diff --git a/framework/helpers/base/Json.php b/framework/helpers/base/Json.php
index c92e208..262dd81 100644
--- a/framework/helpers/base/Json.php
+++ b/framework/helpers/base/Json.php
@@ -8,7 +8,7 @@
 namespace yii\helpers\base;
 
 use yii\base\InvalidParamException;
-use yii\helpers\JsExpression;
+use yii\web\JsExpression;
 
 /**
  * Json is a helper class providing JSON data encoding and decoding.
diff --git a/framework/validators/EmailValidator.php b/framework/validators/EmailValidator.php
index ad74dd6..949b3f9 100644
--- a/framework/validators/EmailValidator.php
+++ b/framework/validators/EmailValidator.php
@@ -9,7 +9,7 @@ namespace yii\validators;
 
 use Yii;
 use yii\helpers\Html;
-use yii\helpers\JsExpression;
+use yii\web\JsExpression;
 use yii\helpers\Json;
 
 /**
diff --git a/framework/validators/NumberValidator.php b/framework/validators/NumberValidator.php
index c0f81cd..10f0e52 100644
--- a/framework/validators/NumberValidator.php
+++ b/framework/validators/NumberValidator.php
@@ -9,7 +9,7 @@ namespace yii\validators;
 
 use Yii;
 use yii\helpers\Html;
-use yii\helpers\JsExpression;
+use yii\web\JsExpression;
 use yii\helpers\Json;
 
 /**
diff --git a/framework/validators/RegularExpressionValidator.php b/framework/validators/RegularExpressionValidator.php
index 79a1a3c..23419b9 100644
--- a/framework/validators/RegularExpressionValidator.php
+++ b/framework/validators/RegularExpressionValidator.php
@@ -10,7 +10,7 @@ namespace yii\validators;
 use Yii;
 use yii\base\InvalidConfigException;
 use yii\helpers\Html;
-use yii\helpers\JsExpression;
+use yii\web\JsExpression;
 use yii\helpers\Json;
 
 /**
diff --git a/framework/validators/UrlValidator.php b/framework/validators/UrlValidator.php
index 0ed59bd..c418353 100644
--- a/framework/validators/UrlValidator.php
+++ b/framework/validators/UrlValidator.php
@@ -9,7 +9,7 @@ namespace yii\validators;
 
 use Yii;
 use yii\helpers\Html;
-use yii\helpers\JsExpression;
+use yii\web\JsExpression;
 use yii\helpers\Json;
 
 /**
diff --git a/framework/helpers/JsExpression.php b/framework/web/JsExpression.php
similarity index 97%
rename from framework/helpers/JsExpression.php
rename to framework/web/JsExpression.php
index 5a1f9bd..027c065 100644
--- a/framework/helpers/JsExpression.php
+++ b/framework/web/JsExpression.php
@@ -5,7 +5,7 @@
  * @license http://www.yiiframework.com/license/
  */
 
-namespace yii\helpers;
+namespace yii\web;
 
 use yii\base\Object;
 
diff --git a/framework/widgets/ActiveField.php b/framework/widgets/ActiveField.php
index 336966f..0e0381f 100644
--- a/framework/widgets/ActiveField.php
+++ b/framework/widgets/ActiveField.php
@@ -10,7 +10,7 @@ use yii\base\Component;
 use yii\db\ActiveRecord;
 use yii\helpers\Html;
 use yii\base\Model;
-use yii\helpers\JsExpression;
+use yii\web\JsExpression;
 
 /**
  * @author Qiang Xue <qiang.xue@gmail.com>
diff --git a/tests/unit/framework/helpers/JsonTest.php b/tests/unit/framework/helpers/JsonTest.php
index 6a78cd1..1795ce6 100644
--- a/tests/unit/framework/helpers/JsonTest.php
+++ b/tests/unit/framework/helpers/JsonTest.php
@@ -4,7 +4,7 @@
 namespace yiiunit\framework\helpers;
 
 use yii\helpers\Json;
-use yii\helpers\JsExpression;
+use yii\web\JsExpression;
 
 class JsonTest extends \yii\test\TestCase
 {