diff --git a/app/Mail/AccountDeleted.php b/app/Mail/AccountDeleted.php
index a990bdda2..fffc3a966 100644
--- a/app/Mail/AccountDeleted.php
+++ b/app/Mail/AccountDeleted.php
@@ -2,7 +2,6 @@
 
 namespace App\Mail;
 
-use App\Models\User;
 use Illuminate\Bus\Queueable;
 use Illuminate\Mail\Mailable;
 use Illuminate\Queue\SerializesModels;
diff --git a/config/ytake-laravel-smarty.php b/config/ytake-laravel-smarty.php
index a071abcac..d6d621dbd 100644
--- a/config/ytake-laravel-smarty.php
+++ b/config/ytake-laravel-smarty.php
@@ -14,7 +14,7 @@
  * Copyright (c) 2014-2017 Yuuki Takezawa
  */
 
-/**
+/*
  * Smarty configure.
  * @author  yuuki.takezawa<yuuki.takezawa@comnect.jp.net>
  * @license http://opensource.org/licenses/MIT MIT
diff --git a/database/factories/ModelFactory.php b/database/factories/ModelFactory.php
index 7926c7946..d20dd460f 100644
--- a/database/factories/ModelFactory.php
+++ b/database/factories/ModelFactory.php
@@ -11,7 +11,7 @@
 |
 */
 
-/** @var \Illuminate\Database\Eloquent\Factory $factory */
+/* @var \Illuminate\Database\Eloquent\Factory $factory */
 $factory->define(App\User::class, function (Faker\Generator $faker) {
     static $password;