diff --git a/mozilla/xpfe/appshell/src/nsWebShellWindow.cpp b/mozilla/xpfe/appshell/src/nsWebShellWindow.cpp
index c72eb042b2d..49be29aa12b 100644
--- a/mozilla/xpfe/appshell/src/nsWebShellWindow.cpp
+++ b/mozilla/xpfe/appshell/src/nsWebShellWindow.cpp
@@ -1583,31 +1583,6 @@ nsWebShellWindow::ContentRemoved(nsIDocument *aDocument,
 {
 }
 
-// This should rightfully be somebody's CONTRACTID?
-// Will switch when the "app shell browser component" arrives.
-static const char *prefix = "@mozilla.org/appshell/component/browser/window;1";
-
-nsresult
-nsWebShellWindow::NotifyObservers( const nsString &aTopic, const nsString &someData ) {
-    nsresult rv = NS_OK;
-    // Get observer service.
-    nsIObserverService *svc = 0;
-    rv = nsServiceManager::GetService( "@mozilla.org/observer-service;1",
-                                       NS_GET_IID(nsIObserverService),
-                                       (nsISupports**)&svc );
-    if ( NS_SUCCEEDED( rv ) && svc ) {
-        // Notify observers as instructed; the subject is "this" web shell window.
-        nsCAutoString topic; topic.Assign(prefix);
-        topic.Append(";");
-        topic.AppendWithConversion(aTopic);
-        rv = svc->NotifyObservers( (nsIWebShellWindow*)this, topic.get(), someData.get() );
-        // Release the service.
-        nsServiceManager::ReleaseService( "@mozilla.org/observer-service;1", svc );
-    } else {
-    }
-    return rv;
-}
-
 // nsIBaseWindow
 NS_IMETHODIMP nsWebShellWindow::Destroy()
 {
diff --git a/mozilla/xpfe/appshell/src/nsWebShellWindow.h b/mozilla/xpfe/appshell/src/nsWebShellWindow.h
index 586e3f893ca..ee4c7816d45 100644
--- a/mozilla/xpfe/appshell/src/nsWebShellWindow.h
+++ b/mozilla/xpfe/appshell/src/nsWebShellWindow.h
@@ -139,8 +139,6 @@ protected:
 
   static nsEventStatus PR_CALLBACK HandleEvent(nsGUIEvent *aEvent);
 
-  nsresult                NotifyObservers( const nsString &aTopic, const nsString &someData );
-
   nsIWebShell*            mWebShell;
   PRBool                  mLockedUntilChromeLoad;
   PRBool                  mLoadDefaultPage;
diff --git a/mozilla/xpfe/appshell/src/nsXULWindow.cpp b/mozilla/xpfe/appshell/src/nsXULWindow.cpp
index 519ae7d323d..1c8605645a3 100644
--- a/mozilla/xpfe/appshell/src/nsXULWindow.cpp
+++ b/mozilla/xpfe/appshell/src/nsXULWindow.cpp
@@ -1865,31 +1865,6 @@ NS_IMETHODIMP nsXULWindow::CreateNewContentWindow(PRInt32 aChromeFlags,
    return NS_OK;
 }
 
-// XXX can this switch now?
-/// This should rightfully be somebody's CONTRACTID?
-// Will switch when the "app shell browser component" arrives.
-static const char *prefix = "@mozilla.org/appshell/component/browser/window;1";
-
-NS_IMETHODIMP nsXULWindow::NotifyObservers(const PRUnichar* aTopic, 
-   const PRUnichar* aData)
-{
-   nsCOMPtr<nsIObserverService> service(do_GetService("@mozilla.org/observer-service;1"));
-
-   if(!service)
-      return NS_ERROR_FAILURE;
-
-   nsCOMPtr<nsIWebShellWindow> 
-      removeme(do_QueryInterface(NS_STATIC_CAST(nsIXULWindow*, this)));
-
-   nsCAutoString topic; topic.Assign(prefix);
-   topic.Append(";");
-   topic.AppendWithConversion(aTopic);
-
-   NS_ENSURE_SUCCESS(service->NotifyObservers(removeme, topic.get(), aData),
-      NS_ERROR_FAILURE);
-   return NS_OK;
-}
-
 void nsXULWindow::EnableParent(PRBool aEnable)
 {
   nsCOMPtr<nsIBaseWindow> parentWindow;
diff --git a/mozilla/xpfe/appshell/src/nsXULWindow.h b/mozilla/xpfe/appshell/src/nsXULWindow.h
index 98ffc44795b..dbd4828c5ad 100644
--- a/mozilla/xpfe/appshell/src/nsXULWindow.h
+++ b/mozilla/xpfe/appshell/src/nsXULWindow.h
@@ -121,7 +121,6 @@ protected:
       nsIXULWindow **_retval);
    NS_IMETHOD CreateNewContentWindow(PRInt32 aChromeFlags,
       nsIXULWindow **_retval);
-   NS_IMETHOD NotifyObservers(const PRUnichar* aTopic, const PRUnichar* aData);
 
    void       EnableParent(PRBool aEnable);
    PRBool     ConstrainToZLevel(PRBool aImmediate, nsWindowZ *aPlacement,