diff --git a/src/Handler.php b/src/Handler.php
index f648d49..b026afc 100644
--- a/src/Handler.php
+++ b/src/Handler.php
@@ -5,21 +5,12 @@ namespace Kiri\Router;
 
 use Closure;
 use Kiri;
-use Kiri\Router\Format\ArrayFormat;
 use Kiri\Router\Format\IFormat;
 use Kiri\Router\Format\MixedFormat;
 use Kiri\Router\Format\NoBody;
-use Kiri\Router\Format\OtherFormat;
-use Kiri\Router\Format\ResponseFormat;
-use Kiri\Router\Format\VoidFormat;
-use Psr\Container\ContainerExceptionInterface;
-use Psr\Container\ContainerInterface;
-use Psr\Container\NotFoundExceptionInterface;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Http\Server\RequestHandlerInterface;
-use ReflectionFunction;
-use ReflectionMethod;
 
 class Handler implements RequestHandlerInterface
 {
diff --git a/src/RouterCollector.php b/src/RouterCollector.php
index 6d8a68a..96e648d 100644
--- a/src/RouterCollector.php
+++ b/src/RouterCollector.php
@@ -8,8 +8,6 @@ namespace Kiri\Router;
 use Closure;
 use Kiri\Router\Base\NotFoundController;
 use Kiri\Router\Constrict\RequestMethod;
-use Kiri\Di\Inject\Container;
-use Psr\Container\ContainerInterface;
 use Throwable;
 use Traversable;
 use Kiri\Router\Base\Middleware;
@@ -64,9 +62,7 @@ class RouterCollector implements \ArrayAccess, \IteratorAggregate
      */
     public function __construct()
     {
-        $found = di(NotFoundController::class);
-
-        $this->found = new Handler([$found, 'fail'], [], ResponseFormat::class);
+        $this->found = new Handler([NotFoundController::class, 'fail'], [], ResponseFormat::class);
     }