Remove a specific key by its ID

tlmgr key

  • Manage GPG keys used to verify TeX Live databases.
    More information: <https://www.tug.org/texlive/tlmgr.html>.
  • Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

sudo tlmgr key remove {{key_id}}

click the source code to copy install tlmgr key on any operating system with command-not-found.com