$ gpg --delete-secret-key enshu@joho.org¶
gpg (GnuPG) 2.2.27; Copyright (C) 2021 Free Software Foundation, Inc.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.


sec  rsa3072/C8AB88914291D047 2021-05-22 Enshu Sennyo <enshu@joho.org>

この鍵を鍵リングから削除しますか? (y/N) y¶
これは秘密鍵です! 本当に削除しますか? (y/N) y¶
$