diff --git a/layout/reftests/bugs/459443-1.html b/layout/reftests/bugs/459443-1.html
index 01acbf461de4..3ff19d1822fb 100644
--- a/layout/reftests/bugs/459443-1.html
+++ b/layout/reftests/bugs/459443-1.html
@@ -13,11 +13,7 @@
             f.document.designMode='on';
             f.location = 'data:text/html;charset=utf-8,<body>FAIL<script>document.body.innerHTML="PASS"<\/script>';
             n.addEventListener("load",
-                               function() {
-                                 setTimeout(
-                                   "document.documentElement.className = ''", 0
-                                 );
-                               },
+                               function() { document.documentElement.className = ''; },
                                false);
           }, 0);
         };
