WP version info in site.com/feed

Hello! Thx you for great security plugin.

I chose “Remove WordPress Generator Meta Tag” but this option is not applicable to feed page. Anyone have any idea how remove meta tag from feed page?

<generator>http://ww.wp.xz.cn/?v=3.9.1</generator&gt;

P.S. sorry for my english.

https://ww.wp.xz.cn/plugins/better-wp-security/