diff --git a/src/Bundle/ChillCalendarBundle/RemoteCalendar/Connector/MSGraph/MSGraphUserRepository.php b/src/Bundle/ChillCalendarBundle/RemoteCalendar/Connector/MSGraph/MSGraphUserRepository.php
deleted file mode 100644
index ae822669c..000000000
--- a/src/Bundle/ChillCalendarBundle/RemoteCalendar/Connector/MSGraph/MSGraphUserRepository.php
+++ /dev/null
@@ -1,84 +0,0 @@
-<?php
-
-/**
- * Chill is a software for social workers.
- *
- * For the full copyright and license information, please view
- * the LICENSE file that was distributed with this source code.
- */
-
-declare(strict_types=1);
-
-/*
- * Chill is a software for social workers
- *
- * For the full copyright and license information, please view
- * the LICENSE file that was distributed with this source code.
- */
-
-namespace Chill\CalendarBundle\RemoteCalendar\Connector\MSGraph;
-
-use Chill\MainBundle\Entity\User;
-use DateInterval;
-use Doctrine\ORM\EntityManagerInterface;
-use Doctrine\ORM\Query\ResultSetMapping;
-use Doctrine\ORM\Query\ResultSetMappingBuilder;
-use function strtr;
-
-/**
- * Contains classes and methods for fetching users with some calendar metadatas.
- */
-class MSGraphUserRepository
-{
-    private const MOST_OLD_SUBSCRIPTION_OR_ANY_MS_GRAPH = <<<'SQL'
-        select
-            {select}
-        from users u
-        where
-            NOT attributes ?? 'msgraph'
-            OR NOT attributes->'msgraph' ?? 'subscription_events_expiration'
-            OR (attributes->'msgraph' ?? 'subscription_events_expiration' AND (attributes->'msgraph'->>'subscription_events_expiration')::int < EXTRACT(EPOCH FROM (NOW() + :interval::interval)))
-        LIMIT :limit OFFSET :offset
-        ;
-        SQL;
-
-    private EntityManagerInterface $entityManager;
-
-    public function __construct(EntityManagerInterface $entityManager)
-    {
-        $this->entityManager = $entityManager;
-    }
-
-    public function countByMostOldSubscriptionOrWithoutSubscriptionOrData(DateInterval $interval): int
-    {
-        $rsm = new ResultSetMapping();
-        $rsm->addScalarResult('c', 'c');
-
-        $sql = strtr(self::MOST_OLD_SUBSCRIPTION_OR_ANY_MS_GRAPH, [
-            '{select}' => 'COUNT(u) AS c',
-            'LIMIT :limit OFFSET :offset' => '',
-        ]);
-
-        return $this->entityManager->createNativeQuery($sql, $rsm)->setParameters([
-            'interval' => $interval,
-        ])->getSingleScalarResult();
-    }
-
-    /**
-     * @return array<User>
-     */
-    public function findByMostOldSubscriptionOrWithoutSubscriptionOrData(DateInterval $interval, int $limit = 50, int $offset = 0): array
-    {
-        $rsm = new ResultSetMappingBuilder($this->entityManager);
-        $rsm->addRootEntityFromClassMetadata(User::class, 'u');
-
-        return $this->entityManager->createNativeQuery(
-            strtr(self::MOST_OLD_SUBSCRIPTION_OR_ANY_MS_GRAPH, ['{select}' => $rsm->generateSelectClause()]),
-            $rsm
-        )->setParameters([
-            'interval' => $interval,
-            'limit' => $limit,
-            'offset' => $offset,
-        ])->getResult();
-    }
-}
diff --git a/src/Bundle/ChillCalendarBundle/RemoteCalendar/DependencyInjection/RemoteCalendarCompilerPass.php b/src/Bundle/ChillCalendarBundle/RemoteCalendar/DependencyInjection/RemoteCalendarCompilerPass.php
index f56735de7..6a986c9db 100644
--- a/src/Bundle/ChillCalendarBundle/RemoteCalendar/DependencyInjection/RemoteCalendarCompilerPass.php
+++ b/src/Bundle/ChillCalendarBundle/RemoteCalendar/DependencyInjection/RemoteCalendarCompilerPass.php
@@ -23,6 +23,8 @@ use Chill\CalendarBundle\Command\MapAndSubscribeUserCalendarCommand;
 use Chill\CalendarBundle\Controller\RemoteCalendarConnectAzureController;
 use Chill\CalendarBundle\RemoteCalendar\Connector\MSGraph\MachineHttpClient;
 use Chill\CalendarBundle\RemoteCalendar\Connector\MSGraph\MachineTokenStorage;
+use Chill\CalendarBundle\RemoteCalendar\Connector\MSGraph\MSUserAbsenceReaderInterface;
+use Chill\CalendarBundle\RemoteCalendar\Connector\MSGraph\MSUserAbsenceSync;
 use Chill\CalendarBundle\RemoteCalendar\Connector\MSGraphRemoteCalendarConnector;
 use Chill\CalendarBundle\RemoteCalendar\Connector\NullRemoteCalendarConnector;
 use Chill\CalendarBundle\RemoteCalendar\Connector\RemoteCalendarConnectorInterface;
@@ -37,17 +39,13 @@ class RemoteCalendarCompilerPass implements CompilerPassInterface
     public function process(ContainerBuilder $container)
     {
         $config = $container->getParameter('chill_calendar');
-        $connector = null;
 
-        if (!$config['remote_calendars_sync']['enabled']) {
-            $connector = NullRemoteCalendarConnector::class;
-        }
-
-        if ($config['remote_calendars_sync']['microsoft_graph']['enabled']) {
+        if (true === $config['remote_calendars_sync']['microsoft_graph']['enabled']) {
             $connector = MSGraphRemoteCalendarConnector::class;
 
             $container->setAlias(HttpClientInterface::class . ' $machineHttpClient', MachineHttpClient::class);
         } else {
+            $connector = NullRemoteCalendarConnector::class;
             // remove services which cannot be loaded
             $container->removeDefinition(MapAndSubscribeUserCalendarCommand::class);
             $container->removeDefinition(AzureGrantAdminConsentAndAcquireToken::class);
@@ -55,16 +53,14 @@ class RemoteCalendarCompilerPass implements CompilerPassInterface
             $container->removeDefinition(MachineTokenStorage::class);
             $container->removeDefinition(MachineHttpClient::class);
             $container->removeDefinition(MSGraphRemoteCalendarConnector::class);
+            $container->removeDefinition(MSUserAbsenceReaderInterface::class);
+            $container->removeDefinition(MSUserAbsenceSync::class);
         }
 
         if (!$container->hasAlias(Azure::class) && $container->hasDefinition('knpu.oauth2.client.azure')) {
             $container->setAlias(Azure::class, 'knpu.oauth2.provider.azure');
         }
 
-        if (null === $connector) {
-            throw new RuntimeException('Could not configure remote calendar');
-        }
-
         foreach ([
             NullRemoteCalendarConnector::class,
             MSGraphRemoteCalendarConnector::class, ] as $serviceId) {