if multiple URLs are enabled, make sure he's admin of the
-                    // current URL before redirecting
-                    $url = api_get_current_access_url_id();
-                    if (api_is_platform_admin_by_id($userId, $url)) {
-                        self::navigate(api_get_path(WEB_CODE_PATH).'admin/index.php');
-                    }
-                } else {
-                    // if no multiple URL, then it's enough to be platform admin
-                    if (api_is_platform_admin_by_id($userId)) {
-                        self::navigate(api_get_path(WEB_CODE_PATH).'admin/index.php');
-                    }
+                // if multiple URLs are enabled, make sure he's admin of the
+                // current URL before redirecting
+                $url = api_get_current_access_url_id();
+                if (api_is_platform_admin_by_id($userId, $url)) {
+                    self::navigate(api_get_path(WEB_CODE_PATH).'admin/index.php');
                 }
             }
             $page_after_login = api_get_setting('page_after_login');
diff --git a/public/main/inc/lib/sessionmanager.lib.php b/public/main/inc/lib/sessionmanager.lib.php
index 3ead735090..ac55234692 100644
--- a/public/main/inc/lib/sessionmanager.lib.php
+++ b/public/main/inc/lib/sessionmanager.lib.php
@@ -163,13 +163,10 @@ class SessionManager
         global $_configuration;
 
         // Check portal limits
-        $accessUrlId = api_is_multiple_url_enabled()
-            ? (empty($accessUrlId) ? api_get_current_access_url_id() : (int) $accessUrlId)
-            : 1;
+        $accessUrlId = empty($accessUrlId) ? api_get_current_access_url_id() : (int) $accessUrlId;
 
-        if (isset($_configuration[$accessUrlId]) &&
+        if (isset($_configuration[$accessUrlId]['hosting_limit_sessions']) &&
             is_array($_configuration[$accessUrlId]) &&
-            isset($_configuration[$accessUrlId]['hosting_limit_sessions']) &&
             $_configuration[$accessUrlId]['hosting_limit_sessions'] > 0
         ) {
             $num = self::count_sessions();
@@ -395,50 +392,28 @@ class SessionManager
                                 ";
         }
 
-        $sql = "SELECT COUNT(id) as total_rows FROM (
-                SELECT DISTINCT
-                 IF (
-					(s.access_start_date <= '$today' AND '$today' <= s.access_end_date) OR
-                    (s.access_start_date IS NULL AND s.access_end_date IS NULL ) OR
-					(s.access_start_date <= '$today' AND s.access_end_date IS NULL) OR
-					('$today' <= s.access_end_date AND s.access_start_date IS NULL)
-				, 1, 0) as session_active,
-                s.id
-                FROM $tbl_session s
-                LEFT JOIN $tbl_session_category sc
-                ON s.session_category_id = sc.id
-                INNER JOIN $tbl_user u
-                ON s.id_coach = u.id
-                $courseCondition
-                $extraJoin
-                $where $where_condition ) as session_table";
-
-        if (api_is_multiple_url_enabled()) {
-            $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                $where .= " AND ar.access_url_id = $access_url_id ";
+        $access_url_id = api_get_current_access_url_id();
+        $where .= " AND ar.access_url_id = $access_url_id ";
 
-                $sql = "SELECT count(id) as total_rows FROM (
-                SELECT DISTINCT
-                  IF (
-					(s.access_start_date <= '$today' AND '$today' <= s.access_end_date) OR
+        $sql = "SELECT count(id) as total_rows FROM (
+            SELECT DISTINCT
+                IF (
+                    (s.access_start_date <= '$today' AND '$today' <= s.access_end_date) OR
                     (s.access_start_date IS NULL AND s.access_end_date IS NULL) OR
-					(s.access_start_date <= '$today' AND s.access_end_date IS NULL) OR
-					('$today' <= s.access_end_date AND s.access_start_date IS NULL)
-				, 1, 0)
-				as session_active,
-				s.id
-                FROM $tbl_session s
-                    LEFT JOIN  $tbl_session_category sc
-                    ON s.session_category_id = sc.id
-                    INNER JOIN $tbl_user u ON s.id_coach = u.id
-                    INNER JOIN $table_access_url_rel_session ar
-                    ON ar.session_id = s.id
-                    $courseCondition
-                    $extraJoin
-                $where $where_condition) as session_table";
-            }
-        }
+                    (s.access_start_date <= '$today' AND s.access_end_date IS NULL) OR
+                    ('$today' <= s.access_end_date AND s.access_start_date IS NULL)
+                , 1, 0)
+                as session_active,
+                s.id
+            FROM $tbl_session s
+            LEFT JOIN  $tbl_session_category sc
+            ON s.session_category_id = sc.id
+            INNER JOIN $tbl_user u ON s.id_coach = u.id
+            INNER JOIN $table_access_url_rel_session ar
+            ON ar.session_id = s.id
+            $courseCondition
+            $extraJoin
+            $where $where_condition) as session_table";
 
         $sql .= !str_contains($sql, 'WHERE') ? ' WHERE u.active <> '.USER_SOFT_DELETED : ' AND u.active <> '.USER_SOFT_DELETED;
 
@@ -604,20 +579,14 @@ class SessionManager
             $injectExtraFields = rtrim(trim($injectExtraFields), ',');
             $query .= ", $injectExtraFields";
         }
-        $query .= " FROM $tblSession s $sqlInjectJoins $where $sqlInjectWhere";
 
-        if (api_is_multiple_url_enabled()) {
-            $tblAccessUrlRelSession = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
-            $accessUrlId = api_get_current_access_url_id();
+        $tblAccessUrlRelSession = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
+        $accessUrlId = api_get_current_access_url_id();
 
-            if (-1 != $accessUrlId) {
-                $where .= " AND ar.access_url_id = $accessUrlId ";
-                $query = "$select
-                    FROM $tblSession s $sqlInjectJoins
-                    INNER JOIN $tblAccessUrlRelSession ar
-                    ON (ar.session_id = s.id) $where";
-            }
-        }
+        $where .= " AND ar.access_url_id = $accessUrlId ";
+        $query .= " FROM $tblSession s $sqlInjectJoins
+            INNER JOIN $tblAccessUrlRelSession ar
+            ON (ar.session_id = s.id) $where $sqlInjectWhere ";
 
         $date = api_get_utc_datetime();
 
@@ -3688,20 +3657,14 @@ class SessionManager
         $affected_rows = 0;
         // Deleting assigned sessions to hrm_id.
         if ($removeSessionsFromUser) {
-            if (api_is_multiple_url_enabled()) {
-                $sql = "SELECT s.session_id
-                        FROM $tbl_session_rel_user s
-                        INNER JOIN $tbl_session_rel_access_url a
-                        ON (a.session_id = s.session_id)
-                        WHERE
-                            s.user_id = $userId AND
-                            relation_type = ".Session::DRH." AND
-                            access_url_id = ".api_get_current_access_url_id();
-            } else {
-                $sql = "SELECT s.session_id
-                        FROM $tbl_session_rel_user s
-                        WHERE user_id = $userId AND relation_type=".Session::DRH;
-            }
+            $sql = "SELECT s.session_id
+                FROM $tbl_session_rel_user s
+                INNER JOIN $tbl_session_rel_access_url a
+                ON (a.session_id = s.session_id)
+                WHERE
+                    s.user_id = $userId AND
+                    relation_type = ".Session::DRH." AND
+                    access_url_id = ".api_get_current_access_url_id();
             $result = Database::query($sql);
 
             if (Database::num_rows($result) > 0) {
@@ -3769,27 +3732,15 @@ class SessionManager
         $userId = (int) $userId;
         $sessionId = (int) $sessionId;
 
-        $select = " SELECT * ";
-        if (api_is_multiple_url_enabled()) {
-            $sql = " $select FROM $tbl_session s
-                    INNER JOIN $tbl_session_rel_user sru ON (sru.session_id = s.id)
-                    LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
-                    WHERE
-                        sru.user_id = '$userId' AND
-                        sru.session_id = '$sessionId' AND
-                        sru.relation_type = '".Session::DRH."' AND
-                        access_url_id = ".api_get_current_access_url_id()."
-                    ";
-        } else {
-            $sql = "$select FROM $tbl_session s
-                     INNER JOIN $tbl_session_rel_user sru
-                     ON
-                        sru.session_id = s.id AND
-                        sru.user_id = '$userId' AND
-                        sru.session_id = '$sessionId' AND
-                        sru.relation_type = '".Session::DRH."'
-                    ";
-        }
+        $sql = "  SELECT * FROM $tbl_session s
+            INNER JOIN $tbl_session_rel_user sru ON (sru.session_id = s.id)
+            LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
+            WHERE
+                sru.user_id = '$userId' AND
+                sru.session_id = '$sessionId' AND
+                sru.relation_type = '".Session::DRH."' AND
+                access_url_id = ".api_get_current_access_url_id()."
+            ";
 
         $result = Database::query($sql);
         if (Database::num_rows($result)) {
@@ -4399,16 +4350,12 @@ class SessionManager
             $whereConditions = "sru.user_id = $user_id AND sru.relation_type = ".Session::GENERAL_COACH;
         }
 
-        if (api_is_multiple_url_enabled()) {
-            $tblSessionRelAccessUrl = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
-            $access_url_id = api_get_current_access_url_id();
+        $tblSessionRelAccessUrl = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
+        $access_url_id = api_get_current_access_url_id();
 
-            if (-1 != $access_url_id) {
-                $innerJoin .= " INNER JOIN $tblSessionRelAccessUrl session_rel_url
-                    ON (s.id = access_url_rel_session.session_id)";
-                $whereConditions .= " AND access_url_rel_session.access_url_id = $access_url_id";
-            }
-        }
+        $innerJoin .= " INNER JOIN $tblSessionRelAccessUrl session_rel_url
+            ON (s.id = access_url_rel_session.session_id)";
+        $whereConditions .= " AND access_url_rel_session.access_url_id = $access_url_id";
         $sql = "SELECT s.* FROM $sessionTable AS s $innerJoin ";
         if (!empty($whereConditions)) {
             $sql .= "WHERE $whereConditions ";
@@ -7810,33 +7757,20 @@ class SessionManager
             return [];
         }
 
+        $sessionAccessUrlTable = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
+        $accessUrlId = api_get_current_access_url_id();
+
         $sql = "SELECT DISTINCT s.*
-                FROM $sessionTable s
-                INNER JOIN $sessionUserTable sru
-                ON s.id = sru.id_session
-                WHERE
-                    (sru.id_user IN (".implode(', ', $userIdList).")
+            FROM $sessionTable s
+            INNER JOIN $sessionUserTable sru ON s.id = sru.id_session
+            INNER JOIN $sessionAccessUrlTable srau ON s.id = srau.session_id
+            WHERE
+                srau.access_url_id = $accessUrlId
+                AND (
+                    sru.id_user IN (".implode(', ', $userIdList).")
                     AND sru.relation_type = ".Session::STUDENT."
                 )";
 
-        if (api_is_multiple_url_enabled()) {
-            $sessionAccessUrlTable = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
-            $accessUrlId = api_get_current_access_url_id();
-
-            if (-1 != $accessUrlId) {
-                $sql = "SELECT DISTINCT s.*
-                        FROM $sessionTable s
-                        INNER JOIN $sessionUserTable sru ON s.id = sru.id_session
-                        INNER JOIN $sessionAccessUrlTable srau ON s.id = srau.session_id
-                        WHERE
-                            srau.access_url_id = $accessUrlId
-                            AND (
-                                sru.id_user IN (".implode(', ', $userIdList).")
-                                AND sru.relation_type = ".Session::STUDENT."
-                            )";
-            }
-        }
-
         $result = Database::query($sql);
         while ($row = Database::fetch_assoc($result)) {
             $sessionList[] = $row;
@@ -7943,26 +7877,17 @@ class SessionManager
                 $orderClause = 'ORDER BY ';
                 $orderClause .= api_sort_by_first_name() ? 'firstname, lastname, username' : 'lastname, firstname, username';
 
-                $sql = "SELECT id as user_id, lastname, firstname, username
-                        FROM $tbl_user
-                        WHERE active <> -1 AND status = '1' ".
-                        $orderClause;
-
-                if (api_is_multiple_url_enabled()) {
-                    $userRelAccessUrlTable = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-                    $accessUrlId = api_get_current_access_url_id();
-                    if (-1 != $accessUrlId) {
-                        $sql = "SELECT user.id as user_id, username, lastname, firstname
-                        FROM $tbl_user user
-                        INNER JOIN $userRelAccessUrlTable url_user
-                        ON (url_user.user_id = user.id)
-                        WHERE
-                            user.active <> -1 AND
-                            access_url_id = $accessUrlId AND
-                            status = 1 "
-                            .$orderClause;
-                    }
-                }
+                $userRelAccessUrlTable = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+                $accessUrlId = api_get_current_access_url_id();
+                $sql = "SELECT user.id as user_id, username, lastname, firstname
+                FROM $tbl_user user
+                INNER JOIN $userRelAccessUrlTable url_user
+                ON (url_user.user_id = user.id)
+                WHERE
+                    user.active <> -1 AND
+                    access_url_id = $accessUrlId AND
+                    status = 1 "
+                    .$orderClause;
 
                 $result = Database::query($sql);
                 $coachesList = Database::store_result($result);
@@ -8350,43 +8275,31 @@ class SessionManager
         }
 
         $today = api_get_utc_datetime();
-        $query_rows = "SELECT count(*) as total_rows, c.title as course_title, s.title,
-                        IF (
-                            (s.access_start_date <= '$today' AND '$today' < s.access_end_date) OR
-                            (s.access_start_date = '0000-00-00 00:00:00' AND s.access_end_date = '0000-00-00 00:00:00' ) OR
-                            (s.access_start_date IS NULL AND s.access_end_date IS NULL) OR
-                            (s.access_start_date <= '$today' AND ('0000-00-00 00:00:00' = s.access_end_date OR s.access_end_date IS NULL )) OR
-                            ('$today' < s.access_end_date AND ('0000-00-00 00:00:00' = s.access_start_date OR s.access_start_date IS NULL) )
-                        , 1, 0) as session_active
-                       FROM $extraFieldTables $tbl_session s
-                       LEFT JOIN  $tbl_session_category sc
-                       ON s.session_category_id = sc.id
-                       INNER JOIN $tblSessionRelUser sru
-                       ON s.id = sru.session_id
-                       INNER JOIN $tbl_user u
-                       ON sru.user_id = u.id
-                       INNER JOIN $sessionCourseUserTable scu
-                       ON s.id = scu.session_id
-                       INNER JOIN $courseTable c
-                       ON c.id = scu.c_id
-                       $where ";
-
-        if (api_is_multiple_url_enabled()) {
-            $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
+
+        $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
             $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                $where .= " AND ar.access_url_id = $access_url_id ";
-                $query_rows = "SELECT count(*) as total_rows
-                               FROM $tbl_session s
-                               LEFT JOIN  $tbl_session_category sc
-                               ON s.session_category_id = sc.id
-                               INNER JOIN $tblSessionRelUser sru ON s.id = sru.session_id
-                               INNER JOIN $tbl_user u
-                               ON sru.user_id = u.id
-                               INNER JOIN $table_access_url_rel_session ar
-                               ON ar.session_id = s.id $where ";
-            }
-        }
+            $where .= " AND ar.access_url_id = $access_url_id ";
+            $query_rows = "SELECT count(*) as total_rows, c.title as course_title, s.title,
+                    IF (
+                        (s.access_start_date <= '$today' AND '$today' < s.access_end_date) OR
+                        (s.access_start_date = '0000-00-00 00:00:00' AND s.access_end_date = '0000-00-00 00:00:00' ) OR
+                        (s.access_start_date IS NULL AND s.access_end_date IS NULL) OR
+                        (s.access_start_date <= '$today' AND ('0000-00-00 00:00:00' = s.access_end_date OR s.access_end_date IS NULL )) OR
+                        ('$today' < s.access_end_date AND ('0000-00-00 00:00:00' = s.access_start_date OR s.access_start_date IS NULL) )
+                    , 1, 0) as session_active
+                FROM $extraFieldTables $tbl_session s
+                LEFT JOIN  $tbl_session_category sc
+                ON s.session_category_id = sc.id
+                INNER JOIN $tblSessionRelUser sru
+                ON s.id = sru.session_id
+                INNER JOIN $tbl_user u
+                ON sru.user_id = u.id
+                INNER JOIN $sessionCourseUserTable scu
+                ON s.id = scu.session_id
+                INNER JOIN $courseTable c
+                ON c.id = scu.c_id
+                INNER JOIN $table_access_url_rel_session ar
+                ON ar.session_id = s.id $where ";
 
         $result = Database::query($query_rows);
         $num = 0;
@@ -9051,53 +8964,29 @@ class SessionManager
             $limit = ' LIMIT '.$options['limit'];
         }
 
-        $query = "$select FROM $tbl_session s
-                    LEFT JOIN $tbl_session_field_values fv
-                    ON (fv.item_id = s.id)
-                    LEFT JOIN $extraFieldTable f
-                    ON f.id = fv.field_id
-                    LEFT JOIN $tbl_session_field_options fvo
-                    ON (fv.field_id = fvo.field_id)
-                    LEFT JOIN $tbl_session_rel_course src
-                    ON (src.session_id = s.id)
-                    LEFT JOIN $tbl_course c
-                    ON (src.c_id = c.id)
-                    LEFT JOIN $tbl_session_category sc
-                    ON (s.session_category_id = sc.id)
-                    INNER JOIN $tblSessionRelUser sru ON s.id = sru.session_id
-                    INNER JOIN $tbl_user u
-                    ON sru.user_id = u.id
-                    $where
-                    $limit
+        $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
+        $access_url_id = api_get_current_access_url_id();
+        $query = "$select
+            FROM $tbl_session s
+            LEFT JOIN $tbl_session_field_values fv
+            ON (fv.item_id = s.id)
+            LEFT JOIN $tbl_session_field_options fvo
+            ON (fv.field_id = fvo.field_id)
+            LEFT JOIN $tbl_session_rel_course src
+            ON (src.session_id = s.id)
+            LEFT JOIN $tbl_course c
+            ON (src.c_id = c.id)
+            LEFT JOIN $tbl_session_category sc
+            ON (s.session_category_id = sc.id)
+            INNER JOIN $tblSessionRelUser sru ON s.id = sru.session_id
+            INNER JOIN $tbl_user u
+            ON sru.user_id = u.id
+            INNER JOIN $table_access_url_rel_session ar
+            ON (ar.session_id = s.id AND ar.access_url_id = $access_url_id)
+            $where
+            $limit
         ";
 
