Over time, you may need to delete proofs. Changing proofs can be achieved by deleting proofs and adding new ones.

Delete all proofs

First, edit the key (make sure to replace FINGERPRINT):

Launch the notation prompt

Enter the 'none' notation to delete all notations

Save the changes

Delete one of your proofs

First, edit the key (make sure to replace FINGERPRINT):

Launch the notation prompt

In this case, you need to start with - followed by the proof you want to delete. Make sure you type the proof exactly like it is in your key.

Save the changes

Publish your key changes

Like adding new proofs, you most probably want to publish your changes to WKD or to a keyserver like keys.openpgp.org