diff --git a/demos/dialog/default.html b/demos/dialog/default.html
index 98f248b81..e781e18f8 100644
--- a/demos/dialog/default.html
+++ b/demos/dialog/default.html
@@ -16,7 +16,6 @@
 	<link rel="stylesheet" href="../demos.css">
 	<script>
 	$(function() {
-		Array.prototype.test = $.noop;
 		$( "#dialog" ).dialog();
 	});
 	</script>