A knowledge base article about How do I add or remove a section roster from my course site? provided by the UC Berkeley IT Service Hub - Knowledge Portal
Instructors of record can use the Create & Manage Sites tool to add (link) or remove (unlink) section rosters from their course site, see instructions below.
Please note: Instructors can only add or remove the sections to which they are officially assigned.
Click on the Create & Manage Sites link on the user/account navigation menu.
From the Manage Sites tool, select (A) Manage official sections of an existing site and then select your course from the dropdown menu (B) then select “Next.”
You will now be shown the sections currently linked to this course site. Select “Edit Sections” to make changes.
A. To add a section: Click on Link to add the section available (based on official teaching assignment of the instructor or GSI who is performing this task).
OR
B. To unlink/remove a section: Click on Unlink to remove a section currently included in the course site.
C: You can use the Undo Link or Undo Unlink buttons to make further changes before selecting Save Changes to finalize the update.