diff --git a/composer.json b/composer.json
index 4f4f3041..5b222782 100644
--- a/composer.json
+++ b/composer.json
@@ -58,7 +58,6 @@
     "require-dev": {
         "devster/ubench": "^2.0",
         "eaglewu/swoole-ide-helper": "dev-master",
-        "filp/whoops": "^2.4",
         "infection/infection": "^0.14.2",
         "phpstan/phpstan": "^0.11.16",
         "phpunit/phpcov": "^6.0",
diff --git a/config/autoload/errorhandler.local.php.dist b/config/autoload/errorhandler.local.php.dist
deleted file mode 100644
index 6dea98cb..00000000
--- a/config/autoload/errorhandler.local.php.dist
+++ /dev/null
@@ -1,29 +0,0 @@
-<?php
-declare(strict_types=1);
-
-use Zend\Expressive\Container\WhoopsErrorResponseGeneratorFactory;
-
-return [
-    'dependencies' => [
-        'invokables' => [
-            'Zend\Expressive\Whoops' => Whoops\Run::class,
-            'Zend\Expressive\WhoopsPageHandler' => Whoops\Handler\PrettyPageHandler::class,
-        ],
-    ],
-
-    'whoops' => [
-        'json_exceptions' => [
-            'display'    => true,
-            'show_trace' => true,
-            'ajax_only'  => true,
-        ],
-    ],
-
-    'error_handler' => [
-        'plugins' => [
-            'factories' => [
-                'text/html' => WhoopsErrorResponseGeneratorFactory::class,
-            ],
-        ],
-    ],
-];