Navigate to the Workspace you'd like to delete. - You must be the Owner of this Workspace
Click on your profile/Workspace avatar and select Settings from the dropdown menu
Click Delete Workspace
Type the name of the Workspace in the box and click Delete
If you would like Workspace data removed under GDPR be sure to select the check box for permanently deleting third-party data - This will ensure data is 100% wiped from all data processors. It is impossible to recover this data so be sure before deleting Workspaces.