From the Common Tasks section in the browser interface, click Sun Java System AS 8.
Under SJSAS Application Tasks->Web Applications (WARs) click View All.
Click the name of the WAR you want to uninstall.
Under Component Procedures click the Run action next to default: uninstall.
Select the installation from which you want the WAR removed.
Click Run Selected Installations.
Click Run Plan (includes preflight).