diff --git a/extensions/yii/jui/AutoComplete.php b/extensions/yii/jui/AutoComplete.php
index ac0c997..93f4332 100644
--- a/extensions/yii/jui/AutoComplete.php
+++ b/extensions/yii/jui/AutoComplete.php
@@ -7,7 +7,6 @@
 
 namespace yii\jui;
 
-use Yii;
 use yii\helpers\Html;
 
 /**
diff --git a/extensions/yii/jui/InputWidget.php b/extensions/yii/jui/InputWidget.php
index 0facfb9..77201ba 100644
--- a/extensions/yii/jui/InputWidget.php
+++ b/extensions/yii/jui/InputWidget.php
@@ -7,7 +7,6 @@
 
 namespace yii\jui;
 
-use Yii;
 use yii\base\Model;
 use yii\base\InvalidConfigException;
 use yii\helpers\Html;
diff --git a/extensions/yii/jui/Menu.php b/extensions/yii/jui/Menu.php
index 46c7ee0..bce2157 100644
--- a/extensions/yii/jui/Menu.php
+++ b/extensions/yii/jui/Menu.php
@@ -7,7 +7,6 @@
 
 namespace yii\jui;
 
-use Yii;
 use yii\helpers\Json;
 
 /**
diff --git a/extensions/yii/jui/Spinner.php b/extensions/yii/jui/Spinner.php
index d53bd3a..b88c70b 100644
--- a/extensions/yii/jui/Spinner.php
+++ b/extensions/yii/jui/Spinner.php
@@ -7,7 +7,6 @@
 
 namespace yii\jui;
 
-use Yii;
 use yii\helpers\Html;
 
 /**
diff --git a/extensions/yii/jui/Widget.php b/extensions/yii/jui/Widget.php
index 8881a77..62bbd16 100644
--- a/extensions/yii/jui/Widget.php
+++ b/extensions/yii/jui/Widget.php
@@ -7,7 +7,6 @@
 
 namespace yii\jui;
 
-use Yii;
 use yii\helpers\Json;
 
 /**