diff --git a/widget/src/motif/nsComboBox.cpp b/widget/src/motif/nsComboBox.cpp
index 9e13f91ff8fa..89023b4a5b55 100644
--- a/widget/src/motif/nsComboBox.cpp
+++ b/widget/src/motif/nsComboBox.cpp
@@ -31,6 +31,9 @@
 #define INITIAL_MAX_ITEMS 128
 #define ITEMS_GROWSIZE    128
 
+NS_IMPL_ADDREF(nsComboBox)
+NS_IMPL_RELEASE(nsComboBox)
+
 //-------------------------------------------------------------------------
 //
 // nsComboBox constructor
diff --git a/widget/src/motif/nsComboBox.h b/widget/src/motif/nsComboBox.h
index 9a1a1c19d785..837ce48adcbd 100644
--- a/widget/src/motif/nsComboBox.h
+++ b/widget/src/motif/nsComboBox.h
@@ -39,9 +39,6 @@ public:
     NS_IMETHOD_(nsrefcnt) Release();
     NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
    
-    // nsIWidget overrides
-    virtual void   GetBounds(nsRect &aRect);
-
     // nsIComboBox interface
     virtual void    AddItemAt(nsString &aItem, PRInt32 aPosition);
     virtual PRInt32 FindItem(nsString &aItem, PRInt32 aStartPos);