**To delete a system instance** The following ``delete-system-instance`` example deletes a system instance. :: aws iotthingsgraph delete-system-instance \ --id "urn:tdm:us-west-2/123456789012/default:Deployment:Room218" This command produces no output. For more information, see `Lifecycle Management for AWS IoT Things Graph Entities, Flows, Systems, and Deployments <https://docs.aws.amazon.com/thingsgraph/latest/ug/iot-tg-lifecycle.html>`__ in the *AWS IoT Things Graph User Guide*.