diff --git a/src/backend/src/controller/settings_manager.py b/src/backend/src/controller/settings_manager.py
index aa80d265..2cb46503 100644
--- a/src/backend/src/controller/settings_manager.py
+++ b/src/backend/src/controller/settings_manager.py
@@ -949,7 +949,6 @@ def ensure_default_team_and_project(self):
                     name='Admin Team',
                     title='Default Administrator Team',
                     description='Auto-created team for system administrators',
-                    domain_id=None,
                     extra_metadata='{}',
                     created_by='system@startup.ucapp',
                     updated_by='system@startup.ucapp'