l29ahZl29ah-home ~ ‰ gpg --delete-key 0C75325D gpg: there is a secret key for public key "0C75325D"! gpg: use option "--delete-secret-keys" to delete it first. l29ahZl29ah-home ~ ‰ gpg --delete-secret-keys 0C75325D gpg: key "0C75325D" not found: Unknown system error gpg: 0C75325D: delete key failed: Unknown system error WTF?