$ docker buildx rm m101-builder
m101-builder removed
[exit 0]

$ docker image rm localhost:15000/m101/hello-kit:docker-driver
Untagged: localhost:15000/m101/hello-kit:docker-driver
Untagged: localhost:15000/m101/hello-kit@sha256:<digest>
Deleted: sha256:<digest>
[exit 0]

$ docker image rm localhost:15000/docker/sandbox-templates:shell
Untagged: localhost:15000/docker/sandbox-templates:shell
Untagged: localhost:15000/docker/sandbox-templates@sha256:<digest>
[exit 0]