diff --git a/function.php b/function.php
index d4590974..f1a650b4 100644
--- a/function.php
+++ b/function.php
@@ -6,13 +6,10 @@ defined('APP_PATH') or define('APP_PATH', realpath(__DIR__ . '/../../'));
 use JetBrains\PhpStorm\Pure;
 use Kiri\Config\ConfigProvider;
 use Kiri\Core\ArrayAccess;
-use Kiri\Error\StdoutLogger;
 use Kiri\Events\EventDispatch;
 use Kiri\Events\EventProvider;
-use Kiri\Exception\ConfigException;
 use Kiri\Router\Request;
 use Kiri\Router\Response;
-use Kiri\Router\Router;
 use Psr\Container\ContainerExceptionInterface;
 use Psr\Container\NotFoundExceptionInterface;
 use Psr\Http\Message\RequestInterface;