diff --git a/config/console.php b/config/console.php
index 3945d9e..6660dd4 100644
--- a/config/console.php
+++ b/config/console.php
@@ -1,7 +1,7 @@
 <?php
 
-$params = require(__DIR__ . '/params.php');
-$db = require(__DIR__ . '/db.php');
+$params = require __DIR__ . '/params.php';
+$db = require __DIR__ . '/db.php';
 
 $config = [
     'id' => 'basic-console',
diff --git a/config/test.php b/config/test.php
index e025a9c..ff9fc6c 100644
--- a/config/test.php
+++ b/config/test.php
@@ -1,6 +1,6 @@
 <?php
-$params = require(__DIR__ . '/params.php');
-$db = require(__DIR__ . '/test_db.php');
+$params = require __DIR__ . '/params.php';
+$db = require __DIR__ . '/test_db.php';
 
 /**
  * Application configuration shared by all test types
diff --git a/config/test_db.php b/config/test_db.php
index c951052..5d213e1 100644
--- a/config/test_db.php
+++ b/config/test_db.php
@@ -1,6 +1,6 @@
 <?php
-$db = require(__DIR__ . '/db.php');
+$db = require __DIR__ . '/db.php';
 // test database! Important not to run tests on production or development databases
 $db['dsn'] = 'mysql:host=localhost;dbname=yii2_basic_tests';
 
-return $db;
\ No newline at end of file
+return $db;
diff --git a/config/web.php b/config/web.php
index 22cf8fd..3c03de8 100644
--- a/config/web.php
+++ b/config/web.php
@@ -1,7 +1,7 @@
 <?php
 
-$params = require(__DIR__ . '/params.php');
-$db = require(__DIR__ . '/db.php');
+$params = require __DIR__ . '/params.php';
+$db = require __DIR__ . '/db.php';
 
 $config = [
     'id' => 'basic',
diff --git a/tests/bin/yii b/tests/bin/yii
index 1e4f2cc..4923537 100755
--- a/tests/bin/yii
+++ b/tests/bin/yii
@@ -11,14 +11,14 @@
 defined('YII_DEBUG') or define('YII_DEBUG', true);
 defined('YII_ENV') or define('YII_ENV', 'test');
 
-require(__DIR__ . '/../../vendor/autoload.php');
-require(__DIR__ . '/../../vendor/yiisoft/yii2/Yii.php');
+require __DIR__ . '/../../vendor/autoload.php';
+require __DIR__ . '/../../vendor/yiisoft/yii2/Yii.php';
 
 $config = yii\helpers\ArrayHelper::merge(
-    require(__DIR__ . '/../../config/console.php'),
+    require __DIR__ . '/../../config/console.php',
     [
         'components' => [
-            'db' => require(__DIR__ . '/../../config/test_db.php')
+            'db' => require __DIR__ . '/../../config/test_db.php'
         ]
     ]
 );
@@ -26,4 +26,4 @@ $config = yii\helpers\ArrayHelper::merge(
 
 $application = new yii\console\Application($config);
 $exitCode = $application->run();
-exit($exitCode);
\ No newline at end of file
+exit($exitCode);
diff --git a/yii b/yii
index fc7090f..2a2e8ed 100755
--- a/yii
+++ b/yii
@@ -11,10 +11,10 @@
 defined('YII_DEBUG') or define('YII_DEBUG', true);
 defined('YII_ENV') or define('YII_ENV', 'dev');
 
-require(__DIR__ . '/vendor/autoload.php');
-require(__DIR__ . '/vendor/yiisoft/yii2/Yii.php');
+require __DIR__ . '/vendor/autoload.php';
+require __DIR__ . '/vendor/yiisoft/yii2/Yii.php';
 
-$config = require(__DIR__ . '/config/console.php');
+$config = require __DIR__ . '/config/console.php';
 
 $application = new yii\console\Application($config);
 $exitCode = $application->run();