diff --git a/inventory/base/group_vars/all.yaml b/inventory/base/group_vars/all.yaml
index 1c686f515c..9e34a9480c 100644
--- a/inventory/base/group_vars/all.yaml
+++ b/inventory/base/group_vars/all.yaml
@@ -184,3 +184,6 @@ disabled_users:
   - shrews
   - dmsimard
   - pabelanger
+  - ubuntu
+  - centos
+  - admin