diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 85375c68061..67d479b522e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2001-12-31  Graham Stott  <grahams@redhat.com>
+
+	* function.h: Remove undefs for rtx and tree.
+
 2001-12-30  Richard Henderson  <rth@redhat.com>
 
 	* loop.c (check_dbra_loop): Fix last change: examine both
diff --git a/gcc/function.h b/gcc/function.h
index 111949ddb4c..61bd0957674 100644
--- a/gcc/function.h
+++ b/gcc/function.h
@@ -603,11 +603,3 @@ extern void init_virtual_regs		PARAMS ((struct emit_status *));
 
 /* Called once, at initialization, to initialize function.c.  */
 extern void init_function_once          PARAMS ((void));
-
-#ifdef rtx
-#undef rtx
-#endif
-
-#ifdef tree
-#undef tree
-#endif