diff --git a/src/Controller/Rest.php b/src/Controller/Rest.php
deleted file mode 100644
index 15820df..0000000
--- a/src/Controller/Rest.php
+++ /dev/null
@@ -1,36 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Ypf\Controller;
-
-use Ypf\Application;
-use GuzzleHttp\Psr7\Response;
-
-abstract class Rest
-{
-    public function __get($name)
-    {
-        return Application::getContainer()->get($name);
-    }
-
-    public static function isJson($value)
-    {
-        if (!is_string($value)) {
-            return false;
-        }
-
-        json_decode($value);
-
-        return is_string($value) && (json_last_error() === JSON_ERROR_NONE);
-    }
-
-    public function json($data)
-    {
-        $headers = [];
-        $headers['content-type'] = 'application/json';
-        $payload = static::isJson($data) ? $data : json_encode($data);
-
-        return new Response(200, $headers, $payload);
-    }
-}
diff --git a/src/Dispatcher.php b/src/Dispatcher.php
index 7fd65c0..c5267d3 100644
--- a/src/Dispatcher.php
+++ b/src/Dispatcher.php
@@ -28,7 +28,7 @@ public function __construct(iterable $middleware)
 
     public function dispatch(ServerRequestInterface $request): ResponseInterface
     {
-        return $this->handle($request)->withHeader('X-Powered-By', 'YPF/'.Application::VERSION);
+        return $this->handle($request)->withHeader('X-Powered-By', 'YPF/' . Application::VERSION);
     }
 
     public function handle(ServerRequestInterface $request): ResponseInterface