diff --git a/ospfclient/ospf_apiclient.c b/ospfclient/ospf_apiclient.c
index db624ae074..50485cc7e2 100644
--- a/ospfclient/ospf_apiclient.c
+++ b/ospfclient/ospf_apiclient.c
@@ -46,6 +46,7 @@
 #include "ospfd/ospf_lsdb.h"
 #include "ospfd/ospf_neighbor.h"
 #include "ospfd/ospf_dump.h"
+#include "ospfd/ospf_route.h"
 #include "ospfd/ospf_zebra.h"
 #include "ospfd/ospf_api.h"
 
diff --git a/ospfd/ospf_asbr.c b/ospfd/ospf_asbr.c
index 18c1077da0..8e8f655305 100644
--- a/ospfd/ospf_asbr.c
+++ b/ospfd/ospf_asbr.c
@@ -73,26 +73,6 @@ void ospf_external_route_remove(struct ospf *ospf, struct prefix_ipv4 *p)
 		  p->prefixlen);
 }
 
-/* Lookup external route. */
-struct ospf_route *ospf_external_route_lookup(struct ospf *ospf,
-					      struct prefix_ipv4 *p)
-{
-	struct route_node *rn;
-
-	rn = route_node_lookup(ospf->old_external_route, (struct prefix *)p);
-	if (rn) {
-		route_unlock_node(rn);
-		if (rn->info)
-			return rn->info;
-	}
-
-	zlog_warn("Route[%s/%d]: lookup, no such prefix", inet_ntoa(p->prefix),
-		  p->prefixlen);
-
-	return NULL;
-}
-
-
 /* Add an External info for AS-external-LSA. */
 struct external_info *ospf_external_info_new(uint8_t type,
 					     unsigned short instance)
diff --git a/ospfd/ospf_asbr.h b/ospfd/ospf_asbr.h
index 370c6787b4..ac7bd68b5f 100644
--- a/ospfd/ospf_asbr.h
+++ b/ospfd/ospf_asbr.h
@@ -68,8 +68,6 @@ extern void ospf_external_info_delete(struct ospf *, uint8_t, unsigned short,
 extern struct external_info *ospf_external_info_lookup(struct ospf *, uint8_t,
 						       unsigned short,
 						       struct prefix_ipv4 *);
-extern struct ospf_route *ospf_external_route_lookup(struct ospf *,
-						     struct prefix_ipv4 *);
 extern void ospf_asbr_status_update(struct ospf *, uint8_t);
 
 extern void ospf_redistribute_withdraw(struct ospf *, uint8_t, unsigned short);
diff --git a/ospfd/ospf_main.c b/ospfd/ospf_main.c
index 6dadc05bba..8853802d07 100644
--- a/ospfd/ospf_main.c
+++ b/ospfd/ospf_main.c
@@ -49,6 +49,7 @@
 #include "ospfd/ospf_lsdb.h"
 #include "ospfd/ospf_neighbor.h"
 #include "ospfd/ospf_dump.h"
+#include "ospfd/ospf_route.h"
 #include "ospfd/ospf_zebra.h"
 #include "ospfd/ospf_vty.h"
 #include "ospfd/ospf_bfd.h"
diff --git a/ospfd/ospf_snmp.c b/ospfd/ospf_snmp.c
index c90db031dc..19d2e6a952 100644
--- a/ospfd/ospf_snmp.c
+++ b/ospfd/ospf_snmp.c
@@ -47,6 +47,7 @@
 #include "ospfd/ospf_flood.h"
 #include "ospfd/ospf_ism.h"
 #include "ospfd/ospf_dump.h"
+#include "ospfd/ospf_route.h"
 #include "ospfd/ospf_zebra.h"
 
 /* OSPF2-MIB. */
diff --git a/ospfd/ospfd.c b/ospfd/ospfd.c
index ac8f0d92c3..bfaedf2fe7 100644
--- a/ospfd/ospfd.c
+++ b/ospfd/ospfd.c
@@ -52,10 +52,10 @@
 #include "ospfd/ospf_spf.h"
 #include "ospfd/ospf_packet.h"
 #include "ospfd/ospf_dump.h"
+#include "ospfd/ospf_route.h"
 #include "ospfd/ospf_zebra.h"
 #include "ospfd/ospf_abr.h"
 #include "ospfd/ospf_flood.h"
-#include "ospfd/ospf_route.h"
 #include "ospfd/ospf_ase.h"