I noticed that categories in my auto websites are showing in the sitemap.xml which is automatically generated by the sitemap plugin, although I have set my website to hide empty categories from showing in home page.

I suggest an update to the plugin to allow users to select whether or not they want to hide empty categories from showing into sitemap.xml file.

Currently sitemap.xml is showing all categories and ultimately it will be indexed by google which does gives fake results to website visitors.