diff --git a/mailpoet/lib/Util/DataInconsistency/DataInconsistencyRepository.php b/mailpoet/lib/Util/DataInconsistency/DataInconsistencyRepository.php
index d55b97c3b8..60989d8826 100644
--- a/mailpoet/lib/Util/DataInconsistency/DataInconsistencyRepository.php
+++ b/mailpoet/lib/Util/DataInconsistency/DataInconsistencyRepository.php
@@ -5,6 +5,8 @@ namespace MailPoet\Util\DataInconsistency;
 use MailPoet\Cron\Workers\SendingQueue\SendingQueue;
 use MailPoet\Entities\ScheduledTaskEntity;
 use MailPoetVendor\Doctrine\ORM\EntityManager;
+use MailPoetVendor\Doctrine\ORM\Query;
+use MailPoetVendor\Doctrine\ORM\QueryBuilder;
 
 class DataInconsistencyRepository {
   private EntityManager $entityManager;
@@ -16,14 +18,32 @@ class DataInconsistencyRepository {
   }
 
   public function getOrphanedSendingTasksCount(): int {
-    return (int)$this->entityManager->createQueryBuilder()
-      ->select('count(st.id)')
+    $builder = $this->entityManager->createQueryBuilder()
+      ->select('count(st.id)');
+    return (int)$this->buildOrphanedSendingTasksQuery($builder)->getSingleScalarResult();
+  }
+
+  public function cleanupOrphanedSendingTasks(): int {
+    $ids = $this->buildOrphanedSendingTasksQuery(
+      $this->entityManager->createQueryBuilder()
+      ->select('st.id')
+    )->getResult();
+
+    $qb = $this->entityManager->createQueryBuilder();
+    return $qb->delete(ScheduledTaskEntity::class, 'st')
+      ->where($qb->expr()->in('st.id', ':ids'))
+      ->setParameter('ids', array_column($ids, 'id'))
+      ->getQuery()
+      ->execute();
+  }
+
+  private function buildOrphanedSendingTasksQuery(QueryBuilder $queryBuilder): Query {
+    return $queryBuilder
       ->from(ScheduledTaskEntity::class, 'st')
       ->leftJoin('st.sendingQueue', 'sq')
       ->where('sq.id IS NULL')
       ->andWhere('st.type = :type')
       ->setParameter('type', SendingQueue::TASK_TYPE)
-      ->getQuery()
-      ->getSingleScalarResult();
+      ->getQuery();
   }
 }
diff --git a/mailpoet/tests/integration/Util/DataInconsistency/DataInconsistencyRepositoryTest.php b/mailpoet/tests/integration/Util/DataInconsistency/DataInconsistencyRepositoryTest.php
index 8dd32a11e5..4ebeda3226 100644
--- a/mailpoet/tests/integration/Util/DataInconsistency/DataInconsistencyRepositoryTest.php
+++ b/mailpoet/tests/integration/Util/DataInconsistency/DataInconsistencyRepositoryTest.php
@@ -10,11 +10,11 @@ use MailPoet\Test\DataFactories\SendingQueue;
 class DataInconsistencyRepositoryTest extends \MailPoetTest {
   private DataInconsistencyRepository $repository;
 
-  public function _before() {
+  public function _before(): void {
     $this->repository = $this->diContainer->get(DataInconsistencyRepository::class);
   }
 
-  public function testItFetchesOrphanedSendingTasksCount() {
+  public function testItFetchesOrphanedSendingTasksCount(): void {
     $orphanedSendingTasksCount = $this->repository->getOrphanedSendingTasksCount();
     verify($orphanedSendingTasksCount)->equals(0);
 
@@ -30,4 +30,15 @@ class DataInconsistencyRepositoryTest extends \MailPoetTest {
     $orphanedSendingTasksCount = $this->repository->getOrphanedSendingTasksCount();
     verify($orphanedSendingTasksCount)->equals(2);
   }
+
+  public function testItCleansUpOrphanedSendingTasks(): void {
+    (new ScheduledTask())->create(SendingQueueWorker::TASK_TYPE, ScheduledTaskEntity::STATUS_SCHEDULED);
+    (new ScheduledTask())->create(SendingQueueWorker::TASK_TYPE, null);
+    $orphanedSendingTasksCount = $this->repository->getOrphanedSendingTasksCount();
+    verify($orphanedSendingTasksCount)->equals(2);
+
+    $this->repository->cleanupOrphanedSendingTasks();
+    $orphanedSendingTasksCount = $this->repository->getOrphanedSendingTasksCount();
+    verify($orphanedSendingTasksCount)->equals(0);
+  }
 }