diff --git a/src/GraphQL/ServiceProvider.php b/src/GraphQL/ServiceProvider.php
index a71c0dc935..0f95eab265 100644
--- a/src/GraphQL/ServiceProvider.php
+++ b/src/GraphQL/ServiceProvider.php
@@ -49,9 +49,7 @@ private function hasPublishedConfig()
 
     private function disableGraphqlRoutes()
     {
-        $key = $this->isLegacyRebingGraphql() ? 'graphql.routes' : 'graphql.route';
-
-        config([$key => false]);
+        config(['graphql.route' => false]);
     }
 
     private function addMiddleware()
@@ -73,9 +71,4 @@ private function setDefaultSchema()
     {
         config(['graphql.schemas.default' => DefaultSchema::class]);
     }
-
-    protected function isLegacyRebingGraphql()
-    {
-        return class_exists('\Rebing\GraphQL\Support\ResolveInfoFieldsAndArguments');
-    }
 }
diff --git a/src/Http/Controllers/CP/GraphQLController.php b/src/Http/Controllers/CP/GraphQLController.php
index 97e8be24c7..aad55bc3e2 100644
--- a/src/Http/Controllers/CP/GraphQLController.php
+++ b/src/Http/Controllers/CP/GraphQLController.php
@@ -20,17 +20,8 @@ public function graphiql()
     {
         $this->authorize('view graphql');
 
-        $configKey = $this->isLegacyRebingGraphql()
-            ? 'graphql.prefix'
-            : 'graphql.route.prefix';
-
         return view('statamic::graphql.graphiql', [
-            'url' => '/'.config($configKey),
+            'url' => '/'.config('graphql.route.prefix'),
         ]);
     }
-
-    protected function isLegacyRebingGraphql()
-    {
-        return class_exists('\Rebing\GraphQL\Support\ResolveInfoFieldsAndArguments');
-    }
 }