Confirm you're on the correct Workspace you wish to delete from the top left display or click on it to switch.
Go to the Settings & members option from your sidebar menu.
Within the new pop-up window, navigate to Settings under Workspace.
Scroll down to Delete entire workspace under Danger zone and click.
Enter the exact name of your workspace to confirm your decision.
Click on Permanently delete workspace to irreversibly delete your workspace.
Your Workspace will be deleted shortly.