diff --git a/core/modules/ckeditor5/js/ckeditor5.es6.js b/core/modules/ckeditor5/js/ckeditor5.es6.js
index 6716e8d2c02add7f4eca112ec0fe88d9df31ca8e..36788b71a296c4dd46c566733c0dd8add50fb0d7 100644
--- a/core/modules/ckeditor5/js/ckeditor5.es6.js
+++ b/core/modules/ckeditor5/js/ckeditor5.es6.js
@@ -505,30 +505,18 @@
         window.matchMedia('(min-width: 600px)').matches;
       dialogSettings.width = 'auto';
 
-      const $content = $(
-        `<div class="ckeditor5-dialog-loading"><span style="top: -40px;" class="ckeditor5-dialog-loading-link">${Drupal.t(
-          'Loading...',
-        )}</span></div>`,
-      );
-      $content.appendTo($('body'));
-
       const ckeditorAjaxDialog = Drupal.ajax({
         dialog: dialogSettings,
         dialogType: 'modal',
         selector: '.ckeditor5-dialog-loading-link',
         url,
-        progress: { type: 'throbber' },
+        progress: { type: 'fullscreen' },
         submit: {
           editor_object: {},
         },
       });
       ckeditorAjaxDialog.execute();
 
-      // After a short delay, show "Loading…" message.
-      window.setTimeout(() => {
-        $content.find('span').animate({ top: '0px' });
-      }, 1000);
-
       // Store the save callback to be executed when this dialog is closed.
       Drupal.ckeditor5.saveCallback = saveCallback;
     },
diff --git a/core/modules/ckeditor5/js/ckeditor5.js b/core/modules/ckeditor5/js/ckeditor5.js
index 7c0c24937eeb5deeef0759ab29cc4518a28ee9f5..d154b257685ed69657392b2cdf8c8810911df382 100644
--- a/core/modules/ckeditor5/js/ckeditor5.js
+++ b/core/modules/ckeditor5/js/ckeditor5.js
@@ -278,26 +278,19 @@
       dialogSettings.dialogClass = classes.join(' ');
       dialogSettings.autoResize = window.matchMedia('(min-width: 600px)').matches;
       dialogSettings.width = 'auto';
-      const $content = $(`<div class="ckeditor5-dialog-loading"><span style="top: -40px;" class="ckeditor5-dialog-loading-link">${Drupal.t('Loading...')}</span></div>`);
-      $content.appendTo($('body'));
       const ckeditorAjaxDialog = Drupal.ajax({
         dialog: dialogSettings,
         dialogType: 'modal',
         selector: '.ckeditor5-dialog-loading-link',
         url,
         progress: {
-          type: 'throbber'
+          type: 'fullscreen'
         },
         submit: {
           editor_object: {}
         }
       });
       ckeditorAjaxDialog.execute();
-      window.setTimeout(() => {
-        $content.find('span').animate({
-          top: '0px'
-        });
-      }, 1000);
       Drupal.ckeditor5.saveCallback = saveCallback;
     }