diff --git a/devstack/lib/tacker b/devstack/lib/tacker
index 64c340e0c..b12072e42 100644
--- a/devstack/lib/tacker
+++ b/devstack/lib/tacker
@@ -279,7 +279,6 @@ function configure_tacker {
         iniset $TACKER_CONF alarm_auth username admin
         iniset $TACKER_CONF alarm_auth password "$ADMIN_PASSWORD"
         iniset $TACKER_CONF alarm_auth project_name admin
-        iniset $TACKER_CONF alarm_auth url http://$SERVICE_HOST:5000/v3
 
         echo "Creating bridge"
         sudo ovs-vsctl --may-exist add-br ${BR_MGMT}