diff --git a/app/config/config.yml b/app/config/config.yml
index 25f6647196..8824edaebb 100644
--- a/app/config/config.yml
+++ b/app/config/config.yml
@@ -13,6 +13,7 @@ framework:
     form:            ~
     csrf_protection: ~
     validation:      { enable_annotations: true }
+    #serializer:      { enable_annotations: true }
     templating:
         engines: ['twig']
         #assets_version: SomeVersionScheme
diff --git a/app/config/config_prod.yml b/app/config/config_prod.yml
index 342837a031..5e5f0bcb02 100644
--- a/app/config/config_prod.yml
+++ b/app/config/config_prod.yml
@@ -3,7 +3,9 @@ imports:
 
 #framework:
 #    validation:
-#        cache: apc
+#        cache: validator.mapping.cache.apc
+#    serializer:
+#        cache: serializer.mapping.cache.apc
 
 #doctrine:
 #    orm: