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

Please follow the steps below:

1. Go to BuddyBoss > Theme Options

2. Under Custom Codes, enable CSS

3. Append the following:

.lms-topic-sidebar-wrapper .lms-course-members-list {
display: none;

4. Save changes.

Note: Any modifications are considered as custom work already. Know more about our Support policy here: