diff --git a/doctrine/doctrine-bundle/2.3/config/packages/prod/doctrine.yaml b/doctrine/doctrine-bundle/2.3/config/packages/prod/doctrine.yaml
index 084f59a0..17299e28 100644
--- a/doctrine/doctrine-bundle/2.3/config/packages/prod/doctrine.yaml
+++ b/doctrine/doctrine-bundle/2.3/config/packages/prod/doctrine.yaml
@@ -1,9 +1,6 @@
 doctrine:
     orm:
         auto_generate_proxy_classes: false
-        metadata_cache_driver:
-            type: pool
-            pool: doctrine.system_cache_pool
         query_cache_driver:
             type: pool
             pool: doctrine.system_cache_pool
diff --git a/doctrine/doctrine-bundle/2.4/config/packages/prod/doctrine.yaml b/doctrine/doctrine-bundle/2.4/config/packages/prod/doctrine.yaml
index 084f59a0..17299e28 100644
--- a/doctrine/doctrine-bundle/2.4/config/packages/prod/doctrine.yaml
+++ b/doctrine/doctrine-bundle/2.4/config/packages/prod/doctrine.yaml
@@ -1,9 +1,6 @@
 doctrine:
     orm:
         auto_generate_proxy_classes: false
-        metadata_cache_driver:
-            type: pool
-            pool: doctrine.system_cache_pool
         query_cache_driver:
             type: pool
             pool: doctrine.system_cache_pool