After guix update new devices appeared in File Manager Screenshot of Thunar: http://0x0.st/sGkH.png $ guix describe Generation 20    Dec 04 2018 17:59:42    (current)   guix 4ebfe99     repository URL: https://git.savannah.gnu.org/git/guix.git     branch: master     commit: 4ebfe99a3fc24d7139bd53fab6e1529f5a6d7184 There was only 'File system' link before. How to hide the others?