diff --git a/tests/VariadicControllerTest.php b/tests/VariadicControllerTest.php
deleted file mode 100644
index d5283da..0000000
--- a/tests/VariadicControllerTest.php
+++ /dev/null
@@ -1,68 +0,0 @@
-<?php
-
-/*
- * This file is part of the Symfony-Util package.
- *
- * (c) Jean-Bernard Addor
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-use PHPUnit\Framework\TestCase;
-use Symfony\Bridge\Twig\TwigEngine;
-use Symfony\Component\HttpFoundation\Response;
-use Symfony\Component\Templating\TemplateNameParser;
-use SymfonyUtil\Controller\VariadicController;
-
-/**
- * @covers \SymfonyUtil\Controller\VariadicController
- * @requires PHP 5.6.0
- */
-final class VariadicControllerTest extends TestCase
-{
-    public function testCanBeCreated()
-    {
-        $this->assertInstanceOf(
-            // VariadicController::class, // 5.4 < php (code is checked even if not executed!)
-            'SymfonyUtil\Controller\VariadicController',
-            new VariadicController(new TwigEngine(
-                new Twig_Environment(new Twig_Loader_Array(['index.html.twig' => 'Hello World!'])),
-                new TemplateNameParser()
-            ))
-        );
-    }
-
-    public function testEmptyReturnsResponse()
-    {
-        $this->assertInstanceOf(
-            // Response::class, // 5.4 < php (code is checked even if not executed!)
-            'Symfony\Component\HttpFoundation\Response',
-            (new VariadicController(new TwigEngine(
-                new Twig_Environment(new Twig_Loader_Array(['index.html.twig' => 'Hello World!'])),
-                new TemplateNameParser()
-            )))->__invoke()
-        );
-    }
-
-    public function testArrayReturnsResponse()
-    {
-        $this->assertInstanceOf(
-            // Response::class, // 5.4 < php (code is checked even if not executed!)
-            'Symfony\Component\HttpFoundation\Response',
-            (new VariadicController(new TwigEngine(
-                new Twig_Environment(new Twig_Loader_Array([
-                    'index.html.twig' => '<ul>{% for item in 0 %}<li>{{ item }}</li>{% endfor %}</ul>',
-                ])),
-                new TemplateNameParser()
-            )))->__invoke([
-                'One',
-                'Two',
-                'Three',
-            ])
-        );
-    }
-}
-
-// http://api.symfony.com/3.3/Symfony/Bridge/Twig/TwigEngine.html
-// http://api.symfony.com/3.3/Symfony/Bundle/TwigBundle/TwigEngine.html