diff --git a/lib/ansible/utils/module_docs_fragments/aci.py b/lib/ansible/utils/module_docs_fragments/aci.py
index 2b2deb467d..48c0847306 100644
--- a/lib/ansible/utils/module_docs_fragments/aci.py
+++ b/lib/ansible/utils/module_docs_fragments/aci.py
@@ -23,7 +23,6 @@ options:
   username:
     description:
     - The username to use for authentication.
-    required: yes
     default: admin
     aliases: [ user ]
   password: