diff --git a/module/VuFind/src/VuFind/Controller/OAuth2Controller.php b/module/VuFind/src/VuFind/Controller/OAuth2Controller.php
index 94c00017e95..3ae2ccc3687 100644
--- a/module/VuFind/src/VuFind/Controller/OAuth2Controller.php
+++ b/module/VuFind/src/VuFind/Controller/OAuth2Controller.php
@@ -38,7 +38,6 @@
 use Laminas\ServiceManager\ServiceLocatorInterface;
 use Laminas\Session\Container as SessionContainer;
 use League\OAuth2\Server\Exception\OAuthServerException;
-use LmcRbacMvc\Service\AuthorizationService as LmAuthorizationService;
 use OpenIDConnectServer\ClaimExtractor;
 use VuFind\Config\PathResolver;
 use VuFind\Db\Service\AccessTokenServiceInterface;
@@ -90,7 +89,6 @@ class OAuth2Controller extends AbstractBase implements LoggerAwareInterface
      * @param array                       $oauth2Config       OAuth2 configuration
      * @param callable                    $asf                OAuth2 authorization server factory
      * @param callable                    $rsf                OAuth2 resource server factory
-     * @param LmAuthorizationService      $authService        Laminas authorization service
      * @param CsrfInterface               $csrf               CSRF validator
      * @param SessionContainer            $session            Session container
      * @param IdentityRepository          $identityRepository Identity repository
@@ -104,7 +102,6 @@ public function __construct(
         protected array $oauth2Config,
         callable $asf,
         callable $rsf,
-        protected LmAuthorizationService $authService,
         protected CsrfInterface $csrf,
         protected \Laminas\Session\Container $session,
         protected IdentityRepository $identityRepository,
diff --git a/module/VuFind/src/VuFind/Controller/OAuth2ControllerFactory.php b/module/VuFind/src/VuFind/Controller/OAuth2ControllerFactory.php
index 83ad00254fb..f39628bea1c 100644
--- a/module/VuFind/src/VuFind/Controller/OAuth2ControllerFactory.php
+++ b/module/VuFind/src/VuFind/Controller/OAuth2ControllerFactory.php
@@ -137,7 +137,6 @@ public function __invoke(
                 $this->oauth2Config,
                 $this->getAuthorizationServerFactory(),
                 $this->getResourceServerFactory(),
-                $container->get(\LmcRbacMvc\Service\AuthorizationService::class),
                 $container->get(\VuFind\Validator\CsrfInterface::class),
                 $session,
                 $container->get(IdentityRepository::class),