diff --git a/main/auth/inscription.php b/main/auth/inscription.php
index 32d3d7c2e9..462df752d1 100755
--- a/main/auth/inscription.php
+++ b/main/auth/inscription.php
@@ -240,22 +240,19 @@ if ($user_already_registered_show_terms === false &&
         }
     }
 
-    // OFFICIAL CODE
-    if (CONFVAL_ASK_FOR_OFFICIAL_CODE) {
-        if (in_array('official_code', $allowedFields)) {
-            $form->addElement(
-                'text',
+    if (in_array('official_code', $allowedFields)) {
+        $form->addElement(
+            'text',
+            'official_code',
+            get_lang('OfficialCode'),
+            ['size' => 40]
+        );
+        if (api_get_setting('registration', 'officialcode') == 'true') {
+            $form->addRule(
                 'official_code',
-                get_lang('OfficialCode'),
-                ['size' => 40]
+                get_lang('ThisFieldIsRequired'),
+                'required'
             );
-            if (api_get_setting('registration', 'officialcode') == 'true') {
-                $form->addRule(
-                    'official_code',
-                    get_lang('ThisFieldIsRequired'),
-                    'required'
-                );
-            }
         }
     }
 
diff --git a/main/auth/profile.php b/main/auth/profile.php
index 6b0e18f686..5e90d63b3c 100755
--- a/main/auth/profile.php
+++ b/main/auth/profile.php
@@ -152,20 +152,17 @@ $form->addRule('username', get_lang('ThisFieldIsRequired'), 'required');
 $form->addRule('username', get_lang('UsernameWrong'), 'username');
 $form->addRule('username', get_lang('UserTaken'), 'username_available', $user_data['username']);
 
-//    OFFICIAL CODE
-if (defined('CONFVAL_ASK_FOR_OFFICIAL_CODE') && CONFVAL_ASK_FOR_OFFICIAL_CODE === true) {
-    $form->addElement('text', 'official_code', get_lang('OfficialCode'), ['size' => 40]);
-    if (api_get_setting('profile', 'officialcode') !== 'true') {
-        $form->freeze('official_code');
-    }
-    $form->applyFilter('official_code', 'stripslashes');
-    $form->applyFilter('official_code', 'trim');
-    $form->applyFilter('official_code', 'html_filter');
-    if (api_get_setting('registration', 'officialcode') === 'true' &&
-        api_get_setting('profile', 'officialcode') === 'true'
-    ) {
-        $form->addRule('official_code', get_lang('ThisFieldIsRequired'), 'required');
-    }
+$form->addElement('text', 'official_code', get_lang('OfficialCode'), ['size' => 40]);
+if (api_get_setting('profile', 'officialcode') !== 'true') {
+    $form->freeze('official_code');
+}
+$form->applyFilter('official_code', 'stripslashes');
+$form->applyFilter('official_code', 'trim');
+$form->applyFilter('official_code', 'html_filter');
+if (api_get_setting('registration', 'officialcode') === 'true' &&
+    api_get_setting('profile', 'officialcode') === 'true'
+) {
+    $form->addRule('official_code', get_lang('ThisFieldIsRequired'), 'required');
 }
 
 //    EMAIL
diff --git a/main/inc/global.inc.php b/main/inc/global.inc.php
index a7cc01bb81..d5e54498c2 100755
--- a/main/inc/global.inc.php
+++ b/main/inc/global.inc.php
@@ -279,24 +279,7 @@ try {
     // Fixes bug in Chamilo 1.8.7.1 array was not set
     $administrator['email'] = isset($administrator['email']) ? $administrator['email'] : 'admin@example.com';
     $administrator['name'] = isset($administrator['name']) ? $administrator['name'] : 'Admin';
-
-    // Including configuration files
-    $configurationFiles = [
-        'mail.conf.php',
-        'profile.conf.php',
-        'course_info.conf.php',
-        'add_course.conf.php',
-        'events.conf.php',
-        'auth.conf.php',
-    ];
-
-    foreach ($configurationFiles as $file) {
-        $file = api_get_path(CONFIGURATION_PATH).$file;
-        if (file_exists($file)) {
-            require_once $file;
-        }
-    }
-
+    
     /*  LOAD LANGUAGE FILES SECTION */
     // if we use the javascript version (without go button) we receive a get
     // if we use the non-javascript version (with the go button) we receive a post
diff --git a/main/install/install.lib.php b/main/install/install.lib.php
index 804f24c764..f7bc6dc87b 100755
--- a/main/install/install.lib.php
+++ b/main/install/install.lib.php
@@ -3674,26 +3674,6 @@ function migrateSwitch($fromVersion, $manager, $processFiles = true)
                     include __DIR__.'/update-files-1.9.0-1.10.0.inc.php';
                     // Only updates the configuration.inc.php with the new version
                     include __DIR__.'/update-configuration.inc.php';
-
-                    $configurationFiles = [
-                        'mail.conf.php',
-                        'profile.conf.php',
-                        'course_info.conf.php',
-                        'add_course.conf.php',
-                        'events.conf.php',
-                        'auth.conf.php',
-                    ];
-
-                    error_log('Copy conf files');
-
-                    foreach ($configurationFiles as $file) {
-                        if (file_exists(api_get_path(SYS_CODE_PATH).'inc/conf/'.$file)) {
-                            copy(
-                                api_get_path(SYS_CODE_PATH).'inc/conf/'.$file,
-                                api_get_path(CONFIGURATION_PATH).$file
-                            );
-                        }
-                    }
                 }
 
                 error_log('Upgrade 1.10.x process concluded! ('.date('Y-m-d H:i:s').')');
diff --git a/main/install/install_files.inc.php b/main/install/install_files.inc.php
index 35e107f406..c452ef93e3 100755
--- a/main/install/install_files.inc.php
+++ b/main/install/install_files.inc.php
@@ -28,10 +28,6 @@ if (defined('SYSTEM_INSTALLATION')) {
         api_get_path(CONFIGURATION_PATH).'profile.conf.dist.php',
         api_get_path(CONFIGURATION_PATH).'profile.conf.php'
     );
-    copy(
-        api_get_path(CONFIGURATION_PATH).'auth.conf.dist.php',
-        api_get_path(CONFIGURATION_PATH).'auth.conf.php'
-    );
 } else {
     echo 'You are not allowed here !'.__FILE__;
 }