-        if (api_is_multiple_url_enabled()) {
-            $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
-            $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                $query = "$select
-                    FROM $tbl_session s
-                    LEFT JOIN $tbl_session_field_values fv
-                    ON (fv.item_id = s.id)
-                    LEFT JOIN $tbl_session_field_options fvo
-                    ON (fv.field_id = fvo.field_id)
-                    LEFT JOIN $tbl_session_rel_course src
-                    ON (src.session_id = s.id)
-                    LEFT JOIN $tbl_course c
-                    ON (src.c_id = c.id)
-                    LEFT JOIN $tbl_session_category sc
-                    ON (s.session_category_id = sc.id)
-                    INNER JOIN $tblSessionRelUser sru ON s.id = sru.session_id
-                    INNER JOIN $tbl_user u
-                    ON sru.user_id = u.id
-                    INNER JOIN $table_access_url_rel_session ar
-                    ON (ar.session_id = s.id AND ar.access_url_id = $access_url_id)
-                    $where
-                    $limit
-                ";
-            }
-        }
-
         $query .= ') AS s';
 
         if (!empty($options['order'])) {
@@ -9788,25 +9677,16 @@ class SessionManager
         $tblSession = Database::get_main_table(TABLE_MAIN_SESSION);
         $tblSessionRelUser = Database::get_main_table(TABLE_MAIN_SESSION_USER);
 
-        if (api_is_multiple_url_enabled()) {
-            $tblSessionRelAccessUrl = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
+        $tblSessionRelAccessUrl = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
 
-            $sql = "SELECT s.id FROM $tblSession s
-                INNER JOIN $tblSessionRelUser sru ON (sru.session_id = s.id)
-                LEFT JOIN $tblSessionRelAccessUrl a ON (s.id = a.session_id)
-                WHERE
-                    sru.user_id = '$userId' AND
-                    sru.session_id = '$sessionId' AND
-                    sru.relation_type = '".Session::DRH."' AND
-                    access_url_id = ".api_get_current_access_url_id();
-        } else {
-            $sql = "SELECT s.id FROM $tblSession s
-                INNER JOIN $tblSessionRelUser sru ON sru.session_id = s.id
-                WHERE
-                    sru.user_id = '$userId' AND
-                    sru.session_id = '$sessionId' AND
-                    sru.relation_type = '".Session::DRH."'";
-        }
+        $sql = "SELECT s.id FROM $tblSession s
+            INNER JOIN $tblSessionRelUser sru ON (sru.session_id = s.id)
+            LEFT JOIN $tblSessionRelAccessUrl a ON (s.id = a.session_id)
+            WHERE
+                sru.user_id = '$userId' AND
+                sru.session_id = '$sessionId' AND
+                sru.relation_type = '".Session::DRH."' AND
+                access_url_id = ".api_get_current_access_url_id();
 
         $result = Database::query($sql);
 
diff --git a/public/main/inc/lib/statistics.lib.php b/public/main/inc/lib/statistics.lib.php
index bad69a5ca3..23f751b180 100644
--- a/public/main/inc/lib/statistics.lib.php
+++ b/public/main/inc/lib/statistics.lib.php
@@ -56,20 +56,12 @@ class Statistics
             //$categoryCondition = " course_category.code = '".Database::escape_string($categoryCode)."' ";
         }
 
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT COUNT(*) AS number
-                    FROM ".$course_table." as c, $access_url_rel_course_table as u
-                    $categoryJoin
-                    WHERE u.c_id = c.id AND access_url_id='".$urlId."'";
-            if (isset($categoryCode)) {
-                $sql .= " AND $categoryCondition";
-            }
-        } else {
-            $sql = "SELECT COUNT(*) AS number
-                    FROM $course_table $categoryJoin";
-            if (isset($categoryCode)) {
-                $sql .= " WHERE $categoryCondition";
-            }
+        $sql = "SELECT COUNT(*) AS number
+                FROM ".$course_table." as c, $access_url_rel_course_table as u
+                $categoryJoin
+                WHERE u.c_id = c.id AND access_url_id='".$urlId."'";
+        if (isset($categoryCode)) {
+            $sql .= " AND $categoryCondition";
         }
 
         $res = Database::query($sql);
@@ -93,18 +85,11 @@ class Statistics
         $course_table = Database::get_main_table(TABLE_MAIN_COURSE);
         $access_url_rel_course_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
         $urlId = api_get_current_access_url_id();
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT COUNT(*) AS number
-                    FROM $course_table as c, $access_url_rel_course_table as u
-                    WHERE u.c_id = c.id AND access_url_id='".$urlId."'";
-            if (isset($visibility)) {
-                $sql .= " AND visibility = ".intval($visibility);
-            }
-        } else {
-            $sql = "SELECT COUNT(*) AS number FROM $course_table ";
-            if (isset($visibility)) {
-                $sql .= " WHERE visibility = ".intval($visibility);
-            }
+        $sql = "SELECT COUNT(*) AS number
+                FROM $course_table as c, $access_url_rel_course_table as u
+                WHERE u.c_id = c.id AND access_url_id='".$urlId."'";
+        if (isset($visibility)) {
+            $sql .= " AND visibility = ".intval($visibility);
         }
         $res = Database::query($sql);
         $obj = Database::fetch_object($res);
@@ -139,45 +124,25 @@ class Statistics
         $active_filter = $onlyActive ? ' AND active = 1' : '';
         $status_filter = isset($status) ? ' AND status = '.intval($status) : '';
 
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT COUNT(DISTINCT(u.id)) AS number
-                    FROM $user_table as u, $access_url_rel_user_table as url
-                    WHERE
-                        u.active <> ".USER_SOFT_DELETED." AND
-                        u.id = url.user_id AND
-                        access_url_id = $urlId
-                        $status_filter $active_filter";
-            if (isset($categoryCode)) {
-                $categoryCode = Database::escape_string($categoryCode);
-                $sql = "SELECT COUNT(DISTINCT(cu.user_id)) AS number
-                        FROM $course_user_table cu, $course_table c, $access_url_rel_user_table as url, $tblCourseRelCategory crc, $tblCourseCategory cc
-                        WHERE
-                            c.id = cu.c_id AND
-                            cc.code = '$categoryCode' AND
-                            crc.course_category_id = cc.id AND
-                            crc.course_id = c.id AND
-                            cu.user_id = url.user_id AND
-                            access_url_id = $urlId
-                            $status_filter $active_filter";
-            }
-        } else {
-            $sql = "SELECT COUNT(DISTINCT(id)) AS number
-                    FROM $user_table
-                    WHERE 1 = 1 AND active <> ".USER_SOFT_DELETED." $status_filter $active_filter";
-            if (isset($categoryCode)) {
-                $categoryCode = Database::escape_string($categoryCode);
-                $status_filter = isset($status) ? ' AND status = '.intval($status) : '';
-                $sql = "SELECT COUNT(DISTINCT(cu.user_id)) AS number
-                        FROM $course_user_table cu, $course_table c, $tblCourseRelCategory crc, $tblCourseCategory cc
-                        WHERE
-                            c.id = cu.c_id AND
-                            cc.code = '$categoryCode' AND
-                            crc.course_category_id = cc.id AND
-                            crc.course_id = c.id AND
-                            $status_filter
-                            $active_filter
-                        ";
-            }
+        $sql = "SELECT COUNT(DISTINCT(u.id)) AS number
+            FROM $user_table as u, $access_url_rel_user_table as url
+            WHERE
+                u.active <> ".USER_SOFT_DELETED." AND
+                u.id = url.user_id AND
+                access_url_id = $urlId
+                $status_filter $active_filter";
+        if (isset($categoryCode)) {
+            $categoryCode = Database::escape_string($categoryCode);
+            $sql = "SELECT COUNT(DISTINCT(cu.user_id)) AS number
+                FROM $course_user_table cu, $course_table c, $access_url_rel_user_table as url, $tblCourseRelCategory crc, $tblCourseCategory cc
+                WHERE
+                    c.id = cu.c_id AND
+                    cc.code = '$categoryCode' AND
+                    crc.course_category_id = cc.id AND
+                    crc.course_id = c.id AND
+                    cu.user_id = url.user_id AND
+                    access_url_id = $urlId
+                    $status_filter $active_filter";
         }
 
         $res = Database::query($sql);
@@ -201,17 +166,12 @@ class Statistics
 
         $urlId = api_get_current_access_url_id();
 
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT DISTINCT(t.c_id) FROM $table t , $access_url_rel_course_table a
-                    WHERE
-                        t.c_id = a.c_id AND
-                        access_url_id='".$urlId."' AND
-                        access_date BETWEEN '$startDate' AND '$endDate'
-                    ";
-        } else {
-            $sql = "SELECT DISTINCT(t.c_id) FROM $table t
-                   access_date BETWEEN '$startDate' AND '$endDate' ";
-        }
+        $sql = "SELECT DISTINCT(t.c_id) FROM $table t , $access_url_rel_course_table a
+            WHERE
+                t.c_id = a.c_id AND
+                access_url_id='".$urlId."' AND
+                access_date BETWEEN '$startDate' AND '$endDate'
+            ";
 
         $result = Database::query($sql);
 
@@ -230,18 +190,12 @@ class Statistics
         $table_user = Database::get_main_table(TABLE_MAIN_USER);
         $access_url_rel_user_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
         $urlId = api_get_current_access_url_id();
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT count(default_id) AS total_number_of_items
-                    FROM $track_e_default, $table_user user, $access_url_rel_user_table url
-                    WHERE user.active <> ".USER_SOFT_DELETED." AND
-                        default_user_id = user.id AND
-                        user.id=url.user_id AND
-                        access_url_id = '".$urlId."'";
-        } else {
-            $sql = "SELECT count(default_id) AS total_number_of_items
-                    FROM $track_e_default, $table_user user
-                    WHERE user.active <> ".USER_SOFT_DELETED." AND default_user_id = user.id ";
-        }
+        $sql = "SELECT count(default_id) AS total_number_of_items
+            FROM $track_e_default, $table_user user, $access_url_rel_user_table url
+            WHERE user.active <> ".USER_SOFT_DELETED." AND
+                default_user_id = user.id AND
+                user.id=url.user_id AND
+                access_url_id = '".$urlId."'";
 
         if (!empty($courseId)) {
             $courseId = (int) $courseId;
@@ -296,37 +250,23 @@ class Statistics
             $direction = 'DESC';
         }
 
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT
-                        default_event_type  as col0,
-                        default_value_type    as col1,
-                        default_value        as col2,
-                        c_id         as col3,
-                        session_id as col4,
-                        user.username         as col5,
-                        user.id         as col6,
-                        default_date         as col7
-                    FROM $track_e_default as track_default,
-                    $table_user as user,
-                    $access_url_rel_user_table as url
-                    WHERE
-                        user.active <> -1 AND
-                        track_default.default_user_id = user.id AND
-                        url.user_id = user.id AND
-                        access_url_id= $urlId ";
-        } else {
-            $sql = "SELECT
-                       default_event_type  as col0,
-                       default_value_type    as col1,
-                       default_value        as col2,
-                       c_id         as col3,
-                       session_id as col4,
-                       user.username         as col5,
-                       user.id         as col6,
-                       default_date         as col7
-                   FROM $track_e_default track_default, $table_user user
-                   WHERE user.active <> ".USER_SOFT_DELETED." AND track_default.default_user_id = user.id ";
-        }
+        $sql = "SELECT
+                default_event_type  as col0,
+                default_value_type    as col1,
+                default_value        as col2,
+                c_id         as col3,
+                session_id as col4,
+                user.username         as col5,
+                user.id         as col6,
+                default_date         as col7
+            FROM $track_e_default as track_default,
+            $table_user as user,
+            $access_url_rel_user_table as url
+            WHERE
+                user.active <> -1 AND
+                track_default.default_user_id = user.id AND
+                url.user_id = user.id AND
+                access_url_id= $urlId ";
 
         if (!empty($_GET['keyword'])) {
             $keyword = Database::escape_string(trim($_GET['keyword']));
@@ -516,15 +456,10 @@ class Statistics
         $access_url_rel_user_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
         $urlId = api_get_current_access_url_id();
 
-        $table_url = null;
-        $where_url = null;
         $now = api_get_utc_datetime();
-        $where_url_last = ' WHERE login_date > DATE_SUB("'.$now.'",INTERVAL 1 %s)';
-        if (api_is_multiple_url_enabled()) {
-            $table_url = ", $access_url_rel_user_table";
-            $where_url = " WHERE login_user_id=user_id AND access_url_id='".$urlId."'";
-            $where_url_last = ' AND login_date > DATE_SUB("'.$now.'",INTERVAL 1 %s)';
-        }
+        $table_url = ", $access_url_rel_user_table";
+        $where_url = " WHERE login_user_id=user_id AND access_url_id='".$urlId."'";
+        $where_url_last = ' AND login_date > DATE_SUB("'.$now.'",INTERVAL 1 %s)';
 
         $period = get_lang('Month');
         $periodCollection = api_get_months_long();
@@ -618,12 +553,8 @@ class Statistics
         $table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
         $access_url_rel_user_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
         $urlId = api_get_current_access_url_id();
-        $table_url = '';
-        $where_url = '';
-        if (api_is_multiple_url_enabled()) {
-            $table_url = ", $access_url_rel_user_table";
-            $where_url = " AND login_user_id=user_id AND access_url_id='".$urlId."'";
-        }
+        $table_url = ", $access_url_rel_user_table";
+        $where_url = " AND login_user_id=user_id AND access_url_id='".$urlId."'";
 
         $now = api_get_utc_datetime();
         $field = 'login_id';
@@ -708,12 +639,8 @@ class Statistics
         $table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
         $access_url_rel_user_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
         $urlId = api_get_current_access_url_id();
-        $table_url = '';
-        $where_url = '';
-        if (api_is_multiple_url_enabled()) {
-            $table_url = ", $access_url_rel_user_table";
-            $where_url = " AND login_user_id=user_id AND access_url_id='".$urlId."'";
-        }
+        $table_url = ", $access_url_rel_user_table";
+        $where_url = " AND login_user_id=user_id AND access_url_id='".$urlId."'";
 
         $now = api_get_utc_datetime();
         $date = new DateTime($now);
@@ -776,21 +703,14 @@ class Statistics
         foreach ($tools as $tool) {
             $tool_names[$tool] = get_lang(ucfirst($tool), '');
         }
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT access_tool, count( access_id ) AS number_of_logins
-                    FROM $table t , $access_url_rel_course_table a
-                    WHERE
-                        access_tool IN ('".implode("','", $tools)."') AND
-                        t.c_id = a.c_id AND
-                        access_url_id='".$urlId."'
-                        GROUP BY access_tool
-                    ";
-        } else {
-            $sql = "SELECT access_tool, count( access_id ) AS number_of_logins
-                    FROM $table
-                    WHERE access_tool IN ('".implode("','", $tools)."')
-                    GROUP BY access_tool ";
-        }
+        $sql = "SELECT access_tool, count( access_id ) AS number_of_logins
+            FROM $table t , $access_url_rel_course_table a
+            WHERE
+                access_tool IN ('".implode("','", $tools)."') AND
+                t.c_id = a.c_id AND
+                access_url_id='".$urlId."'
+                GROUP BY access_tool
+            ";
 
         $res = Database::query($sql);
         $result = [];
@@ -825,17 +745,11 @@ class Statistics
         $table = Database::get_main_table(TABLE_MAIN_COURSE);
         $access_url_rel_course_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
         $urlId = api_get_current_access_url_id();
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT course_language, count( c.code ) AS number_of_courses
-                    FROM $table as c, $access_url_rel_course_table as u
-                    WHERE u.c_id = c.id AND access_url_id='".$urlId."'
-                    GROUP BY course_language
-                    ORDER BY number_of_courses DESC";
-        } else {
-            $sql = "SELECT course_language, count( code ) AS number_of_courses
-                   FROM $table GROUP BY course_language
-                   ORDER BY number_of_courses DESC";
-        }
+        $sql = "SELECT course_language, count( c.code ) AS number_of_courses
+            FROM $table as c, $access_url_rel_course_table as u
+            WHERE u.c_id = c.id AND access_url_id='".$urlId."'
+            GROUP BY course_language
+            ORDER BY number_of_courses DESC";
         $res = Database::query($sql);
         $result = [];
         while ($obj = Database::fetch_object($res)) {
@@ -853,14 +767,9 @@ class Statistics
         $user_table = Database::get_main_table(TABLE_MAIN_USER);
         $access_url_rel_user_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
         $urlId = api_get_current_access_url_id();
-        $url_condition = null;
-        $url_condition2 = null;
-        $table = null;
-        if (api_is_multiple_url_enabled()) {
-            $url_condition = ", $access_url_rel_user_table as url WHERE url.user_id=u.id AND access_url_id='".$urlId."'";
-            $url_condition2 = " AND url.user_id=u.id AND access_url_id='".$urlId."'";
-            $table = ", $access_url_rel_user_table as url ";
-        }
+        $url_condition = ", $access_url_rel_user_table as url WHERE url.user_id=u.id AND access_url_id='".$urlId."'";
+        $url_condition2 = " AND url.user_id=u.id AND access_url_id='".$urlId."'";
+        $table = ", $access_url_rel_user_table as url ";
         $sql = "SELECT COUNT(*) AS n FROM $user_table as u ".$url_condition;
         $res = Database::query($sql);
         $count1 = Database::fetch_object($res);
@@ -969,20 +878,13 @@ class Statistics
         $values = $form->exportValues();
         $date_diff = $values['date_diff'];
         $table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LASTACCESS);
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT * FROM $table t , $access_url_rel_course_table a
-                   WHERE
-                        t.c_id = a.c_id AND
-                        access_url_id='".$urlId."'
-                   GROUP BY t.c_id
-                   HAVING t.c_id <> ''
-                   AND DATEDIFF( '".api_get_utc_datetime()."' , access_date ) <= ".$date_diff;
-        } else {
-            $sql = "SELECT * FROM $table t
-                   GROUP BY t.c_id
-                   HAVING t.c_id <> ''
-                   AND DATEDIFF( '".api_get_utc_datetime()."' , access_date ) <= ".$date_diff;
-        }
+        $sql = "SELECT * FROM $table t , $access_url_rel_course_table a
+           WHERE
+                t.c_id = a.c_id AND
+                access_url_id='".$urlId."'
+           GROUP BY t.c_id
+           HAVING t.c_id <> ''
+           AND DATEDIFF( '".api_get_utc_datetime()."' , access_date ) <= ".$date_diff;
         $sql .= ' ORDER BY `'.$columns[$column].'` '.$sql_order[$direction];
         $from = ($page_nr - 1) * $per_page;
         $sql .= ' LIMIT '.$from.','.$per_page;
@@ -1045,19 +947,12 @@ class Statistics
                 break;
         }
 
