diff --git a/framework/grid/ActionColumn.php b/framework/grid/ActionColumn.php
index 6e5e3fdc70..fee2d4eb61 100644
--- a/framework/grid/ActionColumn.php
+++ b/framework/grid/ActionColumn.php
@@ -8,7 +8,6 @@
 namespace yii\grid;
 
 use Yii;
-use Closure;
 use yii\helpers\Html;
 use yii\helpers\Url;