You can delete Jobs by clicking the red x on the tab for that job or by right-clicking on the tab and selecting Delete Job or Delete All Jobs. Delete Job deletes only the Job that is currently open. Delete All Jobs deletes every Job. When you use Delete All Jobs, a default jobs is automatically created and opened.
CAUTION: Once a Job is deleted, it cannot be undeleted.
However, you will be asked for confirmation first (Figure 2).