If you want to delete a build configuration, you can do so using the following procedure.
To delete a build configuration:
In the Build Administration Console, click the Build Management tab.
Expand the Dimensions Projects tree until you can see the build configuration that you want to delete.
Select the project containing the build configuration. The Build Configurations section appears.
Select the check box next to the build configuration that you want to delete. If there is more than one in the same project, you can select them all.
Click the Delete icon (shaped like an X). The Delete Build Configurations dialog box appears.
Click Yes to confirm the deletion.