def METHOD_NAME(domain, directory_url=DIRECTORY_URL_PROD, cert_dir=None):
    # Location of certificates
    if cert_dir is None:
        cert_dir = settings.DSIP_CERTS_DIR
    # Location of the certificates
    cert_domain_dir = "{}/{}".format(cert_dir, domain)
    # Remove directory that contains the cert and key for the domain
    try:
        shutil.rmtree(cert_domain_dir)
    except Exception as ex:
        pass
    # TODO: Potential send a unregister command to Let's Encrypt