diff --git a/ospfd/ospf_flood.h b/ospfd/ospf_flood.h
index 5382e8f..1ab11b8 100644
--- a/ospfd/ospf_flood.h
+++ b/ospfd/ospf_flood.h
@@ -66,6 +66,7 @@
 extern void ospf_flood_lsa_as (struct ospf_lsa *);
 extern void ospf_lsa_flush_area (struct ospf_lsa *, struct ospf_area *);
 extern void ospf_lsa_flush_as (struct ospf *, struct ospf_lsa *);
+extern void ospf_lsa_flush (struct ospf *, struct ospf_lsa *);
 extern struct external_info *ospf_external_info_check (struct ospf_lsa *);
 
 extern void ospf_lsdb_init (struct ospf_lsdb *);