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT lastname, firstname, username, COUNT($field) AS count_message
-                FROM $access_url_rel_user_table as url, $message_table m
-                LEFT JOIN $user_table u ON m.$field = u.id AND u.active <> ".USER_SOFT_DELETED."
-                WHERE  url.user_id = m.$field AND  access_url_id='".$urlId."'
-                GROUP BY m.$field
-                ORDER BY count_message DESC ";
-        } else {
-            $sql = "SELECT lastname, firstname, username, COUNT($field) AS count_message
-                FROM $message_table m
-                LEFT JOIN $user_table u ON m.$field = u.id AND u.active <> ".USER_SOFT_DELETED."
-                GROUP BY m.$field ORDER BY count_message DESC ";
-        }
+        $sql = "SELECT lastname, firstname, username, COUNT($field) AS count_message
+            FROM $access_url_rel_user_table as url, $message_table m
+            LEFT JOIN $user_table u ON m.$field = u.id AND u.active <> ".USER_SOFT_DELETED."
+            WHERE  url.user_id = m.$field AND  access_url_id='".$urlId."'
+            GROUP BY m.$field
+            ORDER BY count_message DESC ";
         $res = Database::query($sql);
         $messages_sent = [];
         while ($messages = Database::fetch_array($res)) {
@@ -1084,26 +979,16 @@ class Statistics
         $access_url_rel_user_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
         $urlId = api_get_current_access_url_id();
 
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT lastname, firstname, username, COUNT(friend_user_id) AS count_friend
-                    FROM $access_url_rel_user_table as url, $user_friend_table uf
-                    LEFT JOIN $user_table u
-                    ON (uf.user_id = u.id) AND u.active <> ".USER_SOFT_DELETED."
-                    WHERE
-                        uf.relation_type <> '".UserRelUser::USER_RELATION_TYPE_RRHH."' AND
-                        uf.user_id = url.user_id AND
-                        access_url_id = '".$urlId."'
-                    GROUP BY uf.user_id
-                    ORDER BY count_friend DESC ";
-        } else {
-            $sql = "SELECT lastname, firstname, username, COUNT(friend_user_id) AS count_friend
-                    FROM $user_friend_table uf
-                    LEFT JOIN $user_table u
-                    ON (uf.user_id = u.id) AND u.active <> ".USER_SOFT_DELETED."
-                    WHERE uf.relation_type <> '".UserRelUser::USER_RELATION_TYPE_RRHH."'
-                    GROUP BY uf.user_id
-                    ORDER BY count_friend DESC ";
-        }
+        $sql = "SELECT lastname, firstname, username, COUNT(friend_user_id) AS count_friend
+            FROM $access_url_rel_user_table as url, $user_friend_table uf
+            LEFT JOIN $user_table u
+            ON (uf.user_id = u.id) AND u.active <> ".USER_SOFT_DELETED."
+            WHERE
+                uf.relation_type <> '".UserRelUser::USER_RELATION_TYPE_RRHH."' AND
+                uf.user_id = url.user_id AND
+                access_url_id = '".$urlId."'
+            GROUP BY uf.user_id
+            ORDER BY count_friend DESC ";
         $res = Database::query($sql);
         $list_friends = [];
         while ($friends = Database::fetch_array($res)) {
@@ -1124,13 +1009,8 @@ class Statistics
         $access_url_rel_user_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
         $urlId = api_get_current_access_url_id();
         $total = self::countUsers();
-        if (api_is_multiple_url_enabled()) {
-            $table_url = ", $access_url_rel_user_table";
-            $where_url = " AND login_user_id=user_id AND access_url_id='".$urlId."'";
-        } else {
-            $table_url = '';
-            $where_url = '';
-        }
+        $table_url = ", $access_url_rel_user_table";
+        $where_url = " AND login_user_id=user_id AND access_url_id='".$urlId."'";
         $now = api_get_utc_datetime();
         $sql[get_lang('This day')] =
             "SELECT count(distinct(login_user_id)) AS number ".
@@ -1453,15 +1333,10 @@ class Statistics
 
         $tblUser = Database::get_main_table(TABLE_MAIN_USER);
         $tblLogin = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
-        $urlJoin = '';
-        $urlWhere = '';
+        $tblUrlUser = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
 
-        if (api_is_multiple_url_enabled()) {
-            $tblUrlUser = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-
-            $urlJoin = "INNER JOIN $tblUrlUser au ON u.id = au.user_id";
-            $urlWhere = 'AND au.access_url_id = '.api_get_current_access_url_id();
-        }
+        $urlJoin = "INNER JOIN $tblUrlUser au ON u.id = au.user_id";
+        $urlWhere = 'AND au.access_url_id = '.api_get_current_access_url_id();
 
         $sql = "SELECT u.id,
                     u.firstname,
diff --git a/public/main/inc/lib/tracking.lib.php b/public/main/inc/lib/tracking.lib.php
index 2fae9bbc3e..93b21a9e63 100644
--- a/public/main/inc/lib/tracking.lib.php
+++ b/public/main/inc/lib/tracking.lib.php
@@ -1742,14 +1742,10 @@ class Tracking
             $userCondition = " login_user_id = $userId ";
         }
 
-        $url_condition = null;
         $tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-        $url_table = null;
-        if (api_is_multiple_url_enabled()) {
-            $access_url_id = api_get_current_access_url_id();
-            $url_table = ", $tbl_url_rel_user as url_users";
-            $url_condition = " AND u.login_user_id = url_users.user_id AND access_url_id='$access_url_id'";
-        }
+        $access_url_id = api_get_current_access_url_id();
+        $url_table = ", $tbl_url_rel_user as url_users";
+        $url_condition = " AND u.login_user_id = url_users.user_id AND access_url_id='$access_url_id'";
 
         if (empty($timeFilter)) {
             $timeFilter = 'last_week';
@@ -1825,13 +1821,9 @@ class Tracking
         $tbl_track_login = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
         $tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
 
-        $url_table = null;
-        $url_condition = null;
-        if (api_is_multiple_url_enabled()) {
-            $access_url_id = api_get_current_access_url_id();
-            $url_table = ", ".$tbl_url_rel_user." as url_users";
-            $url_condition = " AND u.login_user_id = url_users.user_id AND access_url_id='$access_url_id'";
-        }
+        $access_url_id = api_get_current_access_url_id();
+        $url_table = ", ".$tbl_url_rel_user." as url_users";
+        $url_condition = " AND u.login_user_id = url_users.user_id AND access_url_id='$access_url_id'";
 
         if (!empty($startDate) && !empty($endDate)) {
             $startDate = Database::escape_string($startDate);
@@ -3613,25 +3605,18 @@ class Tracking
         $tbl_session_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
         $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
 
-        $accessUrlEnabled = api_is_multiple_url_enabled();
-        $access_url_id = $accessUrlEnabled ? api_get_current_access_url_id() : -1;
+        $access_url_id = api_get_current_access_url_id();
 
         $students = [];
         // At first, courses where $coach_id is coach of the course //
-        $sql = 'SELECT session_id, c_id
-                FROM '.$tbl_session_course_user.'
-                WHERE user_id='.$coach_id.' AND status = '.SessionEntity::COURSE_COACH;
-
-        if (-1 != $access_url_id) {
-            $sql = 'SELECT scu.session_id, scu.c_id
-                    FROM '.$tbl_session_course_user.' scu
-                    INNER JOIN '.$tbl_session_rel_access_url.'  sru
-                    ON (scu.session_id=sru.session_id)
-                    WHERE
-                        scu.user_id='.$coach_id.' AND
-                        scu.status = '.SessionEntity::COURSE_COACH.' AND
-                        sru.access_url_id = '.$access_url_id;
-        }
+        $sql = 'SELECT scu.session_id, scu.c_id
+            FROM '.$tbl_session_course_user.' scu
+            INNER JOIN '.$tbl_session_rel_access_url.'  sru
+            ON (scu.session_id=sru.session_id)
+            WHERE
+                scu.user_id='.$coach_id.' AND
+                scu.status = '.SessionEntity::COURSE_COACH.' AND
+                sru.access_url_id = '.$access_url_id;
 
         $result = Database::query($sql);
 
@@ -3768,21 +3753,17 @@ class Tracking
                 ON (c.id = sc.c_id)
                 WHERE sc.user_id = '.$coach_id.' AND sc.status = '.SessionEntity::COURSE_COACH;
 
-        if (api_is_multiple_url_enabled()) {
-            $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                $sql = 'SELECT DISTINCT c.code
-                        FROM '.$tbl_session_course_user.' scu
-                        INNER JOIN '.$tbl_course.' c
-                        ON (c.code = scu.c_id)
-                        INNER JOIN '.$tbl_course_rel_access_url.' cru
-                        ON (c.id = cru.c_id)
-                        WHERE
-                            scu.user_id='.$coach_id.' AND
-                            scu.status = '.SessionEntity::COURSE_COACH.' AND
-                            cru.access_url_id = '.$access_url_id;
-            }
-        }
+        $access_url_id = api_get_current_access_url_id();
+        $sql = 'SELECT DISTINCT c.code
+            FROM '.$tbl_session_course_user.' scu
+            INNER JOIN '.$tbl_course.' c
+            ON (c.code = scu.c_id)
+            INNER JOIN '.$tbl_course_rel_access_url.' cru
+            ON (c.id = cru.c_id)
+            WHERE
+                scu.user_id='.$coach_id.' AND
+                scu.status = '.SessionEntity::COURSE_COACH.' AND
+                cru.access_url_id = '.$access_url_id;
 
         if (!empty($sessionId)) {
             $sql .= ' AND session_id='.$sessionId;
@@ -3795,47 +3776,28 @@ class Tracking
         }
 
         // Then, courses where $coach_id is coach of the session
-        $sql = "SELECT DISTINCT course.code
-                FROM $tbl_session_course as session_course
-                INNER JOIN $tbl_session as session
-                    ON (session.id = session_course.session_id)
-                INNER JOIN $tblSessionRelUser session_user
-                    ON (session.id = session_user.session_id
-                    AND session_user.user_id = $coach_id
-                    AND session_user.relation_type = ".SessionEntity::GENERAL_COACH.")
-                INNER JOIN $tbl_course as course
-                    ON course.id = session_course.c_id";
-
-        if (api_is_multiple_url_enabled()) {
-            $tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
-            $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                $sql = "SELECT DISTINCT c.code
-                    FROM $tbl_session_course as session_course
-                    INNER JOIN $tbl_course c
-                    ON (c.id = session_course.c_id)
-                    INNER JOIN $tbl_session as session
-                    ON session.id = session_course.session_id
-                    INNER JOIN $tblSessionRelUser session_user
-                        ON (session.id = session_user.session_id
-                        AND session_user.user_id = $coach_id
-                        AND session_user.relation_type = ".SessionEntity::GENERAL_COACH.")
-                    INNER JOIN $tbl_course as course
-                        ON course.id = session_course.c_id
-                     INNER JOIN $tbl_course_rel_access_url course_rel_url
-                    ON (course_rel_url.c_id = c.id)";
-            }
-        }
+        $tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
+        $access_url_id = api_get_current_access_url_id();
+        $sql = "SELECT DISTINCT c.code
+            FROM $tbl_session_course as session_course
+            INNER JOIN $tbl_course c
+            ON (c.id = session_course.c_id)
+            INNER JOIN $tbl_session as session
+            ON session.id = session_course.session_id
+            INNER JOIN $tblSessionRelUser session_user
+                ON (session.id = session_user.session_id
+                AND session_user.user_id = $coach_id
+                AND session_user.relation_type = ".SessionEntity::GENERAL_COACH.")
+            INNER JOIN $tbl_course as course
+                ON course.id = session_course.c_id
+             INNER JOIN $tbl_course_rel_access_url course_rel_url
+            ON (course_rel_url.c_id = c.id)";
 
         if (!empty($sessionId)) {
             $sql .= ' WHERE session_course.session_id='.$sessionId;
-            if (api_is_multiple_url_enabled()) {
-                $sql .= ' AND access_url_id = '.$access_url_id;
-            }
+            $sql .= ' AND access_url_id = '.$access_url_id;
         } else {
-            if (api_is_multiple_url_enabled()) {
-                $sql .= ' WHERE access_url_id = '.$access_url_id;
-            }
+            $sql .= ' WHERE access_url_id = '.$access_url_id;
         }
 
         $result = Database::query($sql);
@@ -4610,28 +4572,17 @@ class Tracking
         $session_id = (int) $session_id;
         $urlId = api_get_current_access_url_id();
 
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT c.id, c.code, title
-                    FROM $tbl_course_user cu
-                    INNER JOIN $tbl_course c
-                    ON (cu.c_id = c.id)
-                    INNER JOIN $tbl_access_rel_course a
-                    ON (a.c_id = c.id)
-                    WHERE
-                        cu.user_id = $user_id AND
-                        relation_type<> ".COURSE_RELATION_TYPE_RRHH." AND
-                        access_url_id = $urlId
-                    ORDER BY title";
-        } else {
-            $sql = "SELECT c.id, c.code, title
-                    FROM $tbl_course_user cu
-                    INNER JOIN $tbl_course c
-                    ON (cu.c_id = c.id)
-                    WHERE
-                        cu.user_id = $user_id AND
-                        relation_type <> ".COURSE_RELATION_TYPE_RRHH."
-                    ORDER BY title";
-        }
+        $sql = "SELECT c.id, c.code, title
+            FROM $tbl_course_user cu
+            INNER JOIN $tbl_course c
+            ON (cu.c_id = c.id)
+            INNER JOIN $tbl_access_rel_course a
+            ON (a.c_id = c.id)
+            WHERE
+                cu.user_id = $user_id AND
+                relation_type<> ".COURSE_RELATION_TYPE_RRHH." AND
+                access_url_id = $urlId
+            ORDER BY title";
 
         $rs = Database::query($sql);
         $courses = $course_in_session = $temp_course_in_session = [];
@@ -4657,34 +4608,20 @@ class Tracking
         }
 
         // Get the list of sessions where the user is subscribed as student
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT DISTINCT c.code, s.id as session_id, s.title
-                    FROM $tbl_session_course_user cu
-                    INNER JOIN $tbl_access_rel_session a
-                    ON (a.session_id = cu.session_id)
-                    INNER JOIN $tbl_session s
-                    ON (s.id = a.session_id)
-                    INNER JOIN $tbl_course c
-                    ON (c.id = cu.c_id)
-                    $extraInnerJoin
-                    WHERE
-                        cu.user_id = $user_id AND
-                        access_url_id = ".$urlId."
-                        $sessionCondition
-                    $orderBy ";
-        } else {
-            $sql = "SELECT DISTINCT c.code, s.id as session_id, s.title
-                    FROM $tbl_session_course_user cu
-                    INNER JOIN $tbl_session s
-                    ON (s.id = cu.session_id)
-                    INNER JOIN $tbl_course c
-                    ON (c.id = cu.c_id)
-                    $extraInnerJoin
-                    WHERE
-                        cu.user_id = $user_id
-                        $sessionCondition
-                    $orderBy ";
-        }
+        $sql = "SELECT DISTINCT c.code, s.id as session_id, s.title
+            FROM $tbl_session_course_user cu
+            INNER JOIN $tbl_access_rel_session a
+            ON (a.session_id = cu.session_id)
+            INNER JOIN $tbl_session s
+            ON (s.id = a.session_id)
+            INNER JOIN $tbl_course c
+            ON (c.id = cu.c_id)
+            $extraInnerJoin
+            WHERE
+                cu.user_id = $user_id AND
+                access_url_id = ".$urlId."
+                $sessionCondition
+            $orderBy ";
 
         $rs = Database::query($sql);
         $simple_session_array = [];
@@ -8650,12 +8587,8 @@ class TrackingCourseLog
              ) ";
         }
 
-        $url_table = '';
-        $url_condition = '';
-        if (api_is_multiple_url_enabled()) {
-            $url_table = " INNER JOIN $tbl_url_rel_user as url_users ON (user.id = url_users.user_id)";
-            $url_condition = " AND access_url_id = '$access_url_id'";
-        }
+        $url_table = " INNER JOIN $tbl_url_rel_user as url_users ON (user.id = url_users.user_id)";
+        $url_condition = " AND access_url_id = '$access_url_id'";
 
         $invitedUsersCondition = '';
         if (!$includeInvitedUsers) {
@@ -9054,12 +8987,8 @@ class TrackingCourseLog
             $condition_user = " WHERE user.user_id = $user_ids ";
         }
 
-        $url_table = null;
-        $url_condition = null;
-        if (api_is_multiple_url_enabled()) {
-            $url_table = ", ".$tbl_url_rel_user." as url_users";
-            $url_condition = " AND user.user_id = url_users.user_id AND access_url_id='$access_url_id'";
-        }
+        $url_table = ", ".$tbl_url_rel_user." as url_users";
+        $url_condition = " AND user.user_id = url_users.user_id AND access_url_id='$access_url_id'";
 
         $invitedUsersCondition = '';
         if (!$includeInvitedUsers) {
diff --git a/public/main/inc/lib/usermanager.lib.php b/public/main/inc/lib/usermanager.lib.php
index ea951bbd16..689c873f38 100644
--- a/public/main/inc/lib/usermanager.lib.php
+++ b/public/main/inc/lib/usermanager.lib.php
@@ -387,14 +387,10 @@ class UserManager
                 $email_admin = api_get_setting('emailAdministrator');
 
                 $url = api_get_path(WEB_PATH);
-                if (api_is_multiple_url_enabled()) {
-                    $access_url_id = api_get_current_access_url_id();
-                    if (-1 != $access_url_id) {
-                        $urlInfo = api_get_access_url($access_url_id);
-                        if ($urlInfo) {
-                            $url = $urlInfo['url'];
-                        }
-                    }
+                $access_url_id = api_get_current_access_url_id();
+                $urlInfo = api_get_access_url($access_url_id);
+                if ($urlInfo) {
+                    $url = $urlInfo['url'];
                 }
 
                 // variables for the default template
@@ -966,14 +962,9 @@ class UserManager
                 PERSON_NAME_EMAIL_ADDRESS
             );
             $email_admin = api_get_setting('emailAdministrator');
-            $url = api_get_path(WEB_PATH);
-            if (api_is_multiple_url_enabled()) {
-                $access_url_id = api_get_current_access_url_id();
-                if (-1 != $access_url_id) {
-                    $url = api_get_access_url($access_url_id);
-                    $url = $url['url'];
-                }
-            }
+            $access_url_id = api_get_current_access_url_id();
+            $url = api_get_access_url($access_url_id);
+            $url = $url['url'];
 
