**To delete a subscription definition** The following ``delete-subscription-definition`` example deletes the specified Greengrass subscription definition. If you delete a subscription that is being used by a group, that group can't be deployed successfully. :: aws greengrass delete-subscription-definition \ --subscription-definition-id "cd6f1c37-d9a4-4e90-be94-01a7404f5967" This command produces no output.