In order to refund these unwanted upsells, you will need to perform a partial refund of the TeamRaiser registration. To do this:
  1. Navigate to Constituent360 > Constituent
  2. Search for the constituent and click View
  3. Select the Transactions tab
  4. Find the TeamRaiser registration and click Refund
  5. In the popup window with the itemized list of the fees from his registration, refund the unwanted upsell.