             $tplContent = new Template(
                 null,
@@ -1381,18 +1372,14 @@ class UserManager
         $return_array = [];
         $sql = "SELECT user.*, user.id as user_id FROM $user_table user ";
 
-        if (api_is_multiple_url_enabled()) {
-            if ($idCampus) {
-                $urlId = $idCampus;
-            } else {
-                $urlId = api_get_current_access_url_id();
-            }
-            $sql .= " INNER JOIN $userUrlTable url_user
-                      ON (user.id = url_user.user_id)
-                      WHERE url_user.access_url_id = $urlId";
+        if ($idCampus) {
+            $urlId = $idCampus;
         } else {
-            $sql .= " WHERE 1=1 ";
+            $urlId = api_get_current_access_url_id();
         }
+        $sql .= " INNER JOIN $userUrlTable url_user
+            ON (user.id = url_user.user_id)
+            WHERE url_user.access_url_id = $urlId";
 
         if (count($conditions) > 0) {
             foreach ($conditions as $field => $value) {
@@ -1438,18 +1425,14 @@ class UserManager
             $sql = "SELECT count(user.id) count FROM $user_table user ";
         }
 
-        if (api_is_multiple_url_enabled()) {
-            if ($idCampus) {
-                $urlId = $idCampus;
-            } else {
-                $urlId = api_get_current_access_url_id();
-            }
-            $sql .= " INNER JOIN $userUrlTable url_user
-                      ON (user.user_id = url_user.user_id)
-                      WHERE url_user.access_url_id = $urlId";
+        if ($idCampus) {
+            $urlId = $idCampus;
         } else {
-            $sql .= " WHERE 1=1 ";
+            $urlId = api_get_current_access_url_id();
         }
+        $sql .= " INNER JOIN $userUrlTable url_user
+            ON (user.user_id = url_user.user_id)
+            WHERE url_user.access_url_id = $urlId";
 
         $sql .= " AND status <> ".ANONYMOUS." ";
 
@@ -1514,11 +1497,7 @@ class UserManager
         $tblAccessUrlRelUser = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
         $return_array = [];
         $sql_query = "SELECT user.id FROM $user_table user ";
-
-        if (api_is_multiple_url_enabled()) {
-            $sql_query .= " INNER JOIN $tblAccessUrlRelUser auru ON auru.user_id = user.id ";
-        }
-
+        $sql_query .= " INNER JOIN $tblAccessUrlRelUser auru ON auru.user_id = user.id ";
         $sql_query .= ' WHERE 1 = 1 ';
         if (count($conditions) > 0) {
             $temp_conditions = [];
@@ -1535,13 +1514,9 @@ class UserManager
                 $sql_query .= ' AND '.implode(' '.$condition.' ', $temp_conditions);
             }
 
-            if (api_is_multiple_url_enabled()) {
-                $sql_query .= ' AND auru.access_url_id = '.api_get_current_access_url_id();
-            }
+            $sql_query .= ' AND auru.access_url_id = '.api_get_current_access_url_id();
         } else {
-            if (api_is_multiple_url_enabled()) {
-                $sql_query .= ' AND auru.access_url_id = '.api_get_current_access_url_id();
-            }
+            $sql_query .= ' AND auru.access_url_id = '.api_get_current_access_url_id();
         }
 
         if (!empty($onlyThisUserList)) {
@@ -3379,18 +3354,12 @@ class UserManager
         $t_u = Database::get_main_table(TABLE_MAIN_USER);
         $t_a = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
 
-        if (api_is_multiple_url_enabled()) {
-            $sql = "SELECT count(u.id)
-                    FROM $t_u u
-                    INNER JOIN $t_a url_user
-                    ON (u.id = url_user.user_id)
-                    WHERE url_user.access_url_id = $access_url_id
-            ";
-        } else {
-            $sql = "SELECT count(u.id)
-                    FROM $t_u u
-                    WHERE 1 = 1 ";
-        }
+        $sql = "SELECT count(u.id)
+                FROM $t_u u
+                INNER JOIN $t_a url_user
+                ON (u.id = url_user.user_id)
+                WHERE url_user.access_url_id = $access_url_id
+        ";
 
         $status = (int) $status;
         if (!empty($status) && $status > 0) {
diff --git a/public/main/inc/lib/userportal.lib.php b/public/main/inc/lib/userportal.lib.php
index 7cbd422ca9..31e34793fa 100644
--- a/public/main/inc/lib/userportal.lib.php
+++ b/public/main/inc/lib/userportal.lib.php
@@ -283,29 +283,25 @@ class IndexManager
         }
 
         // Showing only the courses of the current access_url_id.
-        if (api_is_multiple_url_enabled()) {
-            $url_access_id = api_get_current_access_url_id();
-            if (-1 != $url_access_id) {
-                $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
-                $sql = "SELECT * FROM $main_course_table as course
-                        INNER JOIN $tbl_url_rel_course as url_rel_course
-                        ON (url_rel_course.c_id = course.id)
-                        WHERE
-                            access_url_id = $url_access_id AND
-                            category_id IS NULL
-                        ORDER BY title, UPPER(visual_code)";
+        $url_access_id = api_get_current_access_url_id();
+        $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
+        $sql = "SELECT * FROM $main_course_table as course
+            INNER JOIN $tbl_url_rel_course as url_rel_course
+            ON (url_rel_course.c_id = course.id)
+            WHERE
+                access_url_id = $url_access_id AND
+                category_id IS NULL
+            ORDER BY title, UPPER(visual_code)";
 
-                if (!empty($category)) {
-                    $sql = "SELECT * FROM $main_course_table as course
-                        INNER  JOIN $main_category_table course_category ON course.category_id = course_category.id
-                        INNER JOIN $tbl_url_rel_course as url_rel_course
-                        ON (url_rel_course.c_id = course.id)
-                        WHERE
-                            access_url_id = $url_access_id AND
-                            course_category.code = '$category'
-                        ORDER BY course.title, UPPER(visual_code)";
-                }
-            }
+        if (!empty($category)) {
+            $sql = "SELECT * FROM $main_course_table as course
+                INNER  JOIN $main_category_table course_category ON course.category_id = course_category.id
+                INNER JOIN $tbl_url_rel_course as url_rel_course
+                ON (url_rel_course.c_id = course.id)
+                WHERE
+                    access_url_id = $url_access_id AND
+                    course_category.code = '$category'
+                ORDER BY course.title, UPPER(visual_code)";
         }
 
         // Removed: AND cours.visibility='".COURSE_VISIBILITY_OPEN_WORLD."'
@@ -329,47 +325,30 @@ class IndexManager
                 $platform_visible_courses = "  AND (t3.visibility='".COURSE_VISIBILITY_OPEN_WORLD."' )";
             }
         }
-        $sqlGetSubCatList = "
-                    SELECT  t1.name,
-                            t1.code,
-                            t1.parent_id,
-                            t1.children_count,COUNT(DISTINCT t3.code) AS nbCourse
-                    FROM $main_category_table t1
-                    LEFT JOIN $main_category_table t2
-                    ON t1.code=t2.parent_id
-                    LEFT JOIN $main_course_table t3
-                    ON (t3.category_id = t1.id $platform_visible_courses)
-                    WHERE t1.parent_id ".(empty($category) ? "IS NULL" : "='$category'")."
-                    GROUP BY t1.name,t1.code,t1.parent_id,t1.children_count
-                    ORDER BY t1.tree_pos, t1.name";
 
         // Showing only the category of courses of the current access_url_id
-        if (api_is_multiple_url_enabled()) {
-            $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY);
-            $courseCategoryCondition = " INNER JOIN $table a ON (t1.id = a.course_category_id)";
-
-            $url_access_id = api_get_current_access_url_id();
-            if (-1 != $url_access_id) {
-                $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
-                $sqlGetSubCatList = "
-                    SELECT t1.name,
-                            t1.code,
-                            t1.parent_id,
-                            t1.children_count,
-                            COUNT(DISTINCT t3.code) AS nbCourse
-                    FROM $main_category_table t1
-                    $courseCategoryCondition
-                    LEFT JOIN $main_category_table t2 ON t1.code = t2.parent_id
-                    LEFT JOIN $main_course_table t3 ON (t3.category_id = t1.id $platform_visible_courses)
-                    INNER JOIN $tbl_url_rel_course as url_rel_course
-                    ON (url_rel_course.c_id = t3.id)
-                    WHERE
-                        url_rel_course.access_url_id = $url_access_id AND
-                        t1.parent_id ".(empty($category) ? "IS NULL" : "='$category'")."
-                    GROUP BY t1.name,t1.code,t1.parent_id,t1.children_count
-                    ORDER BY t1.tree_pos, t1.name";
-            }
-        }
+        $table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE_CATEGORY);
+        $courseCategoryCondition = " INNER JOIN $table a ON (t1.id = a.course_category_id)";
+
+        $url_access_id = api_get_current_access_url_id();
+        $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
+        $sqlGetSubCatList = "
+            SELECT t1.name,
+                t1.code,
+                t1.parent_id,
+                t1.children_count,
+                COUNT(DISTINCT t3.code) AS nbCourse
+            FROM $main_category_table t1
+            $courseCategoryCondition
+            LEFT JOIN $main_category_table t2 ON t1.code = t2.parent_id
+            LEFT JOIN $main_course_table t3 ON (t3.category_id = t1.id $platform_visible_courses)
+            INNER JOIN $tbl_url_rel_course as url_rel_course
+            ON (url_rel_course.c_id = t3.id)
+            WHERE
+                url_rel_course.access_url_id = $url_access_id AND
+                t1.parent_id ".(empty($category) ? "IS NULL" : "='$category'")."
+            GROUP BY t1.name,t1.code,t1.parent_id,t1.children_count
+            ORDER BY t1.tree_pos, t1.name";
 
         $resCats = Database::query($sqlGetSubCatList);
         $thereIsSubCat = false;
diff --git a/public/main/inc/lib/webservices/Rest.php b/public/main/inc/lib/webservices/Rest.php
index 90f2047c56..f07a9a01e4 100644
--- a/public/main/inc/lib/webservices/Rest.php
+++ b/public/main/inc/lib/webservices/Rest.php
@@ -1339,19 +1339,10 @@ class Rest extends WebService
             throw new Exception(get_lang('UserNotRegistered'));
         }
 
-        if (api_is_multiple_url_enabled()) {
-            if (-1 != api_get_current_access_url_id()) {
-                UrlManager::add_user_to_url(
-                    $userId,
-                    api_get_current_access_url_id()
-                );
-            } else {
-                UrlManager::add_user_to_url($userId, 1);
-            }
-        } else {
-            // We add by default the access_url_user table with access_url_id = 1
-            UrlManager::add_user_to_url($userId, 1);
-        }
+        UrlManager::add_user_to_url(
+            $userId,
+            api_get_current_access_url_id()
+        );
 
         // Save new field label into user_field table.
         UserManager::create_extra_field(
@@ -1625,12 +1616,7 @@ class Rest extends WebService
         $modelSession = SessionManager::fetch($modelSessionId);
         $generalCoachesId = SessionManager::getGeneralCoachesIdForSession($modelSessionId);
 
-        $modelSession['accessUrlId'] = 1;
-        if (api_is_multiple_url_enabled()) {
-            if (-1 != api_get_current_access_url_id()) {
-                $modelSession['accessUrlId'] = api_get_current_access_url_id();
-            }
-        }
+        $modelSession['accessUrlId'] = api_get_current_access_url_id();
 
         $newSessionId = SessionManager::create_session(
             $sessionName,
@@ -1690,18 +1676,10 @@ class Rest extends WebService
             throw new Exception(get_lang('CoursesNotAddedToSession'));
         }
 
-        if (api_is_multiple_url_enabled()) {
-            if (-1 != api_get_current_access_url_id()) {
-                UrlManager::add_session_to_url(
-                    $newSessionId,
-                    api_get_current_access_url_id()
-                );
-            } else {
-                UrlManager::add_session_to_url($newSessionId, 1);
-            }
-        } else {
-            UrlManager::add_session_to_url($newSessionId, 1);
-        }
+        UrlManager::add_session_to_url(
+            $newSessionId,
+            api_get_current_access_url_id()
+        );
 
         return $newSessionId;
     }
diff --git a/public/main/inc/lib/zombie/zombie_manager.class.php b/public/main/inc/lib/zombie/zombie_manager.class.php
index 51bd2688c1..d0db12145f 100644
--- a/public/main/inc/lib/zombie/zombie_manager.class.php
+++ b/public/main/inc/lib/zombie/zombie_manager.class.php
@@ -58,29 +58,18 @@ class ZombieManager
                     user.active,
                     access.login_date';
 
-        if (api_is_multiple_url_enabled()) {
-            $access_url_rel_user_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-            $current_url_id = api_get_current_access_url_id();
+        $access_url_rel_user_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+        $current_url_id = api_get_current_access_url_id();
 
-            $sql .= " FROM $user_table as user, $login_table as access, $access_url_rel_user_table as url
-                      WHERE
-                        access.login_date = (SELECT MAX(a.login_date)
-                                             FROM $login_table as a
-                                             WHERE a.login_user_id = user.user_id
-                                             ) AND
-                        access.login_date <= '$ceiling' AND
-                        user.user_id = access.login_user_id AND
-                        url.user_id = user.user_id AND url.access_url_id=$current_url_id";
-        } else {
-            $sql .= " FROM $user_table as user, $login_table as access
-                      WHERE
-                        access.login_date = (SELECT MAX(a.login_date)
-                                             FROM $login_table as a
-                                             WHERE a.login_user_id = user.user_id
-                                             ) AND
-                        access.login_date <= '$ceiling' AND
-                        user.user_id = access.login_user_id";
-        }
+        $sql .= " FROM $user_table as user, $login_table as access, $access_url_rel_user_table as url
+            WHERE
+                access.login_date = (SELECT MAX(a.login_date)
+                    FROM $login_table as a
+                    WHERE a.login_user_id = user.user_id
+                ) AND
+            access.login_date <= '$ceiling' AND
+            user.user_id = access.login_user_id AND
+            url.user_id = user.user_id AND url.access_url_id=$current_url_id";
 
         if ($active_only) {
             $sql .= ' AND user.active = 1';
diff --git a/public/main/my_space/session_filter.php b/public/main/my_space/session_filter.php
index 39625a8d29..2634dbc9ff 100644
--- a/public/main/my_space/session_filter.php
+++ b/public/main/my_space/session_filter.php
@@ -43,24 +43,15 @@ if (api_is_drh()) {
 }
 
 // Select of sessions.
+$tblSessionRelAccessUrl = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
+$accessUrlId = api_get_current_access_url_id();
 $sql = "SELECT s.id, name FROM $tblSession s
-        $innerJoinSessionRelUser
-        $whereCondictionDRH
-        ORDER BY name";
-
-if (api_is_multiple_url_enabled()) {
-    $tblSessionRelAccessUrl = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
-    $accessUrlId = api_get_current_access_url_id();
-    if (-1 != $accessUrlId) {
-        $sql = "SELECT s.id, name FROM $tblSession s
-                INNER JOIN $tblSessionRelAccessUrl as session_rel_url
-                ON (s.id = session_rel_url.session_id)
-                $innerJoinSessionRelUser
-                WHERE access_url_id = $accessUrlId
-                $whereCondictionMultiUrl
-                ORDER BY name";
-    }
-}
+    INNER JOIN $tblSessionRelAccessUrl as session_rel_url
+    ON (s.id = session_rel_url.session_id)
+    $innerJoinSessionRelUser
+    WHERE access_url_id = $accessUrlId
+    $whereCondictionMultiUrl
+    ORDER BY name";
 $result = Database::query($sql);
 $Sessions = Database::store_result($result);
 $options = [];
diff --git a/public/main/my_space/user_edit.php b/public/main/my_space/user_edit.php
index 50255b066c..8c76c63ab6 100644
--- a/public/main/my_space/user_edit.php
+++ b/public/main/my_space/user_edit.php
@@ -131,14 +131,9 @@ if ($form->validate()) {
 
         if (!empty($email) && $send_mail) {
             $emailsubject = '['.api_get_setting('siteName').'] '.get_lang('Your registration on').' '.api_get_setting('siteName');
-            $portal_url = api_get_path(WEB_PATH);
-            if (api_is_multiple_url_enabled()) {
-                $access_url_id = api_get_current_access_url_id();
-                if (-1 != $access_url_id) {
-                    $url = api_get_access_url($access_url_id);
-                    $portal_url = $url['url'];
-                }
-            }
+            $access_url_id = api_get_current_access_url_id();
+            $url = api_get_access_url($access_url_id);
+            $portal_url = $url['url'];
 
             $emailbody = get_lang('Dear')." ".stripslashes(api_get_person_name($userInfo['firstname'], $userInfo['lastname'])).",\n\n".
                 get_lang('You are registered to')." ".api_get_setting('siteName')." ".get_lang('with the following settings:')."\n\n".
diff --git a/public/main/session/add_edit_users_to_session.php b/public/main/session/add_edit_users_to_session.php
index b7b1ebfe3c..6588e7c925 100644
--- a/public/main/session/add_edit_users_to_session.php
+++ b/public/main/session/add_edit_users_to_session.php
@@ -172,60 +172,56 @@ function search_users($needle, $type)
                 break;
         }
 
