By default, the platform does not have this option. You can use the following CSS code.

Please follow the steps below:

1. Go to BuddyBoss > Theme Options

2. Under Custom Codes, enable CSS

3. Append the following:

.single-forum .widget-area {

    display: none;

}

.has-sidebar:not(.profile-sidebar,.group-sidebar,.llms-pointer,.activate) #primary, body.buddypress.has-sidebar:not(.profile-sidebar,.group-sidebar,.llms-pointer,.activate) #page #primary {

    max-width: unset;

}

/*add codes here*/

4. Save changes.

Note: Any modifications are considered as custom work already. Know more about our Support policy here: https://www.buddyboss.com/support-policy/

Screenshots

Without code

With code: