diff --git a/ripngd/ripng_route.h b/ripngd/ripng_route.h
index 2f5b757..fe65c88 100644
--- a/ripngd/ripng_route.h
+++ b/ripngd/ripng_route.h
@@ -48,7 +48,10 @@
                                        struct ripng_info *rinfo);
 extern void ripng_aggregate_decrement (struct route_node *rp,
                                        struct ripng_info *rinfo);
+extern void ripng_aggregate_decrement_list (struct route_node *rp,
+                                       struct list *list);
 extern int ripng_aggregate_add (struct prefix *p);
 extern int ripng_aggregate_delete (struct prefix *p);
+extern void ripng_aggregate_free (struct ripng_aggregate *aggregate);
 
 #endif /* _ZEBRA_RIPNG_ROUTE_H */