-        if (api_is_multiple_url_enabled()) {
-            $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-            $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                switch ($type) {
-                    case 'single':
-                        $sql = "
-                            SELECT user.id, username, lastname, firstname, official_code
-                            FROM $tblUser user
-                            INNER JOIN $tbl_user_rel_access_url url_user
-                                ON (url_user.user_id = user.id)
-                            WHERE
-                                access_url_id = '$access_url_id'
-                                AND (
-                                    username LIKE '$needle%'
-                                    OR lastname LIKE '$needle%'
-                                    OR firstname LIKE '$needle%'
-                                )
-                                AND user.status <> 6
-                                AND user.status <> ".DRH."
-                            $order_clause LIMIT 11
-                        ";
-                        break;
-                    case 'multiple':
-                        $sql = "
-                            SELECT user.id, username, lastname, firstname, official_code
-                            FROM $tblUser user
-                            INNER JOIN $tbl_user_rel_access_url url_user ON (url_user.user_id=user.id)
-                            WHERE
-                                access_url_id = $access_url_id
-                                AND lastname LIKE '$needle%'
-                                AND user.status <> ".DRH."
-                                AND user.status <> 6 $cond_user_id
-                            $order_clause
-                        ";
-                        break;
-                    case 'any_session':
-                        $sql = "
-                            SELECT DISTINCT user.id, username, lastname, firstname, official_code
-                            FROM $tblUser user
-                            LEFT OUTER JOIN $tblSessionRelUser s
-                                ON (s.user_id = user.id)
-                            INNER JOIN $tbl_user_rel_access_url url_user
-                                ON (url_user.user_id = user.id)
-                            WHERE
-                                access_url_id = $access_url_id
-                                AND s.user_id IS null
-                                AND user.status <> ".DRH."
-                                AND user.status <> 6 $cond_user_id
-                            $order_clause
-                        ";
-                        break;
-                }
-            }
+        $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+        $access_url_id = api_get_current_access_url_id();
+        switch ($type) {
+            case 'single':
+                $sql = "
+                    SELECT user.id, username, lastname, firstname, official_code
+                    FROM $tblUser user
+                    INNER JOIN $tbl_user_rel_access_url url_user
+                        ON (url_user.user_id = user.id)
+                    WHERE
+                        access_url_id = '$access_url_id'
+                        AND (
+                            username LIKE '$needle%'
+                            OR lastname LIKE '$needle%'
+                            OR firstname LIKE '$needle%'
+                        )
+                        AND user.status <> 6
+                        AND user.status <> ".DRH."
+                    $order_clause LIMIT 11
+                ";
+                break;
+            case 'multiple':
+                $sql = "
+                    SELECT user.id, username, lastname, firstname, official_code
+                    FROM $tblUser user
+                    INNER JOIN $tbl_user_rel_access_url url_user ON (url_user.user_id=user.id)
+                    WHERE
+                        access_url_id = $access_url_id
+                        AND lastname LIKE '$needle%'
+                        AND user.status <> ".DRH."
+                        AND user.status <> 6 $cond_user_id
+                    $order_clause
+                ";
+                break;
+            case 'any_session':
+                $sql = "
+                    SELECT DISTINCT user.id, username, lastname, firstname, official_code
+                    FROM $tblUser user
+                    LEFT OUTER JOIN $tblSessionRelUser s
+                        ON (s.user_id = user.id)
+                    INNER JOIN $tbl_user_rel_access_url url_user
+                        ON (url_user.user_id = user.id)
+                    WHERE
+                        access_url_id = $access_url_id
+                        AND s.user_id IS null
+                        AND user.status <> ".DRH."
+                        AND user.status <> 6 $cond_user_id
+                    $order_clause
+                ";
+                break;
         }
 
         $rs = Database::query($sql);
@@ -367,6 +363,8 @@ if ('true' === $orderListByOfficialCode) {
 }
 
 if ($ajax_search) {
+    $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+    $access_url_id = api_get_current_access_url_id();
     $sql = "
         SELECT u.id, u.lastname, u.firstname, u.username, session_id, u.official_code
         FROM $tblUser u
@@ -374,30 +372,12 @@ if ($ajax_search) {
             ON su.user_id = u.id
             AND su.relation_type = ".Session::STUDENT."
             AND su.session_id = ".intval($sessionId)."
-        WHERE u.status<>".DRH."
+        INNER JOIN $tbl_user_rel_access_url url_user ON (url_user.user_id = u.id)
+        WHERE access_url_id = $access_url_id
+            AND u.status <> ".DRH."
             AND u.status <> 6
         $order_clause
     ";
-
-    if (api_is_multiple_url_enabled()) {
-        $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-        $access_url_id = api_get_current_access_url_id();
-        if (-1 != $access_url_id) {
-            $sql = "
-                SELECT u.id, u.lastname, u.firstname, u.username, session_id, u.official_code
-                FROM $tblUser u
-                INNER JOIN $tblSessionRelUser su
-                    ON su.user_id = u.id
-                    AND su.relation_type = ".Session::STUDENT."
-                    AND su.session_id = ".intval($sessionId)."
-                INNER JOIN $tbl_user_rel_access_url url_user ON (url_user.user_id = u.id)
-                WHERE access_url_id = $access_url_id
-                    AND u.status <> ".DRH."
-                    AND u.status <> 6
-                $order_clause
-            ";
-        }
-    }
     $result = Database::query($sql);
     $users = Database::store_result($result);
     foreach ($users as $user) {
@@ -464,20 +444,11 @@ if ($ajax_search) {
             $final_result = $extra_field_result[0];
         }
 
-        if (api_is_multiple_url_enabled()) {
-            if (is_array($final_result) && count($final_result) > 0) {
-                $where_filter = " AND u.id IN  ('".implode("','", $final_result)."') ";
-            } else {
-                //no results
-                $where_filter = " AND u.id  = -1";
-            }
+        if (is_array($final_result) && count($final_result) > 0) {
+            $where_filter = " AND u.id IN  ('".implode("','", $final_result)."') ";
         } else {
-            if (is_array($final_result) && count($final_result) > 0) {
-                $where_filter = " WHERE u.id IN  ('".implode("','", $final_result)."') ";
-            } else {
-                //no results
-                $where_filter = " WHERE u.id  = -1";
-            }
+            //no results
+            $where_filter = " AND u.id  = -1";
         }
     }
     if (api_is_session_admin() && 'true' === api_get_setting('prevent_session_admins_to_manage_all_users')) {
@@ -508,26 +479,22 @@ if ($ajax_search) {
             $order_clause
         ";
     }
-    if (api_is_multiple_url_enabled()) {
-        $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-        $access_url_id = api_get_current_access_url_id();
-        if (-1 != $access_url_id) {
-            $sql = "
-                SELECT  u.id, lastname, firstname, username, session_id, official_code
-                FROM $tblUser u
-                LEFT JOIN $tblSessionRelUser su
-                    ON su.user_id = u.id
-                    AND su.session_id = $sessionId
-                    AND su.relation_type = ".Session::STUDENT."
-                INNER JOIN $tbl_user_rel_access_url url_user
-                ON (url_user.user_id = u.id)
-                WHERE access_url_id = $access_url_id $where_filter
-                    AND u.status <> ".DRH."
-                    AND u.status<>6
-                $order_clause
-            ";
-        }
-    }
+    $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+    $access_url_id = api_get_current_access_url_id();
+    $sql = "
+        SELECT  u.id, lastname, firstname, username, session_id, official_code
+        FROM $tblUser u
+        LEFT JOIN $tblSessionRelUser su
+            ON su.user_id = u.id
+            AND su.session_id = $sessionId
+            AND su.relation_type = ".Session::STUDENT."
+        INNER JOIN $tbl_user_rel_access_url url_user
+        ON (url_user.user_id = u.id)
+        WHERE access_url_id = $access_url_id $where_filter
+            AND u.status <> ".DRH."
+            AND u.status<>6
+        $order_clause
+    ";
 
     $result = Database::query($sql);
     $users = Database::store_result($result, 'ASSOC');
@@ -545,36 +512,22 @@ if ($ajax_search) {
     unset($users); //clean to free memory
 
     // filling the correct users in list
+    $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+    $access_url_id = api_get_current_access_url_id();
     $sql = "
         SELECT  u.id, lastname, firstname, username, session_id, official_code
         FROM $tblUser u
         LEFT JOIN $tblSessionRelUser
-        ON $tblSessionRelUser.user_id = u.id
+            ON $tblSessionRelUser.user_id = u.id
             AND $tblSessionRelUser.session_id = $sessionId
             AND $tblSessionRelUser.relation_type = ".Session::STUDENT."
-        WHERE u.status <> ".DRH." AND u.status <> 6 $order_clause
+        INNER JOIN $tbl_user_rel_access_url url_user ON (url_user.user_id = u.id)
+        WHERE access_url_id = $access_url_id
+            AND u.status <> ".DRH."
+            AND u.status <> 6
+        $order_clause
     ";
 
-    if (api_is_multiple_url_enabled()) {
-        $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-        $access_url_id = api_get_current_access_url_id();
-        if (-1 != $access_url_id) {
-            $sql = "
-                SELECT  u.id, lastname, firstname, username, session_id, official_code
-                FROM $tblUser u
-                LEFT JOIN $tblSessionRelUser
-                    ON $tblSessionRelUser.user_id = u.id
-                    AND $tblSessionRelUser.session_id = $sessionId
-                    AND $tblSessionRelUser.relation_type = ".Session::STUDENT."
-                INNER JOIN $tbl_user_rel_access_url url_user ON (url_user.user_id = u.id)
-                WHERE access_url_id = $access_url_id
-                    AND u.status <> ".DRH."
-                    AND u.status <> 6
-                $order_clause
-            ";
-        }
-    }
-
     $result = Database::query($sql);
     $users = Database::store_result($result, 'ASSOC');
     foreach ($users as $uid => $user) {
diff --git a/public/main/session/add_users_to_session_course.php b/public/main/session/add_users_to_session_course.php
index 6fcc813052..7e0243ad7f 100644
--- a/public/main/session/add_users_to_session_course.php
+++ b/public/main/session/add_users_to_session_course.php
@@ -186,59 +186,57 @@ function search_users($needle, $type)
                 break;
         }
 
-        if (api_is_multiple_url_enabled()) {
-            $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-            $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                switch ($type) {
-                    case 'single':
-                        $sql = "
-                            SELECT user.id, username, lastname, firstname, official_code
-                            FROM $tbl_user user
-                            INNER JOIN $tbl_user_rel_access_url url_user
+        $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+        $access_url_id = api_get_current_access_url_id();
+        if (-1 != $access_url_id) {
+            switch ($type) {
+                case 'single':
+                    $sql = "
+                        SELECT user.id, username, lastname, firstname, official_code
+                        FROM $tbl_user user
+                        INNER JOIN $tbl_user_rel_access_url url_user
+                        ON (url_user.user_id = user.id)
+                        WHERE
+                            access_url_id = '$access_url_id'
+                            AND (
+                                username LIKE '$needle%'
+                                OR lastname LIKE '$needle%'
+                                OR firstname LIKE '$needle%'
+                            )
+                            AND user.status <> 6
+                            AND user.status <> ".DRH."
+                        $order_clause LIMIT 11
+                    ";
+                    break;
+                case 'multiple':
+                    $sql = "
+                        SELECT user.id, username, lastname, firstname, official_code
+                        FROM $tbl_user user
+                        INNER JOIN $tbl_user_rel_access_url url_user ON (url_user.user_id=user.id)
+                        WHERE
+                            access_url_id = $access_url_id
+                            AND lastname LIKE '$needle%'
+                            AND user.status <> ".DRH."
+                            AND user.status <> 6 $cond_user_id
+                        $order_clause
+                    ";
+                    break;
+                case 'any_session':
+                    $sql = "
+                        SELECT DISTINCT user.id, username, lastname, firstname, official_code
+                        FROM $tbl_user user
+                        LEFT OUTER JOIN $tbl_session_rel_user s
+                            ON (s.user_id = user.id)
+                        INNER JOIN $tbl_user_rel_access_url url_user
                             ON (url_user.user_id = user.id)
-                            WHERE
-                                access_url_id = '$access_url_id'
-                                AND (
-                                    username LIKE '$needle%'
-                                    OR lastname LIKE '$needle%'
-                                    OR firstname LIKE '$needle%'
-                                )
-                                AND user.status <> 6
-                                AND user.status <> ".DRH."
-                            $order_clause LIMIT 11
-                        ";
-                        break;
-                    case 'multiple':
-                        $sql = "
-                            SELECT user.id, username, lastname, firstname, official_code
-                            FROM $tbl_user user
-                            INNER JOIN $tbl_user_rel_access_url url_user ON (url_user.user_id=user.id)
-                            WHERE
-                                access_url_id = $access_url_id
-                                AND lastname LIKE '$needle%'
-                                AND user.status <> ".DRH."
-                                AND user.status <> 6 $cond_user_id
-                            $order_clause
-                        ";
-                        break;
-                    case 'any_session':
-                        $sql = "
-                            SELECT DISTINCT user.id, username, lastname, firstname, official_code
-                            FROM $tbl_user user
-                            LEFT OUTER JOIN $tbl_session_rel_user s
-                                ON (s.user_id = user.id)
-                            INNER JOIN $tbl_user_rel_access_url url_user
-                                ON (url_user.user_id = user.id)
-                            WHERE
-                                access_url_id = $access_url_id
-                                AND s.user_id IS null
-                                AND user.status <> ".DRH."
-                                AND user.status <> 6 $cond_user_id
-                            $order_clause
-                        ";
-                        break;
-                }
+                        WHERE
+                            access_url_id = $access_url_id
+                            AND s.user_id IS null
+                            AND user.status <> ".DRH."
+                            AND user.status <> 6 $cond_user_id
+                        $order_clause
+                    ";
+                    break;
             }
         }
 
@@ -387,47 +385,27 @@ if ('true' === $orderListByOfficialCode) {
 }
 
 if ($ajax_search) {
+    $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+    $access_url_id = api_get_current_access_url_id();
     $sql = "
         SELECT u.id, u.lastname, u.firstname, u.username, su.session_id, u.official_code
-        FROM $tbl_session_rel_user su
+        FROM $tbl_user u
+        INNER JOIN $tbl_session_rel_user su
+        ON
+            su.user_id = u.id AND
+            su.relation_type = ".Session::STUDENT." AND
+            su.session_id = ".intval($id_session)."
+        INNER JOIN $tbl_user_rel_access_url url_user
+        ON (url_user.user_id = u.id)
         INNER JOIN $tableRelSessionCourseUser sc
         ON (sc.session_id = su.session_id AND su.user_id = sc.user_id)
-        INNER JOIN $tbl_user u
-        ON su.user_id = u.id
         WHERE
-            su.session_id = ".intval($id_session)." AND
-            su.relation_type = ".Session::STUDENT." AND
+            access_url_id = $access_url_id AND
             sc.c_id = $courseId AND
-            u.status<>".DRH." AND
+            u.status <> ".DRH." AND
             u.status <> 6
         $order_clause
     ";
-
-    if (api_is_multiple_url_enabled()) {
-        $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-        $access_url_id = api_get_current_access_url_id();
-        if (-1 != $access_url_id) {
-            $sql = "
-                SELECT u.id, u.lastname, u.firstname, u.username, su.session_id, u.official_code
-                FROM $tbl_user u
-                INNER JOIN $tbl_session_rel_user su
-                ON
-                    su.user_id = u.id AND
-                    su.relation_type = ".Session::STUDENT." AND
-                    su.session_id = ".intval($id_session)."
-                INNER JOIN $tbl_user_rel_access_url url_user
-                ON (url_user.user_id = u.id)
-                INNER JOIN $tableRelSessionCourseUser sc
-                ON (sc.session_id = su.session_id AND su.user_id = sc.user_id)
-                WHERE
-                    access_url_id = $access_url_id AND
-                    sc.c_id = $courseId AND
-                    u.status <> ".DRH." AND
-                    u.status <> 6
-                $order_clause
-            ";
-        }
-    }
     $result = Database::query($sql);
     $users = Database::store_result($result);
     foreach ($users as $user) {
@@ -493,20 +471,11 @@ if ($ajax_search) {
             $final_result = $extra_field_result[0];
         }
 
-        if (api_is_multiple_url_enabled()) {
-            if (is_array($final_result) && count($final_result) > 0) {
-                $where_filter = " AND u.id IN  ('".implode("','", $final_result)."') ";
-            } else {
-                //no results
-                $where_filter = " AND u.id  = -1";
-            }
+        if (is_array($final_result) && count($final_result) > 0) {
+            $where_filter = " AND u.id IN  ('".implode("','", $final_result)."') ";
         } else {
-            if (is_array($final_result) && count($final_result) > 0) {
-                $where_filter = " WHERE u.id IN  ('".implode("','", $final_result)."') ";
-            } else {
-                //no results
-                $where_filter = " WHERE u.id  = -1";
-            }
+            //no results
+            $where_filter = " AND u.id  = -1";
         }
     }
     if (api_is_session_admin() && 'true' === api_get_setting('prevent_session_admins_to_manage_all_users')) {
@@ -542,29 +511,25 @@ if ($ajax_search) {
             $order_clause
         ";
     }
-    if (api_is_multiple_url_enabled()) {
-        $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-        $access_url_id = api_get_current_access_url_id();
-        if (-1 != $access_url_id) {
-            $sql = "
-                SELECT  u.id, lastname, firstname, username, su.session_id, official_code
-                FROM $tbl_user u
-                LEFT JOIN $tbl_session_rel_user su
-                    ON su.user_id = u.id
-                    AND su.session_id = $id_session
-                    AND su.relation_type = ".Session::STUDENT."
-                INNER JOIN $tbl_user_rel_access_url url_user
-                ON (url_user.user_id = u.id)
-
-                WHERE
-                    access_url_id = $access_url_id
-                    $where_filter
-                    AND u.status <> ".DRH."
-                    AND u.status<>6
-                $order_clause
-            ";
-        }
-    }
+    $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+    $access_url_id = api_get_current_access_url_id();
+    $sql = "
+        SELECT  u.id, lastname, firstname, username, su.session_id, official_code
+        FROM $tbl_user u
+        LEFT JOIN $tbl_session_rel_user su
+            ON su.user_id = u.id
+            AND su.session_id = $id_session
+            AND su.relation_type = ".Session::STUDENT."
+        INNER JOIN $tbl_user_rel_access_url url_user
+        ON (url_user.user_id = u.id)
+
+        WHERE
+            access_url_id = $access_url_id
+            $where_filter
+            AND u.status <> ".DRH."
+            AND u.status<>6
+        $order_clause
+    ";
 
     $result = Database::query($sql);
     $users = Database::store_result($result, 'ASSOC');
@@ -582,6 +547,8 @@ if ($ajax_search) {
     unset($users); //clean to free memory
 
     // filling the correct users in list
+    $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+    $access_url_id = api_get_current_access_url_id();
     $sql = "
         SELECT  u.id, lastname, firstname, username, su.session_id, official_code
         FROM $tbl_user u
@@ -589,39 +556,18 @@ if ($ajax_search) {
         ON su.user_id = u.id
         AND su.session_id = $id_session
         AND su.relation_type = ".Session::STUDENT."
+        INNER JOIN $tbl_user_rel_access_url url_user
+        ON (url_user.user_id = u.id)
         INNER JOIN $tableRelSessionCourseUser sc
         ON (sc.session_id = su.session_id AND su.user_id = sc.user_id)
         WHERE
             sc.c_id = $courseId AND
-            u.status <> ".DRH." AND u.status <> 6
+            access_url_id = $access_url_id AND
+            u.status <> ".DRH." AND
+            u.status <> 6
         $order_clause
     ";
 
