There are several steps you'll need to complete to delete the donation:
  1. Under the Payment Information section, click on the Reverse Donation button
  2. Click Yes
  3. Scroll down to the Reversed Designation section
  4. Click Edit
  5. Check the Posted box
  6. Click Save
  7. In the Reversed Designation section, click Del
  8. Click Yes to delete designation
  9. Scroll to the top of the page and click Delete
  10. Click Yes
Without removing the designation, you cannot delete a posted donation.