diff --git a/sys/net/route.c b/sys/net/route.c
index e4b404390ea4..2ea8d4ab5c47 100644
--- a/sys/net/route.c
+++ b/sys/net/route.c
@@ -81,8 +81,6 @@ EVENTHANDLER_LIST_DEFINE(rt_addrmsg);
 
 static int rt_ifdelroute(const struct rtentry *rt, const struct nhop_object *,
     void *arg);
-static int rt_exportinfo(struct rtentry *rt, struct nhop_object *nh,
-    struct rt_addrinfo *info, int flags);
 
 /*
  * route initialization must occur before ip6_init2(), which happenas at