diff --git a/tests/Pruner/PrunerTest.php b/tests/Pruner/PrunerTest.php
index 9923d9b..e24d2b6 100644
--- a/tests/Pruner/PrunerTest.php
+++ b/tests/Pruner/PrunerTest.php
@@ -23,7 +23,6 @@ final class PrunerTest extends TestCase
     public function it_prunes(): void
     {
         $expected = (new \DateTimeImmutable())->sub(new \DateInterval('PT30M'));
-        self::assertNotFalse($expected);
 
         $repository = $this->prophesize(NotificationRepositoryInterface::class);
         $repository->removeOlderThan(Argument::that(static function (\DateTimeInterface $dateTime) use ($expected) {