diff --git a/lib/Doctrine/Repository.php b/lib/Doctrine/Repository.php
index 615f2542dd..cb264bc409 100644
--- a/lib/Doctrine/Repository.php
+++ b/lib/Doctrine/Repository.php
@@ -2,7 +2,6 @@
 
 namespace MailPoet\Doctrine;
 
-use MailPoetVendor\Doctrine\DBAL\Connection;
 use MailPoetVendor\Doctrine\ORM\EntityManager;
 use MailPoetVendor\Doctrine\ORM\EntityRepository as DoctrineEntityRepository;
 use MailPoetVendor\Doctrine\ORM\Mapping\ClassMetadata;
@@ -76,12 +75,10 @@ abstract class Repository {
     $cmd = $this->entityManager->getClassMetadata($this->getEntityClassName());
     $tableName = $cmd->getTableName();
     $connection = $this->entityManager->getConnection();
-    $connection->transactional(function(Connection $connection) use ($tableName) {
-      $connection->query('SET FOREIGN_KEY_CHECKS=0');
-      $q = "TRUNCATE $tableName";
-      $connection->executeUpdate($q);
-      $connection->query('SET FOREIGN_KEY_CHECKS=1');
-    });
+    $connection->query('SET FOREIGN_KEY_CHECKS=0');
+    $q = "TRUNCATE $tableName";
+    $connection->executeUpdate($q);
+    $connection->query('SET FOREIGN_KEY_CHECKS=1');
   }
 
   /**
diff --git a/tests/integration/_bootstrap.php b/tests/integration/_bootstrap.php
index f550efb923..766e2a25c0 100644
--- a/tests/integration/_bootstrap.php
+++ b/tests/integration/_bootstrap.php
@@ -59,11 +59,9 @@ array_map($destroy, $models);
 $entityManager = ContainerWrapper::getInstance(WP_DEBUG)->get(EntityManager::class);
 foreach ($entities as $entity) {
   $tableName = $entityManager->getClassMetadata($entity)->getTableName();
-  $connection->transactional(function(Connection $connection) use ($tableName) {
-    $connection->query('SET FOREIGN_KEY_CHECKS=0');
-    $connection->executeUpdate("TRUNCATE $tableName");
-    $connection->query('SET FOREIGN_KEY_CHECKS=1');
-  });
+  $connection->query('SET FOREIGN_KEY_CHECKS=0');
+  $connection->executeUpdate("TRUNCATE $tableName");
+  $connection->query('SET FOREIGN_KEY_CHECKS=1');
 }
 
 // save plugin version to avoid running migrations (that cause $GLOBALS serialization errors)
@@ -218,11 +216,9 @@ abstract class MailPoetTest extends \Codeception\TestCase\Test { // phpcs:ignore
     $classMetadata = $this->entityManager->getClassMetadata($entityName);
     $tableName = $classMetadata->getTableName();
     $connection = $this->entityManager->getConnection();
-    $connection->transactional(function(Connection $connection) use ($tableName) {
-      $connection->query('SET FOREIGN_KEY_CHECKS=0');
-      $connection->executeUpdate("TRUNCATE $tableName");
-      $connection->query('SET FOREIGN_KEY_CHECKS=1');
-    });
+    $connection->query('SET FOREIGN_KEY_CHECKS=0');
+    $connection->executeUpdate("TRUNCATE $tableName");
+    $connection->query('SET FOREIGN_KEY_CHECKS=1');
   }
 }