[@r-a-y Participant 15 years, 9 months ago]

Sorry to bump an old topic, but I just wrote a writeup on the BuddyPress forums detailing how to hide BuddyPress group forums on an external bbPress install:

https://buddypress.org/forums/topic/how-to-hide-bbpress-forums-from-users-while-allowing-forums-in-buddypress-groups#post-33582

This addresses anandasama’s problem.