diff --git a/src/Symfony/Component/Lock/composer.json b/src/Symfony/Component/Lock/composer.json
index 8e82285b40..d604d2bd68 100644
--- a/src/Symfony/Component/Lock/composer.json
+++ b/src/Symfony/Component/Lock/composer.json
@@ -21,7 +21,6 @@
     },
     "require-dev": {
         "doctrine/dbal": "~2.5",
-        "mongodb/mongodb": "~1.1",
         "predis/predis": "~1.0"
     },
     "conflict": {
diff --git a/src/Symfony/Component/Lock/phpunit.xml.dist b/src/Symfony/Component/Lock/phpunit.xml.dist
index 96c3ea1903..4a066573f7 100644
--- a/src/Symfony/Component/Lock/phpunit.xml.dist
+++ b/src/Symfony/Component/Lock/phpunit.xml.dist
@@ -12,7 +12,6 @@
         <ini name="error_reporting" value="-1" />
         <env name="REDIS_HOST" value="localhost" />
         <env name="MEMCACHED_HOST" value="localhost" />
-        <env name="MONGODB_HOST" value="localhost" />
         <env name="ZOOKEEPER_HOST" value="localhost" />
     </php>