diff --git a/lib/OpenLayers/Events.js b/lib/OpenLayers/Events.js
index fd5f3474bc..11be2c5e0b 100644
--- a/lib/OpenLayers/Events.js
+++ b/lib/OpenLayers/Events.js
@@ -324,9 +324,9 @@ OpenLayers.Event = {
 /* prevent memory leaks in IE */
 OpenLayers.Event.observe(window, 'unload', OpenLayers.Event.unloadCache, false);
 
-if (window.Event) {
-  OpenLayers.Util.extend(window.Event, OpenLayers.Event);
-} else {
+// FIXME: Remove this in 3.0. In 3.0, Event.stop will no longer be provided
+// by OpenLayers.
+if (!window.Event) {
   var Event = OpenLayers.Event;
 }