If an application is in the Modified or Released state, find the application on the All Applications tab of the My Applications page and click Delete Application.
If an application is in the Deployed state, release the deployed resources of the application, and then delete the application. To do so, perform the following steps:
On the All Applications tab of the My Applications page, find the application whose resources you want to release, and click View Architecture to go to the Cloud Architect Design Tools (CADT) canvas.
Click Resource List in the lower part of the canvas. Click Release All Resources. In the message that appears, click OK.
Wait until the resources of the application are released.
On the All Applications tab of the My Applications page, the state of the application changes to Released. Click Delete Application.