diff --git a/inventory/group_vars/mailman b/inventory/group_vars/mailman
index 113be4af60..ac443f35bb 100644
--- a/inventory/group_vars/mailman
+++ b/inventory/group_vars/mailman
@@ -14,8 +14,7 @@ tcp_ports: [
 
 fas_client_groups: sysadmin-tools,sysadmin-main
 
-# for fedora-messaging
-username: "mailman{{ env_suffix }}"
+deployment_type: prod
 
 # These are consumed by a task in roles/fedmsg/base/main.yml
 fedmsg_certs:
diff --git a/inventory/group_vars/mailman_stg b/inventory/group_vars/mailman_stg
index bc58edcf43..8480f62676 100644
--- a/inventory/group_vars/mailman_stg
+++ b/inventory/group_vars/mailman_stg
@@ -13,9 +13,6 @@ tcp_ports: [
 ]
 fas_client_groups: sysadmin-tools,sysadmin-main
 
-# for fedora-messaging
-username: "mailman{{ env_suffix }}"
-
 # These are consumed by a task in roles/fedmsg/base/main.yml
 fedmsg_certs:
 - service: shell