diff --git a/core/modules/media/js/plugins/drupalmedia/plugin.js b/core/modules/media/js/plugins/drupalmedia/plugin.js
index f176c907f8..e625736448 100644
--- a/core/modules/media/js/plugins/drupalmedia/plugin.js
+++ b/core/modules/media/js/plugins/drupalmedia/plugin.js
@@ -240,7 +240,7 @@
               editor.fire('saveSnapshot');
             };
 
-            Drupal.ckeditor.openDialog(editor, Drupal.url('editor/dialog/media/' + editor.config.drupal.format) + '?XDEBUG_SESSION_START', widget.data, saveCallback, {});
+            Drupal.ckeditor.openDialog(editor, Drupal.url('editor/dialog/media/' + editor.config.drupal.format), widget.data, saveCallback, {});
           });
         },
         _tearDownDynamicEditables: function _tearDownDynamicEditables() {