diff --git a/Resources/doc/config.rst b/Resources/doc/config.rst
index cfc3aa01..0a81c71a 100644
--- a/Resources/doc/config.rst
+++ b/Resources/doc/config.rst
@@ -67,7 +67,7 @@ Sample Configuration
                     server: '%env(resolve:MONGODB_URL)%'
 
 If you wish to use memcache to cache your metadata, you need to configure the
-``Memcache`` instance; for example, you can do the following:
+``Memcached`` instance; for example, you can do the following:
 
 .. configuration-block::
 
@@ -85,11 +85,11 @@ If you wish to use memcache to cache your metadata, you need to configure the
                     mappings:
                         AcmeDemoBundle: ~
                     metadata_cache_driver:
-                        type: memcache
+                        type: memcached
                         class: Symfony\Component\Cache\Adapter\MemcachedAdapter
                         host: localhost
                         port: 11211
-                        instance_class: Memcache
+                        instance_class: Memcached
 
     .. code-block:: xml
 
@@ -104,11 +104,11 @@ If you wish to use memcache to cache your metadata, you need to configure the
             <doctrine_mongodb:config default-database="hello_%kernel.environment%">
                 <doctrine_mongodb:document-manager id="default">
                     <doctrine_mongodb:mapping name="AcmeDemoBundle" />
-                    <doctrine_mongodb:metadata-cache-driver type="memcache">
-                        <doctrine_mongodb:class>Doctrine\Common\Cache\MemcacheCache</doctrine_mongodb:class>
+                    <doctrine_mongodb:metadata-cache-driver type="memcached">
+                        <doctrine_mongodb:class>Symfony\Component\Cache\Adapter\MemcachedAdapter</doctrine_mongodb:class>
                         <doctrine_mongodb:host>localhost</doctrine_mongodb:host>
                         <doctrine_mongodb:port>11211</doctrine_mongodb:port>
-                        <doctrine_mongodb:instance-class>Memcache</doctrine_mongodb:instance-class>
+                        <doctrine_mongodb:instance-class>Memcached</doctrine_mongodb:instance-class>
                     </doctrine_mongodb:metadata-cache-driver>
                 </doctrine_mongodb:document-manager>
                 <doctrine_mongodb:connection id="default" server="mongodb://localhost:27017">
@@ -330,7 +330,7 @@ following syntax:
                 dm1:
                     connection: conn1
                     database: db1
-                    metadata_cache_driver: xcache
+                    metadata_cache_driver: array
                     mappings:
                         AcmeDemoBundle: ~
                 dm2:
@@ -363,7 +363,7 @@ following syntax:
                     <doctrine_mongodb:options>
                     </doctrine_mongodb:options>
                 </doctrine_mongodb:connection>
-                <doctrine_mongodb:document-manager id="dm1" metadata-cache-driver="xcache" connection="conn1" database="db1">
+                <doctrine_mongodb:document-manager id="dm1" metadata-cache-driver="array" connection="conn1" database="db1">
                     <doctrine_mongodb:mapping name="AcmeDemoBundle" />
                 </doctrine_mongodb:document-manager>
                 <doctrine_mongodb:document-manager id="dm2" connection="conn2" database="db2">
diff --git a/Tests/DependencyInjection/AbstractMongoDBExtensionTestCase.php b/Tests/DependencyInjection/AbstractMongoDBExtensionTestCase.php
index 440d78e1..29175548 100644
--- a/Tests/DependencyInjection/AbstractMongoDBExtensionTestCase.php
+++ b/Tests/DependencyInjection/AbstractMongoDBExtensionTestCase.php
@@ -15,6 +15,9 @@
 use Doctrine\ODM\MongoDB\Mapping\Driver\AttributeDriver;
 use MongoDB\Client;
 use PHPUnit\Framework\AssertionFailedError;
+use Symfony\Component\Cache\Adapter\ApcuAdapter;
+use Symfony\Component\Cache\Adapter\ArrayAdapter;
+use Symfony\Component\Cache\Adapter\MemcachedAdapter;
 use Symfony\Component\DependencyInjection\Container;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Definition;