Removing OfficeOne CircleTools involves removing it from PowerPoint and deleting the add-in from your Mac. The steps are as follows:

1. Remove OfficeOne CircleTools from PowerPoint:
   1. Select Tools | Add-Ins... menu item.
   2. Locate and select CircleTools in the list of Available Add-Ins.
   3. Click Remove button.
   4. Click Close button.
       
2. You can now delete CircleTools.ppam from your Mac by moving it to Trash.