Recently I install one plugin. After installing the "bookingwizz" plugin, the menu added in menu. Under bookingwizz I now have some submenu as well. Now I don't need all those menu items, but want to keep some and change some name and remove some. So how would I do that? I tried to search in that plugins file and also in database, but never found anything. Here's a screenshot of the menu
Solution using Codes
To hide a menu from a plugin menu, you need to look for the plugin hook. And after finding the hook,
For a complete understanding of the whole, refer to the article like:
Then to know how to unset something you may refer to this WPSE thread.
But for an easy solution, you can use Adminize, a free WordPress plugin that will assist you to show/hide certain menu and/or services by the admin roles: