diff --git a/include/wx/scrolwin.h b/include/wx/scrolwin.h
index ba961d4cc7..aae769bea4 100644
--- a/include/wx/scrolwin.h
+++ b/include/wx/scrolwin.h
@@ -22,6 +22,7 @@ class WXDLLEXPORT wxTimer;
 // wxScrolledWindow and wxScrolledControl. It is a mix-in: just derive from it
 // to implement scrolling in your class.
 // ----------------------------------------------------------------------------
+#if !defined(__WXGTK__) || defined(__WXUNIVERSAL__)
 
 class WXDLLEXPORT wxScrollHelper
 {
@@ -205,6 +206,8 @@ protected:
     DECLARE_NO_COPY_CLASS(wxScrollHelper)
 };
 
+#endif
+
 // ----------------------------------------------------------------------------
 // wxScrolledWindow: a wxWindow which knows how to scroll
 // ----------------------------------------------------------------------------