diff --git a/include/wx/motif/cursor.h b/include/wx/motif/cursor.h
index 0658abc6ec..e59521a7c2 100644
--- a/include/wx/motif/cursor.h
+++ b/include/wx/motif/cursor.h
@@ -63,7 +63,5 @@ private:
     wxDECLARE_DYNAMIC_CLASS(wxCursor);
 };
 
-extern WXDLLIMPEXP_CORE void wxSetCursor(const wxCursor& cursor);
-
 #endif
 // _WX_CURSOR_H_
diff --git a/include/wx/osx/cursor.h b/include/wx/osx/cursor.h
index 37e221f6ce..ae3eb2463a 100644
--- a/include/wx/osx/cursor.h
+++ b/include/wx/osx/cursor.h
@@ -47,6 +47,4 @@ private:
     wxDECLARE_DYNAMIC_CLASS(wxCursor);
 };
 
-extern WXDLLIMPEXP_CORE void wxSetCursor(const wxCursor& cursor);
-
 #endif // _WX_CURSOR_H_