diff --git a/xpfe/AppCores/src/nsBrowserAppCore.cpp b/xpfe/AppCores/src/nsBrowserAppCore.cpp
index bec8db3a6f1c..c41ca83abb6f 100644
--- a/xpfe/AppCores/src/nsBrowserAppCore.cpp
+++ b/xpfe/AppCores/src/nsBrowserAppCore.cpp
@@ -280,11 +280,6 @@ nsBrowserAppCore::SetDocumentCharset(const nsString& aCharset)
 NS_IMETHODIMP    
 nsBrowserAppCore::Back()
 {
-/*
-  ExecuteScript(mToolbarScriptContext, mDisableScript);
-  ExecuteScript(mContentScriptContext, "window.back();");
-  ExecuteScript(mToolbarScriptContext, mEnableScript);
-*/
   mContentAreaWebShell->Back();
 	return NS_OK;
 }
@@ -292,11 +287,6 @@ nsBrowserAppCore::Back()
 NS_IMETHODIMP    
 nsBrowserAppCore::Forward()
 {
-/*
-  ExecuteScript(mToolbarScriptContext, mDisableScript);
-  ExecuteScript(mContentScriptContext, "window.forward();");
-  ExecuteScript(mToolbarScriptContext, mEnableScript);
-*/
   mContentAreaWebShell->Forward();
 	return NS_OK;
 }
@@ -470,20 +460,6 @@ nsBrowserAppCore::WalletSafeFillin() {
 }
 #endif
 
-NS_IMETHODIMP    
-nsBrowserAppCore::SetDisableCallback(const nsString& aScript)
-{
-  mDisableScript = aScript;
-	return NS_OK;
-}
-
-NS_IMETHODIMP    
-nsBrowserAppCore::SetEnableCallback(const nsString& aScript)
-{
-  mEnableScript = aScript;
-	return NS_OK;
-}
-
 NS_IMETHODIMP    
 nsBrowserAppCore::LoadUrl(const nsString& aUrl)
 {
diff --git a/xpfe/AppCores/src/nsBrowserAppCore.h b/xpfe/AppCores/src/nsBrowserAppCore.h
index eb1ff6faa050..1c98e77e99c6 100644
--- a/xpfe/AppCores/src/nsBrowserAppCore.h
+++ b/xpfe/AppCores/src/nsBrowserAppCore.h
@@ -73,8 +73,6 @@ class nsBrowserAppCore : public nsBaseAppCore,
     NS_IMETHOD    SetToolbarWindow(nsIDOMWindow* aWin);
     NS_IMETHOD    SetContentWindow(nsIDOMWindow* aWin);
     NS_IMETHOD    SetWebShellWindow(nsIDOMWindow* aWin);
-    NS_IMETHOD    SetDisableCallback(const nsString& aScript);
-    NS_IMETHOD    SetEnableCallback(const nsString& aScript);
     NS_IMETHOD    NewWindow();
     NS_IMETHOD    OpenWindow();
     NS_IMETHOD    PrintPreview();
@@ -128,9 +126,6 @@ class nsBrowserAppCore : public nsBaseAppCore,
     NS_IMETHOD ExecuteScript(nsIScriptContext * aContext, const nsString& aScript);
     void SetButtonImage(nsIDOMNode * aParentNode, PRInt32 aBtnNum, const nsString &aResName);
 
-    nsString            mEnableScript;     
-    nsString            mDisableScript;     
-
     nsIScriptContext   *mToolbarScriptContext;
     nsIScriptContext   *mContentScriptContext;