diff --git a/plugins/modules/helm_registry_auth.py b/plugins/modules/helm_registry_auth.py
index 06eecf29..ad9dd815 100644
--- a/plugins/modules/helm_registry_auth.py
+++ b/plugins/modules/helm_registry_auth.py
@@ -187,7 +187,6 @@ def main():
     module = AnsibleHelmModule(
         argument_spec=arg_spec(),
         required_together=[["username", "password"]],
-        mutually_exclusive=None,
         supports_check_mode=True,
     )