diff --git a/backend/open_webui/utils/oauth.py b/backend/open_webui/utils/oauth.py
index a7f40971b..70d130804 100644
--- a/backend/open_webui/utils/oauth.py
+++ b/backend/open_webui/utils/oauth.py
@@ -57,7 +57,6 @@ auth_manager_config.OAUTH_ALLOWED_ROLES = OAUTH_ALLOWED_ROLES
 auth_manager_config.OAUTH_ADMIN_ROLES = OAUTH_ADMIN_ROLES
 auth_manager_config.OAUTH_ALLOWED_DOMAINS = OAUTH_ALLOWED_DOMAINS
 auth_manager_config.WEBHOOK_URL = WEBHOOK_URL
-auth_manager_config.WEBHOOK_MESSAGES = WEBHOOK_MESSAGES
 auth_manager_config.JWT_EXPIRES_IN = JWT_EXPIRES_IN
 
 
@@ -296,12 +295,10 @@ class OAuthManager:
                 if auth_manager_config.WEBHOOK_URL:
                     post_webhook(
                         auth_manager_config.WEBHOOK_URL,
-                        auth_manager_config.WEBHOOK_MESSAGES.USER_SIGNUP(user.name),
+                        WEBHOOK_MESSAGES.USER_SIGNUP(user.name),
                         {
                             "action": "signup",
-                            "message": auth_manager_config.WEBHOOK_MESSAGES.USER_SIGNUP(
-                                user.name
-                            ),
+                            "message": WEBHOOK_MESSAGES.USER_SIGNUP(user.name),
                             "user": user.model_dump_json(exclude_none=True),
                         },
                     )