diff --git a/core/modules/ckeditor/js/ckeditor.admin.js b/core/modules/ckeditor/js/ckeditor.admin.js
index 53ad2b4..c0ee5ec 100644
--- a/core/modules/ckeditor/js/ckeditor.admin.js
+++ b/core/modules/ckeditor/js/ckeditor.admin.js
@@ -1396,6 +1396,10 @@ function openGroupNameDialog (view, $group, callback) {
         });
       }
       Drupal.announce(text);
+    },
+    close: function (event) {
+      // Automatically destroy the DOM element that was used for the dialog.
+      $(event.target).remove();
     }
   });
   // A modal dialog is used because the user must provide a button group name