password_hashers:
         Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface: 'auto'
     # https://symfony.com/doc/current/security.html#loading-the-user-the-user-provider
-    providers:
-        users_in_memory: { memory: null }
+#    providers:
+#        users_in_memory: { memory: null }
     firewalls:
         dev:
             pattern: ^/(_(profiler|wdt)|css|images|js)/
             security: false
         main:
             lazy: true
-            provider: users_in_memory
+#            provider: users_in_memory
 
             # activate different ways to authenticate
             # https://symfony.com/doc/current/security.html#the-firewall