human-free

adjective2

1. •
   Having no humans.

   • In a humanfree world, crabs would still be pulled apart limb by limb by otters. — 2019
2. •
   Not requiring human involvement.

   • […]writers and filmmakers have envisioned the dystopian consequences of fulfilling what is, perhaps, the most vivid capitalist fantasy, the automatic factory and human-free work. — 1994