diff --git a/include/wx/tbarbase.h b/include/wx/tbarbase.h
index 7872e6670b..b9febfbc3e 100644
--- a/include/wx/tbarbase.h
+++ b/include/wx/tbarbase.h
@@ -372,9 +372,12 @@ public:
     virtual void SetToolLongHelp(int toolid, const wxString& helpString);
     virtual wxString GetToolLongHelp(int toolid) const;
 
-    virtual void SetToolNormalBitmap(int id, const wxBitmap& bitmap) {}
-    virtual void SetToolDisabledBitmap(int id, const wxBitmap& bitmap) {}
+    virtual void SetToolNormalBitmap(int WXUNUSED(id),
+                                     const wxBitmap& WXUNUSED(bitmap)) {}
+    virtual void SetToolDisabledBitmap(int WXUNUSED(id),
+                                       const wxBitmap& WXUNUSED(bitmap)) {}
 
+    
     // margins/packing/separation
     // --------------------------