diff --git a/src/components/script/dom/webidls/WindowProxy.webidl b/src/components/script/dom/webidls/WindowProxy.webidl
deleted file mode 100644
index abc429d1cb6..00000000000
--- a/src/components/script/dom/webidls/WindowProxy.webidl
+++ /dev/null
@@ -1,9 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/* FIXME WindowProxy doesn't actually have an interface according to the spec,
-         but I'm not sure how to do fallible unwrapping without this, since
-         we lack Gecko's XPCOM querying facilities. */
-interface WindowProxy {
-};
\ No newline at end of file
diff --git a/src/test/html/test_UIEvent_resize.html b/src/test/html/test_UIEvent_resize.html
index 08a4532f340..a9d21ad07db 100644
--- a/src/test/html/test_UIEvent_resize.html
+++ b/src/test/html/test_UIEvent_resize.html
@@ -1,7 +1,7 @@
 <html>
 <head>
   <title></title>
-  <script src="./content/harness.js"></script>
+  <script src="../content/harness.js"></script>
 </head>
 <body>
 <script>
@@ -11,15 +11,12 @@ window.addEventListener("resize", function (aEvent) {
     is(aEvent.bubbles, false, "Bubbles should be No.");
     is(aEvent.cancelable, false, "Cancelable should be No.");
 
-    // FIXME:
-    // Target should be defaultView (WindowProxy) by D3E
-    // But we set Window instead of WindowProxy now. See: #1715
     is(aEvent.target, window, "Target should be defaultView.");
     is_a(aEvent.target, Window, "UIEvent.target should be instance of Window.");
 
     //is(aEvent.view, document.defaultView, "UIEvent.view should be defaultView.");
-    is_a(aEvent.view, WindowProxy, "UIEvent.view should be instance of WindowProxy.");
-    is(aEvent.detail, 0, "UIEvent.view should be 0.");
+    is_a(aEvent.view, Window, "UIEvent.view should be instance of Window.");
+    is(aEvent.detail, 0, "UIEvent.detail should be 0.");
 }, false);
 </script>
 </body>
