diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index a2bff8953..1fd45e0b8 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<phpunit bootstrap="./tests/bootstrap.php"
+<phpunit bootstrap="./vendor/yiisoft/yii-core/tests/bootstrap.php"
 		colors="true"
 		verbose="true"
 		convertErrorsToExceptions="true"
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
deleted file mode 100644
index 987e85417..000000000
--- a/tests/bootstrap.php
+++ /dev/null
@@ -1,32 +0,0 @@
-<?php
-/**
- * @link http://www.yiiframework.com/
- * @copyright Copyright (c) 2008 Yii Software LLC
- * @license http://www.yiiframework.com/license/
- */
-
-use hiqdev\composer\config\Builder;
-use yii\di\Container;
-use yii\helpers\Yii;
-
-// ensure we get report on all possible php errors
-error_reporting(E_ALL);
-
-define('YII_DEBUG', true);
-define('YII_ENV', 'test');
-
-$_SERVER['SCRIPT_NAME'] = '/' . __DIR__;
-$_SERVER['SCRIPT_FILENAME'] = __FILE__;
-
-(function () {
-    $composerAutoload = __DIR__ . '/../vendor/autoload.php';
-    if (!is_file($composerAutoload)) {
-        die('You need to set up the project dependencies using Composer');
-    }
-
-    require_once $composerAutoload;
-
-    $container = new Container(require Builder::path('tests'));
-
-    Yii::setContainer($container);
-})();