Use zonecfg with the delete subcommand to delete a zone configuration from the system.
For more information, see Assigning Limited Rights to Zone Administrators.
Use the –F option to force the action:
global$ zonecfg -z a-zone delete -F
Delete the zone interactively by answering yes to the system prompt:
global$ zonecfg -z a-zone delete Are you sure you want to delete zone a-zone (y/[n])? y