How do I delete my Amazon QuickSight account? - Amazon QuickSight
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How do I delete my Amazon QuickSight account?

In some cases, you might need to delete your Amazon QuickSight account even when you can't access Amazon QuickSight to unsubscribe. If so, sign in to Amazon and use the following link to open the unsubscribe screen: https://us-east-1.quicksight.aws.amazon.com/sn/console/unsubscribe. This approach works no matter what Amazon Web Services Regions that you use. It deletes all data, analyses, Amazon QuickSight users, and Amazon QuickSight administrators. If you have further difficulty, contact support.