diff --git a/toolkit/content/widgets/remote-browser.xml b/toolkit/content/widgets/remote-browser.xml
index 1937dc09fa9..66a98bbd5de 100644
--- a/toolkit/content/widgets/remote-browser.xml
+++ b/toolkit/content/widgets/remote-browser.xml
@@ -82,7 +82,6 @@
 
       <destructor>
         <![CDATA[
-          this.messageManager.removeMessageListener("DOMTitleChanged", this);
           this.webProgress._destroy();
         ]]>
       </destructor>
diff --git a/toolkit/modules/RemoteWebProgress.jsm b/toolkit/modules/RemoteWebProgress.jsm
index c04629dec3e..f6003a00e69 100644
--- a/toolkit/modules/RemoteWebProgress.jsm
+++ b/toolkit/modules/RemoteWebProgress.jsm
@@ -53,10 +53,6 @@ RemoteWebProgress.prototype = {
   },
 
   _destroy: function WP_Destroy() {
-    this._browser.messageManager.removeMessageListener("Content:StateChange", this);
-    this._browser.messageManager.removeMessageListener("Content:LocationChange", this);
-    this._browser.messageManager.removeMessageListener("Content:SecurityChange", this);
-    this._browser.messageManager.removeMessageListener("Content:StatusChange", this);
     this._browser = null;
   },