// implementation
 // ============================================================================
 
-#if !USE_SHARED_LIBRARY
   IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox)
-#endif
 
 // ----------------------------------------------------------------------------
 // declaration and implementation of wxCheckListBoxItem class
 wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
                                const wxPoint& pos, const wxSize& size,
                                int nStrings, const wxString choices[],
+#if wxUSE_VALIDATORS
                                long style, const wxValidator& val,
+#endif
                                const wxString& name)
               : wxListBox()
 {