--- a/dom/webidl/HTMLElement.webidl
+++ b/dom/webidl/HTMLElement.webidl
@@ -41,17 +41,17 @@ interface HTMLElement : Element {
   void blur();
   [CEReactions, SetterThrows, Pure]
            attribute DOMString accessKey;
   [Pure]
   readonly attribute DOMString accessKeyLabel;
   [CEReactions, SetterThrows, Pure]
            attribute boolean draggable;
   //[PutForwards=value] readonly attribute DOMTokenList dropzone;
-  [SetterThrows, Pure]
+  [CEReactions, SetterThrows, Pure]
            attribute DOMString contentEditable;
   [Pure]
   readonly attribute boolean isContentEditable;
   [Pure]
   readonly attribute HTMLMenuElement? contextMenu;
   //[SetterThrows]
   //         attribute HTMLMenuElement? contextMenu;
   [CEReactions, SetterThrows, Pure]

deleted file mode 100644
--- a/testing/web-platform/meta/custom-elements/reactions/ElementContentEditable.html.ini
+++ /dev/null
@@ -1,8 +0,0 @@
-[ElementContentEditable.html]
-  type: testharness
-  [contentEditable on ElementContentEditable must enqueue an attributeChanged reaction when adding contenteditable content attribute]
-    expected: FAIL
-
-  [contentEditable on ElementContentEditable must enqueue an attributeChanged reaction when replacing an existing attribute]
-    expected: FAIL
-