By default, we do not have this option. You can use the following function code. Please see the steps below:

Note: Make sure to have a complete site backup before proceeding

    1. Go to Appearance - Theme Editor.

    2. Under Select theme to edit, choose (BuddyBoss Child/whatever theme is active), then click Select.

    3. Below Theme Files, select Theme Functions (functions.php).

    4. Append the code just before the closing PHP tag “?>”:

function bb_remove_groups_members_menu_item() {
  if ( bp_is_group() ) {
    global $bp;
    bp_core_remove_subnav_item( $bp->groups->current_group->slug, 'members', 'groups' );
  }
}
add_action( 'bp_setup_nav', 'bb_remove_groups_members_menu_item', 10 );

    5. Click Update File to save the changes.

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