-    if (api_is_multiple_url_enabled()) {
-        $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-        $access_url_id = api_get_current_access_url_id();
-        if (-1 != $access_url_id) {
-            $sql = "
-                SELECT  u.id, lastname, firstname, username, su.session_id, official_code
-                FROM $tbl_user u
-                LEFT JOIN $tbl_session_rel_user su
-                ON su.user_id = u.id
-                AND su.session_id = $id_session
-                AND su.relation_type = ".Session::STUDENT."
-                INNER JOIN $tbl_user_rel_access_url url_user
-                ON (url_user.user_id = u.id)
-                INNER JOIN $tableRelSessionCourseUser sc
-                ON (sc.session_id = su.session_id AND su.user_id = sc.user_id)
-                WHERE
-                    sc.c_id = $courseId AND
-                    access_url_id = $access_url_id AND
-                    u.status <> ".DRH." AND
-                    u.status <> 6
-                $order_clause
-            ";
-        }
-    }
-
     $result = Database::query($sql);
     $users = Database::store_result($result, 'ASSOC');
     foreach ($users as $uid => $user) {
diff --git a/public/main/session/resume_session.php b/public/main/session/resume_session.php
index 1df62218e2..7ed9f93c61 100644
--- a/public/main/session/resume_session.php
+++ b/public/main/session/resume_session.php
@@ -126,11 +126,7 @@ $sessionTitle = Display::page_subheader(get_lang('General properties').$url);
 $sessionField = new ExtraField('session');
 $extraFieldData = $sessionField->getDataAndFormattedValues($sessionId);
 
-$urlList = [];
-$isMultipleUrl = api_is_multiple_url_enabled();
-if ($isMultipleUrl) {
-    $urlList = $session->getUrls();
-}
+$urlList = $session->getUrls();
 
 $url = Display::url(
     Display::getMdiIcon(ActionIcon::ADD, 'ch-tool-icon-gradient', null, 32, get_lang('Add')),
@@ -330,13 +326,11 @@ if (!empty($sessionRelUsers)) {
         );
 
         $addUserToUrlLink = '';
-        /*if ($isMultipleUrl) {
-            if ($user['access_url_id'] != $url_id) {
-                $userLink .= ' '.Display::getMdiIcon(StateIcon::WARNING, 'ch-tool-icon', null, ICON_SIZE_SMALL, get_lang('Users not added to the URL'));
-                $add = Display::getMdiIcon(ActionIcon::ADD, 'ch-tool-icon', null, ICON_SIZE_SMALL, get_lang('Add a userToURL'));
-                $addUserToUrlLink = '<a href="resume_session.php?action=add_user_to_url&id_session='.$sessionId
-                    .'&user_id='.$user['user_id'].'">'.$add.'</a>';
-            }
+        /*if ($user['access_url_id'] != $url_id) {
+            $userLink .= ' '.Display::getMdiIcon(StateIcon::WARNING, 'ch-tool-icon', null, ICON_SIZE_SMALL, get_lang('Users not added to the URL'));
+            $add = Display::getMdiIcon(ActionIcon::ADD, 'ch-tool-icon', null, ICON_SIZE_SMALL, get_lang('Add a userToURL'));
+            $addUserToUrlLink = '<a href="resume_session.php?action=add_user_to_url&id_session='.$sessionId
+                .'&user_id='.$user['user_id'].'">'.$add.'</a>';
         }*/
 
         $editUrl = null;
diff --git a/public/main/session/session_add.php b/public/main/session/session_add.php
index 2738129020..9b90581e5e 100644
--- a/public/main/session/session_add.php
+++ b/public/main/session/session_add.php
@@ -39,35 +39,22 @@ function search_coachs($needle)
         $order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname, username' : ' ORDER BY lastname, firstname, username';
 
         // search users where username or firstname or lastname begins likes $needle
+        $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+        $access_url_id = api_get_current_access_url_id();
         $sql = 'SELECT username, lastname, firstname
-                FROM '.$tbl_user.' user
-                WHERE (username LIKE "'.$needle.'%"
-                OR firstname LIKE "'.$needle.'%"
-                OR lastname LIKE "'.$needle.'%")
+            FROM '.$tbl_user.' user
+            INNER JOIN '.$tbl_user_rel_access_url.' url_user
+            ON (url_user.user_id=user.user_id)
+            WHERE
+                access_url_id = '.$access_url_id.'  AND
+                (
+                    username LIKE "'.$needle.'%" OR
+                    firstname LIKE "'.$needle.'%" OR
+                    lastname LIKE "'.$needle.'%"
+                )
                 AND status=1'.
-            $order_clause.
-            ' LIMIT 10';
-
-        if (api_is_multiple_url_enabled()) {
-            $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-            $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                $sql = 'SELECT username, lastname, firstname
-                        FROM '.$tbl_user.' user
-                        INNER JOIN '.$tbl_user_rel_access_url.' url_user
-                        ON (url_user.user_id=user.user_id)
-                        WHERE
-                            access_url_id = '.$access_url_id.'  AND
-                            (
-                                username LIKE "'.$needle.'%" OR
-                                firstname LIKE "'.$needle.'%" OR
-                                lastname LIKE "'.$needle.'%"
-                            )
-                            AND status=1'.
-                    $order_clause.'
-                        LIMIT 10';
-            }
-        }
+            $order_clause.'
+            LIMIT 10';
 
         $rs = Database::query($sql);
         while ($user = Database :: fetch_array($rs)) {
diff --git a/public/main/session/session_course_edit.php b/public/main/session/session_course_edit.php
index 57cf22a2fb..beb2826e08 100644
--- a/public/main/session/session_course_edit.php
+++ b/public/main/session/session_course_edit.php
@@ -113,26 +113,17 @@ if (isset($_POST['formSent']) && $_POST['formSent']) {
 
 $order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname, username' : ' ORDER BY lastname, firstname, username';
 
-if (api_is_multiple_url_enabled()) {
-    $tbl_access_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-    $access_url_id = api_get_current_access_url_id();
-    $sql = "SELECT u.id as user_id,lastname,firstname,username
-            FROM $tblUser u
-            LEFT JOIN $tbl_access_rel_user  a
-            ON(u.id= a.user_id)
-            WHERE
-                status='1' AND
-                active = 1 AND
-                access_url_id = $access_url_id ".
-            $order_clause;
-} else {
-    $sql = "SELECT id as user_id,lastname,firstname,username
-            FROM $tblUser
-            WHERE
-                status = '1' AND
-                active = 1 ".
-            $order_clause;
-}
+$tbl_access_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+$access_url_id = api_get_current_access_url_id();
+$sql = "SELECT u.id as user_id,lastname,firstname,username
+    FROM $tblUser u
+    LEFT JOIN $tbl_access_rel_user  a
+    ON(u.id= a.user_id)
+    WHERE
+        status='1' AND
+        active = 1 AND
+        access_url_id = $access_url_id ".
+    $order_clause;
 
 $result = Database::query($sql);
 $coaches = Database::store_result($result);
diff --git a/public/main/session/session_export.php b/public/main/session/session_export.php
index 685bf7cec6..9b16e6c638 100644
--- a/public/main/session/session_export.php
+++ b/public/main/session/session_export.php
@@ -39,36 +39,24 @@ if (isset($_POST['formSent'])) {
     $file_type = isset($_POST['file_type']) ? $_POST['file_type'] : 'csv';
     $session_id = $_POST['session_id'];
     if (empty($session_id)) {
+        $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
+        $access_url_id = api_get_current_access_url_id();
         $sql = "SELECT
-                    s.id,
-                    s.title,
-                    u.username,
-                    s.access_start_date,
-                    s.access_end_date,
-                    s.visibility,
-                    s.session_category_id
-                FROM $tblSession s
-                INNER JOIN $tblSessionRelUser sru
-                    ON (s.id = sru.session_id AND sru.relation_type = ".Session::GENERAL_COACH.")
-                INNER JOIN $tblUser u
-                ON u.id = sru.user_id
-                ORDER BY s.id";
-
-        if (api_is_multiple_url_enabled()) {
-            $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
-            $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                $sql = "SELECT s.id, s.title, u.username,s.access_start_date,s.access_end_date,s.visibility,s.session_category_id
-                    FROM $tblSession s
-                    INNER JOIN $tbl_session_rel_access_url as session_rel_url
-                    ON (s.id= session_rel_url.session_id)
-                    INNER JOIN $tblSessionRelUser sru
-                        ON (s.id = sru.session_id AND sru.relation_type = ".Session::GENERAL_COACH.")
-                    INNER JOIN $tblUser u ON (u.id = sru.user_id)
-                    WHERE session_rel_url.access_url_id = $access_url_id
-                    ORDER BY s.id";
-            }
-        }
+                s.id,
+                s.title,
+                u.username,
+                s.access_start_date,
+                s.access_end_date,
+                s.visibility,
+                s.session_category_id
+            FROM $tblSession s
+            INNER JOIN $tbl_session_rel_access_url as session_rel_url
+            ON (s.id= session_rel_url.session_id)
+            INNER JOIN $tblSessionRelUser sru
+                ON (s.id = sru.session_id AND sru.relation_type = ".Session::GENERAL_COACH.")
+            INNER JOIN $tblUser u ON (u.id = sru.user_id)
+            WHERE session_rel_url.access_url_id = $access_url_id
+            ORDER BY s.id";
 
         $result = Database::query($sql);
     } else {
@@ -278,19 +266,13 @@ if (isset($_POST['formSent'])) {
 Display::display_header($tool_name);
 
 //select of sessions
-$sql = "SELECT id, title FROM $tblSession ORDER BY title";
-
-if (api_is_multiple_url_enabled()) {
-    $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
-    $access_url_id = api_get_current_access_url_id();
-    if (-1 != $access_url_id) {
-        $sql = "SELECT s.id, title FROM $tblSession s
-                INNER JOIN $tbl_session_rel_access_url as session_rel_url
-                ON (s.id = session_rel_url.session_id)
-                WHERE access_url_id = $access_url_id
-                ORDER BY title";
-    }
-}
+$tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
+$access_url_id = api_get_current_access_url_id();
+$sql = "SELECT s.id, title FROM $tblSession s
+    INNER JOIN $tbl_session_rel_access_url as session_rel_url
+    ON (s.id = session_rel_url.session_id)
+    WHERE access_url_id = $access_url_id
+    ORDER BY title";
 $result = Database::query($sql);
 $sessions = Database::store_result($result);
 
diff --git a/public/main/session/session_import.php b/public/main/session/session_import.php
index 6fe3697135..b8e55c7fea 100644
--- a/public/main/session/session_import.php
+++ b/public/main/session/session_import.php
@@ -376,13 +376,8 @@ if (isset($_POST['formSent']) && $_POST['formSent']) {
                         }
 
                         // Associate the session with access_url.
-                        if (api_is_multiple_url_enabled()) {
-                            $accessUrlId = api_get_current_access_url_id();
-                            UrlManager::add_session_to_url($sessionId, $accessUrlId);
-                        } else {
-                            // We fill by default the access_url_rel_session table.
-                            UrlManager::add_session_to_url($sessionId, 1);
-                        }
+                        $accessUrlId = api_get_current_access_url_id();
+                        UrlManager::add_session_to_url($sessionId, $accessUrlId);
 
                         // Adding users to the new session.
                         foreach ($nodeSession->User as $nodeUser) {
diff --git a/public/main/user/add_users_to_session.php b/public/main/user/add_users_to_session.php
index fd90d17c01..8fdf946515 100644
--- a/public/main/user/add_users_to_session.php
+++ b/public/main/user/add_users_to_session.php
@@ -112,20 +112,28 @@ if ('true' === $allowTutors) {
                 }
             }
 
+            $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+            $access_url_id = api_get_current_access_url_id();
             switch ($type) {
                 case 'single':
                     // search users where username or firstname or lastname begins likes $needle
                     $sql = 'SELECT user.user_id, username, lastname, firstname
                             FROM '.$tbl_user.' user
+                            INNER JOIN '.$tbl_user_rel_access_url.' url_user
+                            ON (url_user.user_id=user.user_id)
                             WHERE user.active <> '.USER_SOFT_DELETED.' AND (username LIKE "'.$needle.'%" OR firstname LIKE "'.$needle.'%"
-                                OR lastname LIKE "'.$needle.'%") AND user.status<>6 AND user.status<>'.DRH.''.
+                                OR lastname LIKE "'.$needle.'%") AND user.status<>6 AND user.status<>'.DRH.' 
+                                AND access_url_id = '.$access_url_id.
                                 $order_clause.
-                                ' LIMIT 11';
+                            ' LIMIT 11';
                     break;
                 case 'multiple':
                     $sql = 'SELECT user.user_id, username, lastname, firstname
                             FROM '.$tbl_user.' user
+                            INNER JOIN '.$tbl_user_rel_access_url.' url_user
+                            ON (url_user.user_id=user.user_id)
                             WHERE user.active <> '.USER_SOFT_DELETED.' AND '.(api_sort_by_first_name() ? 'firstname' : 'lastname').'
+                            AND access_url_id = '.$access_url_id.' AND
                             LIKE "'.$needle.'%" AND
                             user.status<>'.DRH.' AND
                             user.status<>6 '.$cond_user_id.
@@ -135,62 +143,17 @@ if ('true' === $allowTutors) {
                     $sql = 'SELECT DISTINCT user.user_id, username, lastname, firstname
                             FROM '.$tbl_user.' user
                             LEFT OUTER JOIN '.$tbl_session_rel_user.' s ON (s.user_id = user.user_id)
+                            INNER JOIN '.$tbl_user_rel_access_url.' url_user ON (url_user.user_id=user.user_id)
                             WHERE
                                 user.active <> '.USER_SOFT_DELETED.' AND
-                                s.user_id IS NULL AND
-                                user.status <>'.DRH.' AND
-                                user.status <> 6 '.$cond_user_id.
-                            $order_clause;
+                                access_url_id = '.$access_url_id.' AND
+                                s.user_id IS null AND
+                                user.status<>'.DRH.' AND
+                                user.status<>6 '.$cond_user_id.
+                    $order_clause;
                     break;
             }
 
-            if (api_is_multiple_url_enabled()) {
-                $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-                $access_url_id = api_get_current_access_url_id();
-                if (-1 != $access_url_id) {
-                    switch ($type) {
-                        case 'single':
-                            $sql = 'SELECT user.user_id, username, lastname, firstname
-                                    FROM '.$tbl_user.' user
-                                    INNER JOIN '.$tbl_user_rel_access_url.' url_user
-                                    ON (url_user.user_id=user.user_id)
-                                    WHERE
-                                        user.active <> '.USER_SOFT_DELETED.' AND
-                                        access_url_id = '.$access_url_id.' AND
-                                        (username LIKE "'.$needle.'%" OR firstname LIKE "'.$needle.'%" OR lastname LIKE "'.$needle.'%") AND
-                                        user.status<>6 AND
-                                        user.status<>'.DRH.' '.
-                                    $order_clause.
-                                    ' LIMIT 11';
-                            break;
-                        case 'multiple':
-                            $sql = 'SELECT user.user_id, username, lastname, firstname
-                                    FROM '.$tbl_user.' user
-                                    INNER JOIN '.$tbl_user_rel_access_url.' url_user
-                                    ON (url_user.user_id=user.user_id)
-                                    WHERE user.active <> '.USER_SOFT_DELETED.' AND access_url_id = '.$access_url_id.' AND
-                                    '.(api_sort_by_first_name() ? 'firstname' : 'lastname').' LIKE "'.$needle.'%" AND user.status<>'.DRH.' AND user.status<>6 '.$cond_user_id.
-                                    $order_clause;
-                            break;
-                        case 'any_session':
-                            $sql = 'SELECT DISTINCT user.user_id, username, lastname, firstname
-                                    FROM '.$tbl_user.' user
-                                    LEFT OUTER JOIN '.$tbl_session_rel_user.' s
-                                    ON (s.user_id = user.user_id)
-                                    INNER JOIN '.$tbl_user_rel_access_url.' url_user
-                                    ON (url_user.user_id=user.user_id)
-                                    WHERE
-                                        user.active <> '.USER_SOFT_DELETED.' AND
-                                        access_url_id = '.$access_url_id.' AND
-                                        s.user_id IS null AND
-                                        user.status<>'.DRH.' AND
-                                        user.status<>6 '.$cond_user_id.
-                            $order_clause;
-                            break;
-                    }
-                }
-            }
-
             $rs = Database::query($sql);
             $i = 0;
             if ('single' === $type) {
@@ -292,32 +255,18 @@ if ('true' === $allowTutors) {
 
     $order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname, username' : ' ORDER BY lastname, firstname, username';
     if ($ajax_search) {
+        $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+        $access_url_id = api_get_current_access_url_id();
         $sql = "SELECT u.id as user_id, lastname, firstname, username, session_id
-                FROM $tbl_user u
-                INNER JOIN $tbl_session_rel_user
-                ON
-                    $tbl_session_rel_user.user_id = u.id AND
-                    $tbl_session_rel_user.relation_type = ".Session::STUDENT." AND
-                    $tbl_session_rel_user.session_id = ".intval($id_session)."
-                WHERE u.active <> ".USER_SOFT_DELETED." AND u.status <> ".DRH." AND u.status<>6 $order_clause";
-
-        if (api_is_multiple_url_enabled()) {
-            $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-            $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                $sql = "SELECT u.id as user_id, lastname, firstname, username, session_id
-                        FROM $tbl_user u
-                        INNER JOIN $tbl_session_rel_user
-                        ON
-                            $tbl_session_rel_user.user_id = u.id AND
-                            $tbl_session_rel_user.relation_type = ".Session::STUDENT." AND
-                            $tbl_session_rel_user.session_id = ".intval($id_session)."
-                        INNER JOIN $tbl_user_rel_access_url url_user
-                        ON (url_user.user_id=u.user_id)
-                        WHERE u.active <> ".USER_SOFT_DELETED." AND access_url_id = $access_url_id AND u.status<>".DRH." AND u.status<>6
-                    $order_clause";
-            }
-        }
+            FROM $tbl_user u
+            INNER JOIN $tbl_session_rel_user
+            ON
+                $tbl_session_rel_user.user_id = u.id AND
+                $tbl_session_rel_user.relation_type = ".Session::STUDENT." AND
+                $tbl_session_rel_user.session_id = ".intval($id_session)."
+            INNER JOIN $tbl_user_rel_access_url url_user
+            ON (url_user.user_id=u.user_id)
+            WHERE u.active <> ".USER_SOFT_DELETED." AND u.status<>".DRH." AND u.status<>6 AND access_url_id = $access_url_id $order_clause";
         $result = Database::query($sql);
         $users = Database::store_result($result);
         foreach ($users as $user) {
@@ -345,6 +294,8 @@ if ('true' === $allowTutors) {
             }
         }
 
