diff --git a/mozilla/layout/generic/nsGfxScrollFrame.h b/mozilla/layout/generic/nsGfxScrollFrame.h
index 39e0fab50c6..34f6654b9fe 100644
--- a/mozilla/layout/generic/nsGfxScrollFrame.h
+++ b/mozilla/layout/generic/nsGfxScrollFrame.h
@@ -373,11 +373,9 @@ protected:
     return mInner.GetScrollPortSize();
   }
 
-#ifdef DEBUG
   PRBool IsScrollbarUpdateSuppressed() const {
     return mInner.mSupppressScrollbarUpdate;
   }
-#endif
   
 private:
   friend class nsGfxScrollFrameInner;