BuddyPress.org

Hi everyone, my first post here.
I am currrently working on this site: WendyBoo Diaper club
The site uses buddypress and woocommerce.
However the client wants some of the links in nav-bar out(Notifications, Groups, etc), and also add a dropdown menu to the settings.
I can’t for the life of me find the .php file to edit the header.
The page is http://wendyboodiaperclub.com/my-account

This is the screenshot
https://www.dropbox.com/s/ehcmweeare1gegh/Screenshot%20from%202017-07-26%2015-30-40.png?dl=0