diff --git a/src/intervals.h b/src/intervals.h
index 6e5b3122f3d..3b01440cf40 100644
--- a/src/intervals.h
+++ b/src/intervals.h
@@ -247,8 +247,7 @@ extern Lisp_Object textget P_ ((Lisp_Object, Lisp_Object));
 extern void move_if_not_intangible P_ ((int));
 extern int get_property_and_range P_ ((int, Lisp_Object, Lisp_Object *,
 				       int *, int *, Lisp_Object));
-enum map_property {local_map, keymap};
-extern Lisp_Object get_local_map P_ ((int, struct buffer *, enum map_property));
+extern Lisp_Object get_local_map P_ ((int, struct buffer *, Lisp_Object));
 extern INTERVAL update_interval P_ ((INTERVAL, int));
 extern void set_intervals_multibyte P_ ((int));
 extern INTERVAL validate_interval_range P_ ((Lisp_Object, Lisp_Object *,