+        $where_filter = '';
+
         if ($use_extra_fields) {
             $final_result = [];
             if (count($extra_field_result) > 1) {
@@ -360,60 +311,25 @@ if ('true' === $allowTutors) {
                 $final_result = $extra_field_result[0];
             }
 
-            $where_filter = '';
-            if (api_is_multiple_url_enabled()) {
-                if (is_array($final_result) && count($final_result) > 0) {
-                    $where_filter = " AND u.id IN  ('".implode("','", $final_result)."') ";
-                } else {
-                    //no results
-                    $where_filter = " AND u.id = -1";
-                }
+            if (is_array($final_result) && count($final_result) > 0) {
+                $where_filter = " AND u.id IN  ('".implode("','", $final_result)."') ";
             } else {
-                if (is_array($final_result) && count($final_result) > 0) {
-                    $where_filter = " WHERE u.id IN  ('".implode("','", $final_result)."') ";
-                } else {
-                    //no results
-                    $where_filter = " WHERE u.id = -1";
-                }
+                //no results
+                $where_filter = " AND u.id = -1";
             }
         }
 
-        if ($use_extra_fields) {
-            $sql = "SELECT u.id as user_id, lastname, firstname, username, session_id
-                    FROM $tbl_user u
-                    LEFT JOIN $tbl_session_rel_user
-                    ON $tbl_session_rel_user.user_id = u.id AND
-                    $tbl_session_rel_user.session_id = '$id_session' AND
-                    $tbl_session_rel_user.relation_type = ".Session::STUDENT."
-                    $where_filter AND u.status<>".DRH." AND u.status<>6 AND u.active <> ".USER_SOFT_DELETED."
-                    $order_clause";
-        } else {
-            $sql = "SELECT u.id as user_id, lastname, firstname, username, session_id
-                    FROM $tbl_user u
-                    LEFT JOIN $tbl_session_rel_user
-                    ON $tbl_session_rel_user.user_id = u.id AND
-                    $tbl_session_rel_user.session_id = '$id_session' AND
-                    $tbl_session_rel_user.relation_type = ".Session::STUDENT."
-                    WHERE u.status <> ".DRH." AND u.status<>6 AND u.active <> ".USER_SOFT_DELETED."
-                    $order_clause";
-        }
-
-        if (api_is_multiple_url_enabled()) {
-            $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-            $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                $sql = "SELECT u.id as user_id, lastname, firstname, username, session_id
-                        FROM $tbl_user u
-                        LEFT JOIN $tbl_session_rel_user
-                        ON
-                            $tbl_session_rel_user.user_id = u.id AND
-                            $tbl_session_rel_user.session_id = '$id_session' AND
-                            $tbl_session_rel_user.relation_type = ".Session::STUDENT."
-                        INNER JOIN $tbl_user_rel_access_url url_user ON (url_user.user_id=u.user_id)
-                        WHERE access_url_id = $access_url_id  $where_filter AND u.status<>".DRH." AND u.status<>6 AND u.active <> ".USER_SOFT_DELETED."
-                        $order_clause";
-            }
-        }
+        $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+        $access_url_id = api_get_current_access_url_id();
+        $sql = "SELECT u.id as user_id, lastname, firstname, username, session_id
+                FROM $tbl_user u
+                LEFT JOIN $tbl_session_rel_user
+                ON $tbl_session_rel_user.user_id = u.id AND
+                $tbl_session_rel_user.session_id = '$id_session' AND
+                $tbl_session_rel_user.relation_type = ".Session::STUDENT."
+                INNER JOIN $tbl_user_rel_access_url url_user ON (url_user.user_id=u.user_id)
+                WHERE access_url_id = $access_url_id  $where_filter AND u.status<>".DRH." AND u.status<>6 AND u.active <> ".USER_SOFT_DELETED."
+                $order_clause";
 
         $result = Database::query($sql);
         $users = Database::store_result($result, 'ASSOC');
@@ -431,31 +347,17 @@ if ('true' === $allowTutors) {
         unset($users); //clean to free memory
 
         //filling the correct users in list
-        $sql = "SELECT  user_id, lastname, firstname, username, session_id
+        $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+        $access_url_id = api_get_current_access_url_id();
+        $sql = "SELECT u.id as user_id, lastname, firstname, username, session_id
                 FROM $tbl_user u
                 LEFT JOIN $tbl_session_rel_user
                 ON
                     $tbl_session_rel_user.user_id = u.id AND
                     $tbl_session_rel_user.session_id = '$id_session' AND
                     $tbl_session_rel_user.relation_type = ".Session::STUDENT."
-                WHERE u.active <> ".USER_SOFT_DELETED." AND u.status <> ".DRH." AND u.status<>6 $order_clause";
-
-        if (api_is_multiple_url_enabled()) {
-            $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-            $access_url_id = api_get_current_access_url_id();
-            if (-1 != $access_url_id) {
-                $sql = "SELECT u.id as user_id, lastname, firstname, username, session_id
-                        FROM $tbl_user u
-                        LEFT JOIN $tbl_session_rel_user
-                        ON
-                            $tbl_session_rel_user.user_id = u.id AND
-                            $tbl_session_rel_user.session_id = '$id_session' AND
-                            $tbl_session_rel_user.relation_type = ".Session::STUDENT."
-                        INNER JOIN $tbl_user_rel_access_url url_user ON (url_user.user_id=u.user_id)
-                        WHERE u.active <> ".USER_SOFT_DELETED." AND access_url_id = $access_url_id AND u.status<>".DRH." AND u.status<>6
-                    $order_clause";
-            }
-        }
+                INNER JOIN $tbl_user_rel_access_url url_user ON (url_user.user_id=u.user_id)
+                WHERE u.active <> ".USER_SOFT_DELETED." AND access_url_id = $access_url_id AND u.status<>".DRH." AND u.status<>6 $order_clause";
         $result = Database::query($sql);
         $users = Database::store_result($result, 'ASSOC');
         foreach ($users as $uid => $user) {
diff --git a/public/main/user/subscribe_user.php b/public/main/user/subscribe_user.php
index eefb2eddff..bad8b20220 100644
--- a/public/main/user/subscribe_user.php
+++ b/public/main/user/subscribe_user.php
@@ -230,10 +230,12 @@ function get_number_of_users()
     $course_user_table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
     $tbl_session_rel_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
     $table_user_field_values = Database::get_main_table(TABLE_EXTRA_FIELD_VALUES);
+    $tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
 
     $courseCode = api_get_course_id();
     $sessionId = api_get_session_id();
     $courseId = api_get_course_int_id();
+    $url_access_id = api_get_current_access_url_id();
 
     $studentRoleFilter = " AND (
         u.roles LIKE '%ROLE_STUDENT%'
@@ -254,63 +256,28 @@ function get_number_of_users()
                     LEFT JOIN $tbl_session_rel_course_user cu
                     ON
                         u.id = cu.user_id AND
-                        c_id = $courseId AND
+                        cu.c_id = $courseId AND
                         session_id = $sessionId
+                    INNER JOIN  $tbl_url_rel_user as url_rel_user ON (url_rel_user.user_id = u.id)
                     WHERE
                         u.active <> ".USER_SOFT_DELETED." AND
-                        cu.user_id IS NULL
+                        cu.user_id IS NULL AND
+                        access_url_id = $url_access_id
                         $teacherRoleFilter AND
-                        (u.official_code <> 'ADMIN' OR u.official_code IS NULL) ";
-
-            if (api_is_multiple_url_enabled()) {
-                $url_access_id = api_get_current_access_url_id();
-                if (-1 != $url_access_id) {
-                    $tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-                    $sql = "SELECT COUNT(u.id)
-                            FROM $user_table u
-                            LEFT JOIN $tbl_session_rel_course_user cu
-                            ON
-                                u.id = cu.user_id AND cu.c_id = $courseId AND
-                                session_id = $sessionId
-                            INNER JOIN  $tbl_url_rel_user as url_rel_user
-                            ON (url_rel_user.user_id = u.id)
-                            WHERE
-                                u.active <> ".USER_SOFT_DELETED." AND
-                                cu.user_id IS NULL AND
-                                access_url_id = $url_access_id
-                                $teacherRoleFilter AND
-                                (u.official_code <> 'ADMIN' OR u.official_code IS NULL)
-                            ";
-                }
-            }
+                        (u.official_code <> 'ADMIN' OR u.official_code IS NULL)
+                    ";
         } else {
             $sql = "SELECT COUNT(u.id)
-                    FROM $user_table u
-                    LEFT JOIN $course_user_table cu
-                    ON u.id = cu.user_id and c_id = $courseId
-                    WHERE
-                          u.active <> ".USER_SOFT_DELETED." AND
-                          cu.user_id IS NULL
-                          $teacherRoleFilter  ";
-
-            if (api_is_multiple_url_enabled()) {
-                $url_access_id = api_get_current_access_url_id();
-                if (-1 != $url_access_id) {
-                    $tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-
-                    $sql = "SELECT COUNT(u.id)
-                        FROM $user_table u
-                        LEFT JOIN $course_user_table cu
-                        ON u.id = cu.user_id AND c_id = $courseId
-                        INNER JOIN  $tbl_url_rel_user as url_rel_user
-                        ON (url_rel_user.user_id = u.id)
-                        WHERE
-                            u.active <> ".USER_SOFT_DELETED." AND
-                            cu.user_id IS NULL
-                            $teacherRoleFilter AND
-                            access_url_id = $url_access_id ";
-                }
-            }
+                FROM $user_table u
+                LEFT JOIN $course_user_table cu
+                ON u.id = cu.user_id AND c_id = $courseId
+                INNER JOIN  $tbl_url_rel_user as url_rel_user
+                ON (url_rel_user.user_id = u.id)
+                WHERE
+                    u.active <> ".USER_SOFT_DELETED." AND
+                    cu.user_id IS NULL
+                    $teacherRoleFilter AND
+                    access_url_id = $url_access_id ";
         }
     } else {
         // students
@@ -322,42 +289,24 @@ function get_number_of_users()
                         u.id = cu.user_id AND
                         c_id = $courseId AND
                         session_id = $sessionId
+                    INNER JOIN $tbl_url_rel_user as url_rel_user
+                    ON (url_rel_user.user_id = u.id)
                     WHERE
                         u.active <> ".USER_SOFT_DELETED." AND
                         cu.user_id IS NULL
                         $studentRoleFilter AND
+                        access_url_id = $url_access_id AND
                         (u.official_code <> 'ADMIN' OR u.official_code IS NULL) ";
-
-            if (api_is_multiple_url_enabled()) {
-                $url_access_id = api_get_current_access_url_id();
-                if (-1 != $url_access_id) {
-                    $tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-                    $sql = "SELECT COUNT(u.id)
-                            FROM $user_table u
-                            LEFT JOIN $tbl_session_rel_course_user cu
-                            ON
-                                u.id = cu.user_id AND
-                                c_id = $courseId AND
-                                session_id = $sessionId
-                            INNER JOIN $tbl_url_rel_user as url_rel_user
-                            ON (url_rel_user.user_id = u.id)
-                            WHERE
-                                u.active <> ".USER_SOFT_DELETED." AND
-                                cu.user_id IS NULL
-                                $studentRoleFilter AND
-                                access_url_id = $url_access_id AND
-                                (u.official_code <> 'ADMIN' OR u.official_code IS NULL) ";
-                }
-            }
         } else {
+
             $sql = "SELECT COUNT(u.id)
                     FROM $user_table u
                     LEFT JOIN $course_user_table cu
-                    ON u.id = cu.user_id AND c_id = $courseId";
+                    ON u.id = cu.user_id AND c_id = $courseId
+                    INNER JOIN $tbl_url_rel_user as url_rel_user ON (url_rel_user.user_id = u.id)";
 
             // we change the SQL when we have a filter
-            if (isset($_GET['subscribe_user_filter_value']) &&
-                !empty($_GET['subscribe_user_filter_value']) &&
+            if (!empty($_GET['subscribe_user_filter_value']) &&
                 'true' === api_get_setting('profiling_filter_adding_users')
             ) {
                 $field_identification = explode('*', $_GET['subscribe_user_filter_value']);
@@ -374,23 +323,7 @@ function get_number_of_users()
                 $sql .= " WHERE cu.user_id IS NULL $studentRoleFilter ";
             }
 
-            if (api_is_multiple_url_enabled()) {
-                $url_access_id = api_get_current_access_url_id();
-
-                if (-1 != $url_access_id) {
-                    $tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-                    $sql = "SELECT COUNT(u.id)
-                            FROM $user_table u
-                            LEFT JOIN $course_user_table cu
-                            ON u.id = cu.user_id AND c_id = $courseId
-                            INNER JOIN $tbl_url_rel_user as url_rel_user
-                            ON (url_rel_user.user_id = u.id)
-                            WHERE
-                                  cu.user_id IS NULL AND
-                                  access_url_id = $url_access_id
-                                  $studentRoleFilter ";
-                }
-            }
+            $sql .= " AND access_url_id = $url_access_id";
         }
     }
 
@@ -529,14 +462,16 @@ function get_user_data($from, $number_of_items, $column, $direction)
             }
             $sql .= " AND access_url_id = $url_access_id";
         } else {
-            // adding a teacher NOT through a session
+            // adding a teacher NOT through a session on a portal with multiple URLs
             $sql = "SELECT $select_fields
                     FROM $user_table u
                     LEFT JOIN $course_user_table cu
-                    ON u.id = cu.user_id AND c_id = $courseId";
+                    ON (u.id = cu.user_id AND c_id = $courseId)
+                    INNER JOIN $tbl_url_rel_user as url_rel_user
+                    ON (url_rel_user.user_id = u.id) ";
+
             // applying the filter of the additional user profile fields
-            if (isset($_GET['subscribe_user_filter_value']) &&
-                !empty($_GET['subscribe_user_filter_value']) &&
+            if (!empty($_GET['subscribe_user_filter_value']) &&
                 'true' === api_get_setting('profiling_filter_adding_users')
             ) {
                 $field_identification = explode('*', $_GET['subscribe_user_filter_value']);
@@ -545,45 +480,17 @@ function get_user_data($from, $number_of_items, $column, $direction)
                         ON field_values.item_id = u.id
                     WHERE
                         cu.user_id IS NULL
-                        $studentRoleFilter AND
+                        $teacherRoleFilter AND
                         field_values.field_id = '".intval($field_identification[0])."' AND
                         field_values.value = '".Database::escape_string($field_identification[1])."'";
             } else {
-                $sql .= " WHERE cu.user_id IS NULL $teacherRoleFilter";
+                $sql .= " WHERE
+                    cu.user_id IS NULL
+                    $teacherRoleFilter AND
+                    access_url_id = $url_access_id ";
             }
 
-            // adding a teacher NOT through a session on a portal with multiple URLs
-            if (api_is_multiple_url_enabled()) {
-                if (-1 != $url_access_id) {
-                    $sql = "SELECT $select_fields
-                            FROM $user_table u
-                            LEFT JOIN $course_user_table cu
-                            ON (u.id = cu.user_id AND c_id = $courseId)
-                            INNER JOIN $tbl_url_rel_user as url_rel_user
-                            ON (url_rel_user.user_id = u.id) ";
-
-                    // applying the filter of the additional user profile fields
-                    if (isset($_GET['subscribe_user_filter_value']) &&
-                        !empty($_GET['subscribe_user_filter_value']) &&
-                        'true' === api_get_setting('profiling_filter_adding_users')
-                    ) {
-                        $field_identification = explode('*', $_GET['subscribe_user_filter_value']);
-                        $sql .= "
-                            LEFT JOIN $table_user_field_values field_values
-                                ON field_values.item_id = u.id
-                            WHERE
-                                cu.user_id IS NULL
-                                $teacherRoleFilter AND
-                                field_values.field_id = '".intval($field_identification[0])."' AND
-                                field_values.value = '".Database::escape_string($field_identification[1])."'";
-                    } else {
-                        $sql .= " WHERE
-                                    cu.user_id IS NULL
-                                    $teacherRoleFilter AND
-                                    access_url_id = $url_access_id ";
-                    }
-                }
-            }
+            $sql .= " AND access_url_id = $url_access_id ";
         }
     } else {
         // adding a student
@@ -594,12 +501,9 @@ function get_user_data($from, $number_of_items, $column, $direction)
                     ON
                         u.id = cu.user_id AND
                         c_id = $courseId AND
-                        session_id = $sessionId ";
-
-            if (api_is_multiple_url_enabled()) {
-                $sql .= " INNER JOIN $tbl_url_rel_user as url_rel_user
-                          ON (url_rel_user.user_id = u.id) ";
-            }
+                        session_id = $sessionId
+                    INNER JOIN $tbl_url_rel_user as url_rel_user
+                    ON (url_rel_user.user_id = u.id) ";
 
             // applying the filter of the additional user profile fields
             if (isset($_GET['subscribe_user_filter_value']) &&
@@ -621,65 +525,33 @@ function get_user_data($from, $number_of_items, $column, $direction)
                             $studentRoleFilter AND
                             (u.official_code <> 'ADMIN' OR u.official_code IS NULL) ";
             }
-            if (api_is_multiple_url_enabled()) {
-                $sql .= " AND access_url_id = $url_access_id";
-            }
+            $sql .= " AND access_url_id = $url_access_id";
         } else {
+            //showing only the courses of the current Chamilo access_url_id
             $sql = "SELECT $select_fields
-                    FROM $user_table u
-                    LEFT JOIN $course_user_table cu
-                    ON
-                        u.id = cu.user_id AND
-                        c_id = $courseId ";
+                FROM $user_table u
+                LEFT JOIN $course_user_table cu
+                ON u.id = cu.user_id AND c_id = $courseId
+                INNER JOIN $tbl_url_rel_user as url_rel_user
+                ON (url_rel_user.user_id = u.id) ";
 
