If you are using a PRODUCTION or CORPORATE account DON’T execute the clean up procedure. It may remove critical resources or reconfigure your services impacting your environment.
# Remove CFN
remove roles devicedefender-DDA*
aws iot delete-policy \
    --delete-scheduled-audits
aws iot delete-account-audit-configuration \
    --delete-scheduled-audits
aws iot set-logging-options \
    --logging-options-payload roleArn="",logLevel=DISABLED
aws iot set-v2-logging-level \
    --log-target targetType="",targetName=DEFAULT
    --log-level DISABLED