[i3luefire@pcbsd-717] /usr# zfs destroy tank0/usr/jails/.warden-chroot-amd64
[i3luefire@pcbsd-717] /usr# ls
bin     games   home    include jails   lib     lib32   libdata libexec local   obj     pbi     ports   sbin    share   src     swap
[i3luefire@pcbsd-717] /usr# cd jails
[i3luefire@pcbsd-717] /usr/jails# ls
debian               fbsd-release.txz     fbsd-release.txz.md5
[i3luefire@pcbsd-717] /usr/jails#