You can delete a task via its card. Important! Only the project owner, the author, or the task assignee can delete a task.
To delete a task:
  1. Open the projects panel on and pick a project
  2. Choose the task and click on it's name
  3. Press the red button Delete at the bottom of the task card.
Once deleted, a task CANNOT be restored. However, if it was a vital task, you can reach out to us at support, and we'll do our best to help you out.