diff --git a/postgresql/client/pushkin.yml b/postgresql/client/pushkin.yml
index 12b5906..d768464 100644
--- a/postgresql/client/pushkin.yml
+++ b/postgresql/client/pushkin.yml
@@ -1,18 +1,14 @@
+classes:
+  - system.postgresql.client
 parameters:
   _param:
     pushkin_db_host: ${_param:haproxy_postgresql_bind_host}
-    pushkin_db_port: ${_param:haproxy_postgresql_bind_port}
     pushkin_db_user: pushkin
     pushkin_db_user_password: pushkin
   postgresql:
     client:
       server:
         server01:
-          admin:
-            host: ${_param:pushkin_db_host}
-            port: ${_param:pushkin_db_port}
-            user: ${_param:postgresql_admin_user}
-            password: ${_param:postgresql_admin_user_password}
           database:
             pushkin:
               enabled: true