diff --git a/zebra/rt.h b/zebra/rt.h
index 7faa127..8c1c476 100644
--- a/zebra/rt.h
+++ b/zebra/rt.h
@@ -27,16 +27,9 @@
 #include "if.h"
 #include "zebra/rib.h"
 
-extern int kernel_add_ipv4 (struct prefix *, struct rib *);
-extern int kernel_delete_ipv4 (struct prefix *, struct rib *);
+extern int kernel_route_rib (struct prefix *, struct rib *, struct rib *);
 extern int kernel_add_route (struct prefix_ipv4 *, struct in_addr *, int, int);
 extern int kernel_address_add_ipv4 (struct interface *, struct connected *);
 extern int kernel_address_delete_ipv4 (struct interface *, struct connected *);
 
-#ifdef HAVE_IPV6
-extern int kernel_add_ipv6 (struct prefix *, struct rib *);
-extern int kernel_delete_ipv6 (struct prefix *, struct rib *);
-
-#endif /* HAVE_IPV6 */
-
 #endif /* _ZEBRA_RT_H */