File: //usr/local/aws-cli/v2/current/current/dist/awscli/examples/greengrass/delete-core-definition.rst
**To delete a core definition**
The following ``delete-core-definition`` example deletes the specified Greengrass core definition, including all versions. If you delete a core that is associated with a Greengrass group, that group can't be deployed successfully. ::
aws greengrass delete-core-definition \
--core-definition-id "ff36cc5f-9f98-4994-b468-9d9b6dc52abd"
This command produces no output.