diff --git a/ospf6d/ospf6_top.h b/ospf6d/ospf6_top.h
index ba485f9..4b2d2c3 100644
--- a/ospf6d/ospf6_top.h
+++ b/ospf6d/ospf6_top.h
@@ -69,6 +69,7 @@
 
 /* prototypes */
 extern void ospf6_top_init (void);
+extern void ospf6_delete (struct ospf6 *o);
 
 extern void ospf6_maxage_remove (struct ospf6 *o);