diff --git a/src/Monolog/Formatter/MongoDBFormatter.php b/src/Monolog/Formatter/MongoDBFormatter.php
index a3bdd4f87..9b7da8a9c 100644
--- a/src/Monolog/Formatter/MongoDBFormatter.php
+++ b/src/Monolog/Formatter/MongoDBFormatter.php
@@ -154,7 +154,6 @@ private function legacyGetMongoDbDateTime(\DateTimeInterface $value): UTCDateTim
             ? (int) $milliseconds
             : (string) $milliseconds;
 
-        // @phpstan-ignore-next-line
         return new UTCDateTime($milliseconds);
     }
 }
diff --git a/tests/Monolog/Handler/MongoDBHandlerTest.php b/tests/Monolog/Handler/MongoDBHandlerTest.php
index 0a518c717..6f293f11e 100644
--- a/tests/Monolog/Handler/MongoDBHandlerTest.php
+++ b/tests/Monolog/Handler/MongoDBHandlerTest.php
@@ -14,6 +14,9 @@
 use MongoDB\Driver\Manager;
 use Monolog\Test\TestCase;
 
+/**
+ * @requires extension mongodb
+ */
 class MongoDBHandlerTest extends TestCase
 {
     public function testConstructorShouldThrowExceptionForInvalidMongo()
@@ -56,10 +59,6 @@ public function testHandleWithLibraryClient()
 
     public function testHandleWithDriverManager()
     {
-        if (!(class_exists('MongoDB\Driver\Manager'))) {
-            $this->markTestSkipped('ext-mongodb not installed');
-        }
-
         /* This can become a unit test once ManagerInterface can be mocked.
          * See: https://jira.mongodb.org/browse/PHPC-378
          */