To remove a job from the Job List, right-click on the job name and click Remove. Alternatively, select the job that you want to remove and press the Delete key.
When you remove a mosaic job from the Job List, you also remove all the tiles associated with the mosaic.
NOTE: You do not need to remove an image or mosaic from the Job List to keep it from being encoded. Only the files that you select in the Job List are encoded when the Run button is clicked.