diff --git a/metadata/service/control/cluster.yml b/metadata/service/control/cluster.yml
index b274228..9d06756 100644
--- a/metadata/service/control/cluster.yml
+++ b/metadata/service/control/cluster.yml
@@ -32,7 +32,4 @@
         password: ${_param:rabbitmq_openstack_password}
         virtual_host: '/openstack'
         ha_queues: true
-      storage:
-        engine: iscsi
-        host: localhost
-      types: []
\ No newline at end of file
+      backend: []
\ No newline at end of file
diff --git a/metadata/service/control/cluster_control.yml b/metadata/service/control/cluster_control.yml
index b274228..9d06756 100644
--- a/metadata/service/control/cluster_control.yml
+++ b/metadata/service/control/cluster_control.yml
@@ -32,7 +32,4 @@
         password: ${_param:rabbitmq_openstack_password}
         virtual_host: '/openstack'
         ha_queues: true
-      storage:
-        engine: iscsi
-        host: localhost
-      types: []
\ No newline at end of file
+      backend: []
\ No newline at end of file
diff --git a/metadata/service/control/single.yml b/metadata/service/control/single.yml
index 68dc240..24ac296 100644
--- a/metadata/service/control/single.yml
+++ b/metadata/service/control/single.yml
@@ -32,7 +32,4 @@
         password: ${_secret:rabbitmq_openstack_password}
         virtual_host: '/openstack'
         ha_queues: false
-      storage:
-        engine: iscsi
-        host: localhost
-      types: []
+      backend: []
diff --git a/metadata/service/volume/single.yml b/metadata/service/volume/single.yml
index 1676dcb..8a95e20 100644
--- a/metadata/service/volume/single.yml
+++ b/metadata/service/volume/single.yml
@@ -32,7 +32,4 @@
         password: ${_param:rabbitmq_openstack_password}
         virtual_host: '/openstack'
         ha_queues: true
-      storage:
-        engine: iscsi
-        host: localhost
-      types: []
\ No newline at end of file
+      backend: []
\ No newline at end of file