diff --git a/sys/net/route.h b/sys/net/route.h
index 244eea29c76d..4ac3458dd3a8 100644
--- a/sys/net/route.h
+++ b/sys/net/route.h
@@ -398,10 +398,7 @@ int	 rtrequest_fib(int, struct sockaddr *,
 int	 rtrequest1_fib(int, struct rt_addrinfo *, struct rtentry **, u_int);
 
 #include <sys/eventhandler.h>
-typedef void (*rtevent_arp_update_fn)(void *, struct rtentry *, uint8_t *, struct sockaddr *);
 typedef void (*rtevent_redirect_fn)(void *, struct rtentry *, struct rtentry *, struct sockaddr *);
-/* route_arp_update_event is no longer generated; see arp_update_event */
-EVENTHANDLER_DECLARE(route_arp_update_event, rtevent_arp_update_fn);
 EVENTHANDLER_DECLARE(route_redirect_event, rtevent_redirect_fn);
 #endif