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:
@media (max-width: 799px) {
.flex.actvity-head-bar div#subnav-filters {
display: none;
}
}
4. Save changes.
Screenshots
Without Code:
With Code: