Remove permalink slugs from custom post types?

Is there a way to get rid of a custom post type slug in ACPT? For example, I have a CPT named “cars” which contains a bunch of different cars. When I try to visit each car, the page comes out as I’d like to have it as, but when I change custom rewrite to “/”, and the link changes to “”, it loads up the 404 page. I know there’s a plugin that can remove them, but I’d like to do it through ACPT itself without using plugins or functions file.


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