diff --git a/include/wx/msw/clipbrd.h b/include/wx/msw/clipbrd.h
index 8432b0f067..377a8ffea9 100644
--- a/include/wx/msw/clipbrd.h
+++ b/include/wx/msw/clipbrd.h
@@ -22,8 +22,11 @@
 #include "wx/module.h"
 #include "wx/dataobj.h"     // for wxDataFormat
 
+#if WXWIN_COMPATIBILITY_2_4
+
 // These functions superceded by wxClipboard, but retained in order to
-// implement wxClipboard, and for compatibility.
+// implement wxClipboard (and exported from DLL to preserve compatibility -
+// - otherwise they are only implementation details of src/msw/clipbrd.cpp).
 
 // open/close the clipboard
 WXDLLEXPORT bool wxOpenClipboard();
@@ -47,6 +50,8 @@ WXDLLEXPORT bool wxGetClipboardFormatName(wxDataFormat dataFormat,
                                           wxChar *formatName,
                                           int maxCount);
 
+#endif // WXWIN_COMPATIBILITY_2_4
+
 //-----------------------------------------------------------------------------
 // wxClipboard
 //-----------------------------------------------------------------------------