Hi @Edyta ,
FOR AWS:
Manage your subscription | Databricks on AWS
" Before you delete a Databricks account, you must first cancel your Databricks subscription and delete all Unity Catalog metastores in the account. After you delete all metastores associated with your organization’s account, you can start the process to delete your account.
If you need to delete your Databricks account, reach out to your account team for assistance or file a ticket at help.databricks.com."
FOR AZURE:
Manage your subscription - Azure Databricks | Microsoft Learn
"To delete an Azure Databricks service:
- Log into your Azure Databricks workspace as the account owner (the user who created the service).
- Click your username in the top bar of the workspace, and select Azure from the dropdown menu.
- In the Azure Databricks service, click Delete and then OK"