diff --git a/include/wx/dataview.h b/include/wx/dataview.h
index f7add4c6d5..13f91f3882 100644
--- a/include/wx/dataview.h
+++ b/include/wx/dataview.h
@@ -701,7 +701,9 @@ public:
     virtual void HitTest( const wxPoint & point, wxDataViewItem &item, wxDataViewColumn* &column ) const = 0;
     virtual wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn *column = NULL ) const = 0;
     
-    virtual void StartEditor( const wxDataViewItem & item, unsigned int column ) { }
+    virtual void StartEditor( const wxDataViewItem & WXUNUSED(item),
+                              unsigned int WXUNUSED(column) )
+        { }
 
 #if wxUSE_DRAG_AND_DROP
     virtual bool EnableDragSource(const wxDataFormat& WXUNUSED(format))