diff --git a/_config/graphql.yml b/_config/graphql.yml
index 9e20b038f..fb89f0b72 100644
--- a/_config/graphql.yml
+++ b/_config/graphql.yml
@@ -3,17 +3,8 @@ Name: asset-admin-graphql
 Only:
   classexists: 'SilverStripe\GraphQL\Schema\Schema'
 ---
-SilverStripe\Core\Injector\Injector:
-  SilverStripe\GraphQL\Schema\Registry\ResolverRegistry:
-    constructor:
-      assetAdminResolver: '%$SilverStripe\AssetAdmin\GraphQL\Resolvers\AssetAdminResolver'
-      fileTypeResolver: '%$SilverStripe\AssetAdmin\GraphQL\Resolvers\FileTypeResolver'
-      folderTypeResolver: '%$SilverStripe\AssetAdmin\GraphQL\Resolvers\FolderTypeResolver'
-      publicationResolver: '%$SilverStripe\AssetAdmin\GraphQL\Resolvers\PublicationResolver'
 SilverStripe\GraphQL\Schema\Schema:
   schemas:
     admin:
       src:
         assetAdmin: 'silverstripe/asset-admin: _graphql'
-      builders:
-        assetAdmin: SilverStripe\AssetAdmin\GraphQL\Schema\Builder
diff --git a/_graphql/config.yml b/_graphql/config.yml
new file mode 100644
index 000000000..c2ccd16d9
--- /dev/null
+++ b/_graphql/config.yml
@@ -0,0 +1,7 @@
+resolvers:
+  - SilverStripe\AssetAdmin\GraphQL\Resolvers\AssetAdminResolver
+  - SilverStripe\AssetAdmin\GraphQL\Resolvers\FileTypeResolver
+  - SilverStripe\AssetAdmin\GraphQL\Resolvers\FolderTypeResolver
+  - SilverStripe\AssetAdmin\GraphQL\Resolvers\PublicationResolver
+execute:
+  - SilverStripe\AssetAdmin\GraphQL\Schema\Builder
diff --git a/code/GraphQL/Resolvers/AssetAdminResolver.php b/code/GraphQL/Resolvers/AssetAdminResolver.php
index ddcb2b401..825f15192 100644
--- a/code/GraphQL/Resolvers/AssetAdminResolver.php
+++ b/code/GraphQL/Resolvers/AssetAdminResolver.php
@@ -19,10 +19,7 @@
 use SilverStripe\Versioned\Versioned;
 use InvalidArgumentException;
 
-if (!class_exists(DefaultResolverProvider::class)) {
-    return;
-}
-class AssetAdminResolver extends DefaultResolverProvider
+class AssetAdminResolver
 {
     public static function resolveFileInterfaceType($object)
     {
@@ -263,7 +260,7 @@ public static function resolveReadFileUsage($object, array $args, $context, Reso
      * @return DataList|Filterable
      * @throws HTTPResponse_Exception
      */
-    public static function resolveReadFiles($object, array $args, $context, $info)
+    public static function resolveReadFiles($object, array $args = [], $context = [], $info = null)
     {
         $filter = (!empty($args['filter'])) ? $args['filter'] : [];
 
diff --git a/code/GraphQL/Resolvers/FileTypeResolver.php b/code/GraphQL/Resolvers/FileTypeResolver.php
index 80c6cb0a4..85909f724 100644
--- a/code/GraphQL/Resolvers/FileTypeResolver.php
+++ b/code/GraphQL/Resolvers/FileTypeResolver.php
@@ -3,22 +3,15 @@
 
 namespace SilverStripe\AssetAdmin\GraphQL\Resolvers;
 
-use GraphQL\Type\Definition\ResolveInfo;
 use SilverStripe\AssetAdmin\Controller\AssetAdmin;
 use SilverStripe\AssetAdmin\Forms\UploadField;
 use SilverStripe\AssetAdmin\Model\ThumbnailGenerator;
 use SilverStripe\Assets\File;
-use SilverStripe\Assets\Folder;
 use SilverStripe\Assets\Storage\AssetContainer;
 use SilverStripe\Core\Injector\Injectable;
-use SilverStripe\GraphQL\Schema\DataObject\FieldAccessor;
-use SilverStripe\GraphQL\Schema\Resolver\DefaultResolverProvider;
 
-if (!class_exists(DefaultResolverProvider::class)) {
-    return;
-}
 
-class FileTypeResolver extends DefaultResolverProvider
+class FileTypeResolver
 {
     use Injectable;
 
diff --git a/code/GraphQL/Resolvers/FolderTypeResolver.php b/code/GraphQL/Resolvers/FolderTypeResolver.php
index 1cfe65a5a..17fffddaa 100644
--- a/code/GraphQL/Resolvers/FolderTypeResolver.php
+++ b/code/GraphQL/Resolvers/FolderTypeResolver.php
@@ -8,9 +8,7 @@
 use SilverStripe\AssetAdmin\GraphQL\FileFilter;
 use SilverStripe\Assets\File;
 use SilverStripe\Assets\Folder;
-use SilverStripe\GraphQL\Pagination\Connection;
 use SilverStripe\GraphQL\QueryHandler\QueryHandler;
-use SilverStripe\GraphQL\Schema\Resolver\DefaultResolverProvider;
 use SilverStripe\ORM\DataList;
 use SilverStripe\ORM\DataQuery;
 use SilverStripe\ORM\DB;
@@ -18,11 +16,7 @@
 use InvalidArgumentException;
 use Exception;
 
-if (!class_exists(DefaultResolverProvider::class)) {
-    return;
-}
-
-class FolderTypeResolver extends DefaultResolverProvider
+class FolderTypeResolver
 {
     /**
      * @param Folder $object
diff --git a/code/GraphQL/Resolvers/PublicationResolver.php b/code/GraphQL/Resolvers/PublicationResolver.php
index 32b7400d5..6801d012e 100644
--- a/code/GraphQL/Resolvers/PublicationResolver.php
+++ b/code/GraphQL/Resolvers/PublicationResolver.php
@@ -7,16 +7,11 @@
 use SilverStripe\AssetAdmin\GraphQL\Notice;
 use SilverStripe\Assets\File;
 use SilverStripe\GraphQL\QueryHandler\QueryHandler;
-use SilverStripe\GraphQL\Schema\Resolver\DefaultResolverProvider;
 use SilverStripe\Versioned\RecursivePublishable;
 use SilverStripe\Versioned\Versioned;
 use InvalidArgumentException;
 
-if (!class_exists(DefaultResolverProvider::class)) {
-    return;
-}
-
-class PublicationResolver extends DefaultResolverProvider
+class PublicationResolver
 {
     const ACTION_PUBLISH = 'publish';
     const ACTION_UNPUBLISH = 'unpublish';