Approved course requests can only be removed within Academics with the list Requests and recommendations or within Schedule Maker. 

To remove the course request with the Requests and recommendations list:
  1. Go to Academics > Scheduling >  Requests and recommendations list.
  2. Enter the student's name in the Find in list search.
  3. Click on the three horizontal dots on left of the student's name.
  4. Select edit requests and recommendations.
  5. Click on the Trash can icon for the request you would like to remove. 
  6. Click apply changes.