diff --git a/widget/src/xlib/nsWidget.cpp b/widget/src/xlib/nsWidget.cpp
index 8dea8516f7d..df9b195e946 100644
--- a/widget/src/xlib/nsWidget.cpp
+++ b/widget/src/xlib/nsWidget.cpp
@@ -333,11 +333,6 @@ void * nsWidget::GetNativeData(PRUint32 aDataType)
   }
 }
 
-NS_IMETHODIMP nsWidget::SetTitle(const nsString& aTitle)
-{
-  return NS_OK;
-}
-
 NS_IMETHODIMP nsWidget::SetTooltips(PRUint32 aNumberOfTips,
                                     nsRect* aTooltipAreas[])
 {
diff --git a/widget/src/xlib/nsWidget.h b/widget/src/xlib/nsWidget.h
index 73d7e6f389e..47ce49c71fa 100644
--- a/widget/src/xlib/nsWidget.h
+++ b/widget/src/xlib/nsWidget.h
@@ -87,7 +87,6 @@ public:
   virtual void*           GetNativeData(PRUint32 aDataType);
   NS_IMETHOD              SetColorMap(nsColorMap *aColorMap);
   NS_IMETHOD              Scroll(PRInt32 aDx, PRInt32 aDy, nsRect *aClipRect);
-  NS_IMETHOD              SetTitle(const nsString& aTitle); 
   NS_IMETHOD              SetMenuBar(nsIMenuBar * aMenuBar); 
   NS_IMETHOD              ShowMenuBar(PRBool aShow);
   NS_IMETHOD              IsMenuBarVisible(PRBool *aVisible);