diff --git a/main/exercise/hotspot_actionscript_admin.as.php b/main/exercise/hotspot_actionscript_admin.as.php
index b0c002080c..3775e8a41a 100755
--- a/main/exercise/hotspot_actionscript_admin.as.php
+++ b/main/exercise/hotspot_actionscript_admin.as.php
@@ -59,11 +59,9 @@ $data['image_height'] = $pictureHeight;
 $data['courseCode'] = $_course['path'];
 $data['hotspots'] = [];
 
-// Init
 $i = 0;
 $nmbrTries = 0;
 $answer_type = $objQuestion->type;
-
 $answers = Session::read('tmp_answers');
 $nbrAnswers = count($answers['answer']);
 
diff --git a/main/inc/ajax/document.ajax.php b/main/inc/ajax/document.ajax.php
index eb38c533a6..108ffa0f6e 100755
--- a/main/inc/ajax/document.ajax.php
+++ b/main/inc/ajax/document.ajax.php
@@ -20,16 +20,10 @@ switch ($action) {
         $courseQuota = DocumentManager::get_course_quota();
 
         // Calculating the total space
-        $already_consumed_space_course = DocumentManager::documents_total_space(
-            api_get_course_int_id()
-        );
+        $total = DocumentManager::documents_total_space(api_get_course_int_id());
 
         // Displaying the quota
-        echo DocumentManager::displaySimpleQuota(
-            $courseQuota,
-            $already_consumed_space_course
-        );
-
+        echo DocumentManager::displaySimpleQuota($courseQuota, $total);
         break;
     case 'upload_file':
         api_protect_course_script(true);
diff --git a/main/inc/lib/link.lib.php b/main/inc/lib/link.lib.php
index 7dc9ae447f..b87d4b550c 100755
--- a/main/inc/lib/link.lib.php
+++ b/main/inc/lib/link.lib.php
@@ -1100,7 +1100,7 @@ class Link extends Model
                             false
                         );
 
-                        $url .= api_get_self().'?'.api_get_cidreq().'&sec_token='.$token.'&action=deletelink&id='.$linkId.'&category_id='.$categoryId;
+                        $url = api_get_self().'?'.api_get_cidreq().'&sec_token='.$token.'&action=deletelink&id='.$linkId.'&category_id='.$categoryId;
                         $event = "javascript: if(!confirm('".get_lang('LinkDelconfirm')."'))return false;";
                         $title = get_lang('Delete');
 
diff --git a/main/inc/lib/pear/HTML/QuickForm/Renderer/Default.php b/main/inc/lib/pear/HTML/QuickForm/Renderer/Default.php
index 2efe4a67dc..44ed6dc6b6 100755
--- a/main/inc/lib/pear/HTML/QuickForm/Renderer/Default.php
+++ b/main/inc/lib/pear/HTML/QuickForm/Renderer/Default.php
@@ -334,6 +334,7 @@ class HTML_QuickForm_Renderer_Default extends HTML_QuickForm_Renderer
         } else {
             $html = preg_replace("/([ \t\n\r]*)?<!-- BEGIN required -->.*<!-- END required -->([ \t\n\r]*)?/isU", '', $html);
         }
+
         if (isset($error)) {
             $html = str_replace('{error}', $error, $html);
             $html = str_replace('{error_class}', 'error has-error', $html);
diff --git a/tests/behat/features/bootstrap/FeatureContext.php b/tests/behat/features/bootstrap/FeatureContext.php
index f2d807a992..3975687b8a 100644
--- a/tests/behat/features/bootstrap/FeatureContext.php
+++ b/tests/behat/features/bootstrap/FeatureContext.php
@@ -21,7 +21,7 @@ class FeatureContext extends MinkContext
      */
     public function iAmAPlatformAdministrator()
     {
-        $this->visit('/index.php?logout=logout');
+        $this->visit('/index.php?logout=logout&uid=1');
         $this->iAmOnHomepage();
         $this->fillField('login', 'admin');
         $this->fillField('password', 'admin');