In order to delete a secret subkey, the user must obtain its keygrip and then ask gpg-agent to delete it. It will ask you to provide your current passphrase and then the new one. Issue the command, then type passwd in the prompt. Prev: Home: Next: lsign-key: Up: delete-secret-key As of gpg version 2.2.17, gpg -edit-key seems to work fine for removing a passphrase. NOTE: If there is a private key on your private key ring associated with this public key, you will get an error! You must delete your private key for this key pair from your private key ring first Description. To delete a public key (from your public key ring): $ gpg -delete-key User Name This removes the public key from your public key ring. $ sudo apt-key del B455BEF0 $ apt-key list | grep clicompan First list the gpg keys: ~ $ gpg -list-keys pub 4096R/5443F656 uid Whiscard imela (implementations encryption) Delete the secret key firs Once you have figured out which key to remove, use the command sudo apt-key del where is replaced with the actual keyid of the key you want to remove from your keyring. Happy learning My GPG Key Pair expired so needed to delete the existing one and replace with a new one. We will get back to you as soon as we can. Please feel free to comment below if you have any queries/concerns. If you found this article helpful, please do share with your friends and spread the knowledge. In this guide, we have shown you how to List and Remove a GPG Key in Ubuntu. You can verify that the above GPG key has been removed by running the following command: $ sudo apt-key list Wrapping Up.

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