             // applying the filter of the additional user profile fields
-            if (isset($_GET['subscribe_user_filter_value']) && !empty($_GET['subscribe_user_filter_value'])) {
+            if (!empty($_GET['subscribe_user_filter_value']) &&
+                'true' === api_get_setting('profiling_filter_adding_users')
+            ) {
                 $field_identification = explode('*', $_GET['subscribe_user_filter_value']);
                 $sql .= "
                     LEFT JOIN $table_user_field_values field_values
-                        ON field_values.item_id = u.id
+                    ON field_values.item_id = u.id
                     WHERE
                         cu.user_id IS NULL
                         $studentRoleFilter AND
                         field_values.field_id = '".intval($field_identification[0])."' AND
-                        field_values.value = '".Database::escape_string($field_identification[1])."'";
+                        field_values.value = '".Database::escape_string($field_identification[1])."' AND
+                        access_url_id = $url_access_id
+                    ";
             } else {
-                $sql .= " WHERE cu.user_id IS NULL $studentRoleFilter ";
-            }
-
-            //showing only the courses of the current Chamilo access_url_id
-            if (api_is_multiple_url_enabled()) {
-                if (-1 != $url_access_id) {
-                    $sql = "SELECT $select_fields
-                        FROM $user_table u
-                        LEFT JOIN $course_user_table cu
-                        ON u.id = cu.user_id AND c_id = $courseId
-                        INNER JOIN $tbl_url_rel_user as url_rel_user
-                        ON (url_rel_user.user_id = u.id) ";
-
-                    // applying the filter of the additional user profile fields
-                    if (isset($_GET['subscribe_user_filter_value']) &&
-                        !empty($_GET['subscribe_user_filter_value']) &&
-                        'true' === api_get_setting('profiling_filter_adding_users')
-                    ) {
-                        $field_identification = explode('*', $_GET['subscribe_user_filter_value']);
-                        $sql .= "
-                            LEFT JOIN $table_user_field_values field_values
-                            ON field_values.item_id = u.id
-                            WHERE
-                                cu.user_id IS NULL
-                                $studentRoleFilter AND
-                                field_values.field_id = '".intval($field_identification[0])."' AND
-                                field_values.value = '".Database::escape_string($field_identification[1])."' AND
-                                access_url_id = $url_access_id
-                            ";
-                    } else {
-                        $sql .= " WHERE
-                            cu.user_id IS NULL
-                            $studentRoleFilter AND
-                            access_url_id = $url_access_id ";
-                    }
-                }
+                $sql .= " WHERE cu.user_id IS NULL $studentRoleFilter AND access_url_id = $url_access_id ";
             }
         }
     }
diff --git a/public/main/user/user.php b/public/main/user/user.php
index a21a9d6268..66e24f08c0 100644
--- a/public/main/user/user.php
+++ b/public/main/user/user.php
@@ -228,19 +228,12 @@ if (isset($_GET['action'])) {
                             active
                             $legal
                         FROM $table_session_course_user as session_course_user,
-                        $table_users as user ";
-                if (api_is_multiple_url_enabled()) {
-                    $sql .= ' , '.Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER).' au ';
-                }
-                $sql .= "
+                        $table_users as user, "
+                    .Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER)." au
                     WHERE user.active <> ".USER_SOFT_DELETED." AND c_id = $courseId
                         AND session_course_user.user_id = user.id
                         AND session_id = $sessionId
-                ";
-
-                if (api_is_multiple_url_enabled()) {
-                    $sql .= " AND user.id = au.user_id AND access_url_id =  $current_access_url_id  ";
-                }
+                        AND user.id = au.user_id AND access_url_id =  $current_access_url_id  ";
 
                 // only users no coaches/teachers
                 if (COURSEMANAGER == $type) {
@@ -316,19 +309,14 @@ if (isset($_GET['action'])) {
                             phone,
                             user.official_code,
                             active $legal
-                        FROM $table_course_user as course_user, $table_users as user ";
-                if (api_is_multiple_url_enabled()) {
-                    $sql .= ' , '.Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER).' au ';
-                }
-                $sql .= " WHERE
+                        FROM $table_course_user as course_user, $table_users as user,
+                        ".Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER)." au
+                    WHERE
                         user.active <> ".USER_SOFT_DELETED." AND
                         c_id = '$courseId' AND
                         course_user.relation_type <> ".COURSE_RELATION_TYPE_RRHH." AND
-                        course_user.user_id = user.id ";
-
-                if (api_is_multiple_url_enabled()) {
-                    $sql .= " AND user.id = au.user_id  AND access_url_id =  $current_access_url_id  ";
-                }
+                        course_user.user_id = user.id
+                        AND user.id = au.user_id  AND access_url_id =  $current_access_url_id  ";
 
                 // only users no teachers/coaches
                 if (COURSEMANAGER == $type) {
diff --git a/public/main/user/user_export.php b/public/main/user/user_export.php
index 5757a5671d..5aff63edc7 100644
--- a/public/main/user/user_export.php
+++ b/public/main/user/user_export.php
@@ -47,17 +47,11 @@ if (is_array($courseSessionValue) && isset($courseSessionValue[1])) {
     $sessionInfo = api_get_session_info($sessionId);
 }
 
-$extraUrlJoin = '';
-$extraUrlCondition = '';
-if (api_is_multiple_url_enabled()) {
-    $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-    $access_url_id = api_get_current_access_url_id();
-    if (-1 != $access_url_id) {
-        $extraUrlJoin .= " INNER JOIN $tbl_user_rel_access_url as user_rel_url
-				           ON (u.id = user_rel_url.user_id) ";
-        $extraUrlCondition = " AND access_url_id = $access_url_id";
-    }
-}
+$tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+$access_url_id = api_get_current_access_url_id();
+$extraUrlJoin = " INNER JOIN $tbl_user_rel_access_url as user_rel_url
+               ON (u.id = user_rel_url.user_id) ";
+$extraUrlCondition = " AND access_url_id = $access_url_id";
 
 $sql = "SELECT
             u.id 	AS UserId,
@@ -107,19 +101,13 @@ if (strlen($course_code) > 0) {
 					ORDER BY lastname,firstname";
     $filename = 'export_users_'.$sessionInfo['name'].'_'.api_get_local_time();
 } else {
-    if (api_is_multiple_url_enabled()) {
-        $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
-        $access_url_id = api_get_current_access_url_id();
-        if (-1 != $access_url_id) {
-            $sql .= " FROM $userTable u
-					INNER JOIN $tbl_user_rel_access_url as user_rel_url
-                    ON (u.id = user_rel_url.user_id)
-				WHERE u.active <> ".USER_SOFT_DELETED." AND access_url_id = $access_url_id
-				ORDER BY lastname,firstname";
-        }
-    } else {
-        $sql .= " FROM $userTable u WHERE u.active <> ".USER_SOFT_DELETED." ORDER BY lastname,firstname";
-    }
+    $tbl_user_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
+    $access_url_id = api_get_current_access_url_id();
+    $sql .= " FROM $userTable u
+            INNER JOIN $tbl_user_rel_access_url as user_rel_url
+            ON (u.id = user_rel_url.user_id)
+        WHERE u.active <> ".USER_SOFT_DELETED." AND access_url_id = $access_url_id
+        ORDER BY lastname,firstname";
     $filename = 'export_users_'.api_get_local_time();
 }
 $data = [];
diff --git a/public/plugin/customcertificate/src/export_pdf_all_in_one.php b/public/plugin/customcertificate/src/export_pdf_all_in_one.php
index c5d55240ec..39960f0638 100644
--- a/public/plugin/customcertificate/src/export_pdf_all_in_one.php
+++ b/public/plugin/customcertificate/src/export_pdf_all_in_one.php
@@ -31,22 +31,18 @@ $sessionId = isset($_GET['session_id']) ? (int) $_GET['session_id'] : null;
 $dateBegin = isset($_GET['date_begin']) ? strtotime($_GET['date_begin']) : null;
 $dateEnd = isset($_GET['date_end']) ? strtotime($_GET['date_end'].' 23:59:59') : null;
 
-if (api_is_multiple_url_enabled()) {
-    if (-1 != $accessUrlId) {
-        $result = Database::select(
-            '*',
-            "$tblSessionRelAccessUrl",
-            [
-                'where' => [
-                    "access_url_id = ? AND session_id = ?" => [$accessUrlId, $sessionId],
-                ],
-            ]
-        );
+$result = Database::select(
+    '*',
+    "$tblSessionRelAccessUrl",
+    [
+        'where' => [
+            "access_url_id = ? AND session_id = ?" => [$accessUrlId, $sessionId],
+        ],
+    ]
+);
 
-        if (empty($result)) {
-            api_not_allowed();
-        }
-    }
+if (empty($result)) {
+    api_not_allowed();
 }
 
 $exportAllInOne = isset($_GET['export_pdf']) ? (int) $_GET['export_pdf'] : false;
diff --git a/src/CoreBundle/EventListener/LegacyListener.php b/src/CoreBundle/EventListener/LegacyListener.php
index b52183e88b..5af0167f1f 100644
--- a/src/CoreBundle/EventListener/LegacyListener.php
+++ b/src/CoreBundle/EventListener/LegacyListener.php
@@ -9,12 +9,12 @@ namespace Chamilo\CoreBundle\EventListener;
 use Chamilo\CoreBundle\Entity\User;
 use Chamilo\CoreBundle\Framework\Container;
 use Chamilo\CoreBundle\Repository\Node\AccessUrlRepository;
+use Chamilo\CoreBundle\ServiceHelper\AccessUrlHelper;
 use Chamilo\CoreBundle\Settings\SettingsManager;
 use Exception;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
 use Symfony\Component\HttpKernel\Event\RequestEvent;
-use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 use Symfony\Component\Routing\RouterInterface;
 use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
 use Symfony\Component\Security\Core\User\UserInterface;
@@ -37,6 +37,7 @@ class LegacyListener
         private readonly ParameterBagInterface $parameterBag,
         private readonly SettingsManager $settingsManager,
         private readonly ContainerInterface $container,
+        private readonly AccessUrlHelper $accessUrlHelper,
     ) {}
 
     public function __invoke(RequestEvent $event): void
@@ -147,16 +148,9 @@ class LegacyListener
             $session->set('cid_reset', false);
         }
 
-        $urlId = $this->accessUrlRepository->getFirstId();
-
-        if (1 === (int) $this->parameterBag->get('multiple_access_url')) {
-            $url = $this->router->generate('index', [], UrlGeneratorInterface::ABSOLUTE_URL);
-            $accessUrl = $this->accessUrlRepository->findOneBy(['url' => $url]);
-            if (null !== $accessUrl) {
-                $urlId = $accessUrl->getId();
-            }
-        }
-
-        $session->set('access_url_id', $urlId);
+        $session->set(
+            'access_url_id',
+            $this->accessUrlHelper->getCurrent()->getId()
+        );
     }
 }
diff --git a/src/CoreBundle/Repository/Node/UsergroupRepository.php b/src/CoreBundle/Repository/Node/UsergroupRepository.php
index bf8fa8fdaf..10ad37c47b 100644
--- a/src/CoreBundle/Repository/Node/UsergroupRepository.php
+++ b/src/CoreBundle/Repository/Node/UsergroupRepository.php
@@ -49,14 +49,10 @@ class UsergroupRepository extends ResourceRepository
             }
         }
 
-        if ($this->accessUrlHelper->isMultipleEnabled()) {
-            $accessUrl = $this->accessUrlHelper->getCurrent();
-
-            $qb->innerJoin('g.urls', 'u')
-                ->andWhere('u.accessUrl = :urlId')
-                ->setParameter('urlId', $accessUrl->getId())
-            ;
-        }
+        $qb->innerJoin('g.urls', 'u')
+            ->andWhere('u.accessUrl = :urlId')
+            ->setParameter('urlId', $this->accessUrlHelper->getCurrent()->getId())
+        ;
 
         $qb->orderBy('g.createdAt', 'DESC');
         $query = $qb->getQuery();
@@ -81,22 +77,16 @@ class UsergroupRepository extends ResourceRepository
         $qb = $this->createQueryBuilder('g')
             ->select('g, COUNT(gu) AS HIDDEN memberCount')
             ->innerJoin('g.users', 'gu')
+            ->innerJoin('g.urls', 'u')
             ->where('g.groupType = :socialClass')
+            ->andWhere('u.accessUrl = :urlId')
             ->setParameter('socialClass', Usergroup::SOCIAL_CLASS)
+            ->setParameter('urlId', $this->accessUrlHelper->getCurrent()->getId())
             ->groupBy('g')
             ->orderBy('g.createdAt', 'DESC')
             ->setMaxResults($limit)
         ;
 
-        if ($this->accessUrlHelper->isMultipleEnabled()) {
-            $accessUrl = $this->accessUrlHelper->getCurrent();
-
-            $qb->innerJoin('g.urls', 'u')
-                ->andWhere('u.accessUrl = :urlId')
-                ->setParameter('urlId', $accessUrl->getId())
-            ;
-        }
-
         if (!empty($query)) {
             $qb->andWhere('g.title LIKE :query OR g.description LIKE :query')
                 ->setParameter('query', '%'.$query.'%')
@@ -111,7 +101,9 @@ class UsergroupRepository extends ResourceRepository
         $qb = $this->createQueryBuilder('g')
             ->select('g, COUNT(gu) as HIDDEN memberCount')
             ->innerJoin('g.users', 'gu')
+            ->innerJoin('g.urls', 'u')
             ->where('g.groupType = :socialClass')
+            ->andWhere('u.accessUrl = :urlId')
             ->setParameter('socialClass', Usergroup::SOCIAL_CLASS)
             ->andWhere('gu.relationType IN (:relationTypes)')
             ->setParameter('relationTypes', [
@@ -119,20 +111,12 @@ class UsergroupRepository extends ResourceRepository
                 Usergroup::GROUP_USER_PERMISSION_READER,
                 Usergroup::GROUP_USER_PERMISSION_HRM,
             ])
+            ->setParameter('urlId', $this->accessUrlHelper->getCurrent()->getId())
             ->groupBy('g')
             ->orderBy('memberCount', 'DESC')
             ->setMaxResults($limit)
         ;
 
-        if ($this->accessUrlHelper->isMultipleEnabled()) {
-            $accessUrl = $this->accessUrlHelper->getCurrent();
-
-            $qb->innerJoin('g.urls', 'u')
-                ->andWhere('u.accessUrl = :urlId')
-                ->setParameter('urlId', $accessUrl->getId())
-            ;
-        }
-
         return $qb->getQuery()->getResult();
     }
 
@@ -311,22 +295,17 @@ class UsergroupRepository extends ResourceRepository
             $qb->select('g.id, g.title, g.description, g.url, g.picture');
         }
 
-        if ($this->accessUrlHelper->isMultipleEnabled()) {
-            $accessUrl = $this->accessUrlHelper->getCurrent();
-
-            $qb->innerJoin('g.accessUrls', 'a', 'WITH', 'g.id = a.usergroup')
-                ->andWhere('a.accessUrl = :urlId')
-                ->setParameter('urlId', $accessUrl->getId())
-            ;
-        }
-
-        $qb->where(
-            $qb->expr()->orX(
-                $qb->expr()->like('g.title', ':tag'),
-                $qb->expr()->like('g.description', ':tag'),
-                $qb->expr()->like('g.url', ':tag')
+        $qb
+            ->innerJoin('g.accessUrls', 'a', 'WITH', 'g.id = a.usergroup')
+            ->where(
+                $qb->expr()->orX(
+                    $qb->expr()->like('g.title', ':tag'),
+                    $qb->expr()->like('g.description', ':tag'),
+                    $qb->expr()->like('g.url', ':tag')
+                )
             )
-        )
+            ->andWhere('a.accessUrl = :urlId')
+            ->setParameter('urlId', $this->accessUrlHelper->getCurrent()->getId())
             ->setParameter('tag', '%'.$tag.'%')
         ;
 
diff --git a/src/CoreBundle/ServiceHelper/AccessUrlHelper.php b/src/CoreBundle/ServiceHelper/AccessUrlHelper.php
index 2bb6c6f1ba..c52f6247a6 100644
--- a/src/CoreBundle/ServiceHelper/AccessUrlHelper.php
+++ b/src/CoreBundle/ServiceHelper/AccessUrlHelper.php
@@ -8,7 +8,6 @@ namespace Chamilo\CoreBundle\ServiceHelper;
 
 use Chamilo\CoreBundle\Entity\AccessUrl;
 use Chamilo\CoreBundle\Repository\Node\AccessUrlRepository;
-use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 use Symfony\Component\Routing\RouterInterface;
 
@@ -16,15 +15,9 @@ class AccessUrlHelper
 {
     public function __construct(
         private readonly AccessUrlRepository $accessUrlRepository,
-        private readonly ParameterBagInterface $parameterBag,
         private readonly RouterInterface $router,
     ) {}
 
-    public function isMultipleEnabled(): bool
-    {
-        return 1 === (int) $this->parameterBag->get('multiple_access_url');
-    }
-
     public function getFirstAccessUrl(): AccessUrl
     {
         $urlId = $this->accessUrlRepository->getFirstId();
@@ -40,13 +33,13 @@ class AccessUrlHelper
             return $accessUrl;
         }
 
-        $accessUrl = $this->getFirstAccessUrl();
+        $url = $this->router->generate('index', [], UrlGeneratorInterface::ABSOLUTE_URL);
 
-        if ($this->isMultipleEnabled()) {
-            $url = $this->router->generate('index', [], UrlGeneratorInterface::ABSOLUTE_URL);
+        /** @var AccessUrl $accessUrl */
+        $accessUrl = $this->accessUrlRepository->findOneBy(['url' => $url]);
 
-            /** @var AccessUrl $accessUrl */
-            $accessUrl = $this->accessUrlRepository->findOneBy(['url' => $url]);
+        if (!$accessUrl) {
+            $accessUrl = $this->getFirstAccessUrl();
         }
 
         return $accessUrl;
diff --git a/tests/scripts/synchronize_user_base_from_ldap.php b/tests/scripts/synchronize_user_base_from_ldap.php
index 07eb0a3514..55e69a396f 100644
--- a/tests/scripts/synchronize_user_base_from_ldap.php
+++ b/tests/scripts/synchronize_user_base_from_ldap.php
@@ -96,12 +96,10 @@ if ($debug) {
     echo count($dbUsers) . " users with id > 1 found in internal database\n";
 }
 
-if (api_is_multiple_url_enabled()) {
-    $accessUrls = api_get_access_urls(0,100000,'id');
-    $multipleUrlLDAPConfig = true;
-    if (!empty($extldap_config) && array_key_exists('host', $extldap_config) && !empty($extldap_config['host'])) {
-        $multipleUrlLDAPConfig = false;
-    }
+$accessUrls = api_get_access_urls(0,100000,'id');
+$multipleUrlLDAPConfig = true;
+if (!empty($extldap_config) && array_key_exists('host', $extldap_config) && !empty($extldap_config['host'])) {
+    $multipleUrlLDAPConfig = false;
 }
 
 if (!$multipleUrlLDAPConfig) {
@@ -339,9 +337,6 @@ foreach ($accessUrls as $accessUrl) {
                 }
                 if ($multipleUrlLDAPConfig) {
                     UrlManager::add_user_to_url($user->getId(), $accessUrlId);
-                } elseif (!api_is_multiple_url_enabled()) {
-                    //we are adding by default the access_url_user table with access_url_id = 1
-                    UrlManager::add_user_to_url($user->getId(), 1);
                 }
             }
         }