diff --git a/usr.sbin/rtadvd/config.c b/usr.sbin/rtadvd/config.c
index 02a241d70660..f0e11a346087 100644
--- a/usr.sbin/rtadvd/config.c
+++ b/usr.sbin/rtadvd/config.c
@@ -296,10 +296,8 @@ rm_rainfo(struct rainfo *rai)
 	if (rai->rai_ra_data != NULL)
 		free(rai->rai_ra_data);
 
-	while ((pfx = TAILQ_FIRST(&rai->rai_prefix)) != NULL) {
-		TAILQ_REMOVE(&rai->rai_prefix, pfx, pfx_next);
-		free(pfx);
-	}
+	while ((pfx = TAILQ_FIRST(&rai->rai_prefix)) != NULL)
+		delete_prefix(pfx);
 	while ((sol = TAILQ_FIRST(&rai->rai_soliciter)) != NULL) {
 		TAILQ_REMOVE(&rai->rai_soliciter, sol, sol_next);
 		free(sol);