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:
.blog div#secondary {
display: none;
}
.blog div#primary {
max-width: 100% !important;
}
4. Save changes.
Screenshots
Screenshot with Blog sidebar:
Without the Blog sidebar after using the CSS code above: