--- src/sys/netinet6/nd6_nbr.c	2007/08/16 20:03:58	1.19
+++ src/sys/netinet6/nd6_nbr.c	2007/08/27 13:15:14	1.20
@@ -959,7 +959,6 @@ caddr_t
 nd6_ifptomac(struct ifnet *ifp)
 {
 	switch (ifp->if_type) {
-	case IFT_ARCNET:
 	case IFT_ETHER:
 	case IFT_FDDI:
 	case IFT_IEEE1394: