diff --git a/include/netlink/cache.h b/include/netlink/cache.h
index 08f97fa..d62f4b8 100644
--- a/include/netlink/cache.h
+++ b/include/netlink/cache.h
@@ -94,8 +94,6 @@ extern struct nl_object *	nl_cache_search(struct nl_cache *,
 						struct nl_object *);
 extern struct nl_object *nl_cache_find(struct nl_cache *,
 				       struct nl_object *);
-extern struct nl_object *	nl_cache_lookup(struct nl_cache *,
-						struct nl_object *);
 extern void			nl_cache_mark_all(struct nl_cache *);
 
 /* Dumping */