diff --git a/composer.json b/composer.json
index 8504069..c2f3f31 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,6 @@
         }
     },
     "require": {
-        "filp/whoops": "^2.1",
         "xtreamwayz/pimple-container-interop": "^1.0",
         "zendframework/zend-expressive": "^1.0",
         "zendframework/zend-expressive-fastroute": "^1.2",
diff --git a/config/container.php b/config/container.php
index 96fb9db..c516330 100644
--- a/config/container.php
+++ b/config/container.php
@@ -2,7 +2,6 @@
 
 use Test\App\HomeAction;
 use Test\App\HomeFactory;
-use Test\App\DummyRenderer;
 use Xtreamwayz\Pimple\Container;
 use Zend\Expressive\Application;
 use Zend\Expressive\Container\ApplicationFactory;
@@ -12,7 +11,6 @@ use Zend\Expressive\Helper\UrlHelperMiddleware;
 use Zend\Expressive\Helper\UrlHelperMiddlewareFactory;
 use Zend\Expressive\Router\FastRouteRouter;
 use Zend\Expressive\Router\RouterInterface;
-use Zend\Expressive\Template\TemplateRendererInterface;
 
 $c = new Container;
 
@@ -22,12 +20,6 @@ $c[RouterInterface::class] = function () { return new FastRouteRouter; };
 $c[UrlHelper::class] = new UrlHelperFactory;
 $c[UrlHelperMiddleware::class] = new UrlHelperMiddlewareFactory;
 $c[HomeAction::class] = new HomeFactory;
-
-$c[TemplateRendererInterface::class] = function () { return new DummyRenderer; };
-$c['Zend\Expressive\Whoops'] = function () { return new Whoops\Run; };
-$c['Zend\Expressive\WhoopsPageHandler'] = function () { return new Whoops\Handler\PrettyPageHandler; };
-$c['Zend\Expressive\FinalHandler'] = new Zend\Expressive\Container\WhoopsErrorHandlerFactory;
-
 $c[Application::class] = new ApplicationFactory;
 
 return $c;
diff --git a/src/App/DummyRenderer.php b/src/App/DummyRenderer.php
deleted file mode 100644
index 22a935f..0000000
--- a/src/App/DummyRenderer.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-
-namespace Test\App;
-
-use Zend\Expressive\Template\TemplateRendererInterface;
-
-class DummyRenderer
-implements TemplateRendererInterface
-{
-	protected $paths = array();
-
-	public function render($name, $params = array())
-	{
-		$params = print_r(['params' => $params, 'paths' => $this->paths], true);
-		$params = str_replace("\n", "<br/>\n", $params);
-		$params = str_replace("  ", "&ensp;", $params);
-		return "Render template '$name'<br/>Params: $params";
-	}
-
-	public function addPath($path, $namespace = null)
-	{
-		if ($namespace !== null) $namespace .= '::';
-		$this->paths[] = $namespace . $path;
-	}
-
-	public function getPaths()
-	{
-		return $this->paths;
-	}
-
-	public function addDefaultParam($templateName, $param, $value)
-	{
-		throw new \RuntimeException('Not implemented');
-	}
-}