diff --git a/src/proto.h b/src/proto.h
index d6961c29e9..289c7cb687 100644
--- a/src/proto.h
+++ b/src/proto.h
@@ -288,12 +288,8 @@ extern char *vim_SelFile __ARGS((Widget toplevel, char *prompt, char *init_path,
 #ifdef MACOS_CONVERT
 # include "os_mac_conv.pro"
 #endif
-#if defined(MACOS_X_UNIX) && defined(FEAT_CLIPBOARD) && !defined(FEAT_GUI)
-/* functions in os_macosx.m */
-void clip_mch_lose_selection(VimClipboard *cbd);
-int clip_mch_own_selection(VimClipboard *cbd);
-void clip_mch_request_selection(VimClipboard *cbd);
-void clip_mch_set_selection(VimClipboard *cbd);
+#ifdef MACOS_X
+# include "os_macosx.pro"
 #endif
 
 #ifdef __BORLANDC__
diff --git a/src/proto/os_macosx.pro b/src/proto/os_macosx.pro
index 1a806ffe3a..af2ac69dfe 100644
--- a/src/proto/os_macosx.pro
+++ b/src/proto/os_macosx.pro
@@ -1,3 +1,13 @@
 /* os_macosx.pro */
+/* functions in os_macosx.m */
+
+#if defined(FEAT_CLIPBOARD) && !defined(FEAT_GUI)
+void clip_mch_lose_selection(VimClipboard *cbd);
+int clip_mch_own_selection(VimClipboard *cbd);
+void clip_mch_request_selection(VimClipboard *cbd);
+void clip_mch_set_selection(VimClipboard *cbd);
+#endif
+
 void macosx_fork __ARGS((void));
+
 /* vim: set ft=c : */