Let's not forget that while the cluster is up-and-running it is costing us money. To remove the cluster and all of the services created by the CloudFormation scripts run the following command:
$ kube-aws destroy
You will receive confirmation that the CloudFormation stacks are being removed, and that it will take several minutes. I recommend that you double-check in the AWS console on the CloudFormation page to ensure that there have not been any errors during the removal of the stacks, as any resources that are left running may incur costs.
We also need to remove the S3 bucket we created and also the KMS; to do this run the following:
$ aws s3 rb s3://kube-aws-russ --force$ aws kms --region=eu-west-1 disable-key --key-id ...