diff --git a/dbaccess/source/ui/tabledesign/TableUndo.hxx b/dbaccess/source/ui/tabledesign/TableUndo.hxx
index 29f498481829..5b87bd575237 100644
--- a/dbaccess/source/ui/tabledesign/TableUndo.hxx
+++ b/dbaccess/source/ui/tabledesign/TableUndo.hxx
@@ -136,7 +136,6 @@ namespace dbaui
     protected:
         MultiSelection      m_aDelKeys,
                             m_aInsKeys;
-        sal_Bool                m_bActPrimKeySet;
         OTableEditorCtrl* m_pEditorCtrl;
 
         virtual void    Undo();