Delete a GPG key
Sign in to DigiCert ONE.
Select the Manager menu (top right) > Software Trust.
Navigate to: Keypairs > GPG keypairs.
Hover over the desired alias, and then select the vertical ellipses.
Select Delete.
If teams are enabled, then the approvers will receive an email to approve the deletion of the keypair. Once all approvals have been received, the requester will receive an email notifying them that the keypair has been deleted.