diff --git a/framework/helpers/HtmlPurifier.php b/framework/helpers/HtmlPurifier.php
index 0d910ac9f4..71b229b381 100644
--- a/framework/helpers/HtmlPurifier.php
+++ b/framework/helpers/HtmlPurifier.php
@@ -26,9 +26,6 @@ namespace yii\helpers;
  *
  * For more details please refer to [HTMLPurifier documentation](http://htmlpurifier.org/).
  *
- * Note that you should add `ezyang/htmlpurifier` to your composer.json `require` section and run `composer install`
- * before using it.
- *
  * @author Alexander Makarov <sam@rmcreative.ru>
  * @since 2.0
  */