diff --git a/src/components/script/dom/webidls/XMLHttpRequestEventTarget.webidl b/src/components/script/dom/webidls/XMLHttpRequestEventTarget.webidl
index 0a7d044f121..0d772edca0b 100644
--- a/src/components/script/dom/webidls/XMLHttpRequestEventTarget.webidl
+++ b/src/components/script/dom/webidls/XMLHttpRequestEventTarget.webidl
@@ -13,7 +13,7 @@
  * http://www.openwebfoundation.org/legal/the-owf-1-0-agreements/owfa-1-0.
  */
 
-/* https://github.com/mozilla/servo/issues/1223:  [NoInterfaceObject] */
+[NoInterfaceObject]
 interface XMLHttpRequestEventTarget : EventTarget {
   // event handlers
   attribute EventHandler onloadstart;
@@ -23,4 +23,4 @@ interface XMLHttpRequestEventTarget : EventTarget {
   attribute EventHandler onload;
   attribute EventHandler ontimeout;
   attribute EventHandler onloadend;
-};
\ No newline at end of file
+};
diff --git a/src/test/content/test_interfaces.html b/src/test/content/test_interfaces.html
index 5b1460a7c35..5d851b39092 100644
--- a/src/test/content/test_interfaces.html
+++ b/src/test/content/test_interfaces.html
@@ -156,7 +156,6 @@ var interfaceNamesInGlobalScope = [
   "ValidityState",
   "Window",
   "XMLHttpRequest",
-  "XMLHttpRequestEventTarget", // XXX
   "XMLHttpRequestUpload",
 ];