diff --git a/ui/jquery.ui.widget.js b/ui/jquery.ui.widget.js
index 578d330ba33..b486aa9fdad 100644
--- a/ui/jquery.ui.widget.js
+++ b/ui/jquery.ui.widget.js
@@ -322,8 +322,13 @@ $.Widget.prototype = {
 						$( this ).hasClass( "ui-state-disabled" ) ) {
 					return;
 				}
-				return ( typeof handler === "string" ? instance[ handler ] : handler )
-					.apply( instance, arguments );
+	//			return ( typeof handler === "string" ? instance[ handler ] : handler )
+	//				.apply( instance, arguments );
+        // bugfix memory leak http://bugs.jqueryui.com/ticket/7808
+				var ret = ( typeof handler === "string" ? instance[ handler ] : handler )
+                    .apply( instance, arguments );
+        instance = null;
+        return ret;
 			}
 			var match = event.match( /^(\w+)\s*(.*)$/ ),
 				eventName = match[1] + "." + instance.widgetName,
@@ -333,6 +338,8 @@ $.Widget.prototype = {
 			} else {
 				element.bind( eventName, handlerProxy );
 			}
+			// bugfix memory leak http://bugs.jqueryui.com/ticket/7808
+			element = null;
 		});
 	},