diff --git a/suite/browser/navigator.js b/suite/browser/navigator.js
index 7f8456c7760..1ca9e749042 100644
--- a/suite/browser/navigator.js
+++ b/suite/browser/navigator.js
@@ -368,9 +368,6 @@ function Startup()
   // hook up UI through progress listener
   getBrowser().addProgressListener(window.XULBrowserWindow);
 
-  // XXXjag see bug 68662 (needed to hook up web progress listener)
-  getBrowser().boxObject.setPropertyAsSupports("listenerkungfu", window.XULBrowserWindow);
-
   // load appropriate initial page from commandline
   var isPageCycling = false;
 
@@ -482,10 +479,6 @@ function Shutdown()
     remoteService.removeBrowserInstance(window);
   }
 
-  var browser = getBrowser();
-
-  browser.boxObject.removeProperty("listenerkungfu");
-
   try {
     getBrowser().removeProgressListener(window.XULBrowserWindow);
   } catch (ex) {