# gcrane gc > List images that are not tagged. > Will calculate images that can be garbage-collected. > This can be composed with `gcrane delete` to actually garbage collect them. > More information: . - List untagged images: `gcrane gc {{repository}}` - Whether to recurse through repositories: `gcrane gc {{repository}} {{[-r|--recursive]}}` - Display help: `gcrane gc {{[-h|--help]}}`