Remove RSS Feed is the best plugin to remove RSS feed from your website.
https://www.youtube.com/watch?v=vO9ZiDhLv28
Kindly let us know your feedback or comments to add more features in this plugin.
安装:
Log in to your WordPress admin panel and go to Plugins -> Add New
Type Remove RSS Feed in the search box and click on search button.
Find Remove RSS Feed plugin.
Then click on Install Now after that activate the plugin.
OR
Download and save the Remove RSS Feed plugin to your hard disk.
Login to your WordPress and go to the Add Plugins page.
Click Upload Plugin button to upload the zip.
Click Install Now to install and activate the plugin.