diff --git a/config/doctrine.php b/config/doctrine.php
index <HASH>..<HASH> 100644
--- a/config/doctrine.php
+++ b/config/doctrine.php
@@ -108,7 +108,6 @@ return [
     |--------------------------------------------------------------------------
     */
     'custom_types'               => [
-        'json' => LaravelDoctrine\ORM\Types\Json::class
     ],
     /*
     |--------------------------------------------------------------------------
diff --git a/src/Types/Json.php b/src/Types/Json.php
index <HASH>..<HASH> 100644
--- a/src/Types/Json.php
+++ b/src/Types/Json.php
@@ -14,6 +14,9 @@ use Doctrine\DBAL\Types\JsonArrayType;
  *      \Doctrine\DBAL\Types\Type::addType('json', '\Path\To\Custom\Type\Json');
  * @link http://www.doctrine-project.org/jira/browse/DBAL-446
  * @link https://github.com/doctrine/dbal/pull/655
+ *
+ * @deprecated Replaced by JsonType in Doctrine.
+ * You can safely remove usage of this type in your 'custom_type' configuration.
  */
 class Json extends JsonArrayType
 {
Deprecate and remove usage of our custom JsonType

This type is provided by doctrine.