#endif // __WXMSW__
IMPLEMENT_DYNAMIC_CLASS(wxPopupTransientWindow, wxPopupWindow)
-IMPLEMENT_DYNAMIC_CLASS(wxPopupComboWindow, wxPopupTransientWindow)
+
+#if wxUSE_COMBOBOX && defined(__WXUNIVERSAL__)
+ IMPLEMENT_DYNAMIC_CLASS(wxPopupComboWindow, wxPopupTransientWindow)
+#endif
// ----------------------------------------------------------------------------
// private classes