core/modules/ckeditor/js/ckeditor.js | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/core/modules/ckeditor/js/ckeditor.js b/core/modules/ckeditor/js/ckeditor.js
index f67ed62..c3e4ccc 100644
--- a/core/modules/ckeditor/js/ckeditor.js
+++ b/core/modules/ckeditor/js/ckeditor.js
@@ -210,6 +210,8 @@
      *   An object containing settings to be passed to the jQuery UI.
      */
     openDialog: function (editor, url, existingValues, saveCallback, dialogSettings) {
+      var isInline = CKEDITOR.instances[editor.name].editable().isInline();
+
       // Locate a suitable place to display our loading indicator.
       var $target = $(editor.container.$);
       if (editor.elementMode === CKEDITOR.ELEMENT_MODE_REPLACE) {
@@ -225,10 +227,13 @@
       dialogSettings.dialogClass = classes.join(' ');
       dialogSettings.autoResize = Drupal.checkWidthBreakpoint(600);
 
-      // Add a "Loading…" message, hide it underneath the CKEditor toolbar,
-      // create a Drupal.Ajax instance to load the dialog and trigger it.
-      var $content = $('<div class="ckeditor-dialog-loading"><span style="top: -40px;" class="ckeditor-dialog-loading-link">' + Drupal.t('Loading...') + '</span></div>');
-      $content.appendTo($target);
+      // @todo Improve in https://www.drupal.org/node/2563081.
+      if (!isInline) {
+        // Add a "Loading…" message, hide it underneath the CKEditor toolbar,
+        // create a Drupal.Ajax instance to load the dialog and trigger it.
+        var $content = $('<div class="ckeditor-dialog-loading"><span style="top: -40px;" class="ckeditor-dialog-loading-link">' + Drupal.t('Loading...') + '</span></div>');
+        $content.appendTo($target);
+      }
 
       var ckeditorAjaxDialog = Drupal.ajax({
         dialog: dialogSettings,
@@ -242,10 +247,13 @@
       });
       ckeditorAjaxDialog.execute();
 
-      // After a short delay, show "Loading…" message.
-      window.setTimeout(function () {
-        $content.find('span').animate({top: '0px'});
-      }, 1000);
+      // @todo Improve in https://www.drupal.org/node/2563081.
+      if (!isInline) {
+        // After a short delay, show "Loading…" message.
+        window.setTimeout(function () {
+          $content.find('span').animate({top: '0px'});
+        }, 1000);
+      }
 
       // Store the save callback to be executed when this dialog is closed.
       Drupal.ckeditor.saveCallback = saveCallback;