diff --git a/ospf6d/ospf6_route.h b/ospf6d/ospf6_route.h
index 8dcc877..b384824 100644
--- a/ospf6d/ospf6_route.h
+++ b/ospf6d/ospf6_route.h
@@ -300,6 +300,7 @@
 extern int config_write_ospf6_debug_route (struct vty *vty);
 extern void install_element_ospf6_debug_route (void);
 extern void ospf6_route_init (void);
+extern void ospf6_clean (void);
 
 #endif /* OSPF6_ROUTE_H */