Steps
On your workspace dashboard, find the board you want to delete
Right-click on the board or click the three-dot menu icon
Select "Delete Board" from the dropdown menu
A confirmation dialog will appear asking if you're sure
Read the warning about permanent deletion
Click "Delete" to permanently remove the board
The board will be removed from your workspace immediately
Notes
Deleted boards cannot be recovered after confirmation
Archive boards instead of deleting if you might need them later
Only Owners and Admins can delete boards
Deleted boards free up space in your workspace storage