diff --git a/src/mac/carbon/listbox.cpp b/src/mac/carbon/listbox.cpp
index d238da7cd0..91a2c995a6 100644
--- a/src/mac/carbon/listbox.cpp
+++ b/src/mac/carbon/listbox.cpp
@@ -516,7 +516,6 @@ OSStatus wxMacListBoxItem::GetSetData( wxMacDataItemBrowserControl *owner ,
     OSStatus err = errDataBrowserPropertyNotSupported;
     wxListBox *list = wxDynamicCast( owner->GetPeer() , wxListBox );
     wxCHECK_MSG( list != NULL , errDataBrowserPropertyNotSupported , wxT("Listbox expected"));
-    wxCheckListBox *checklist = wxDynamicCast( list , wxCheckListBox );
 
     if ( !changeValue )
     {