Deleting Product Records
You cannot delete a product record. If you no longer want to use the product, you can deactivate all versions rather than deleting the product.
If you have a large number of inactive versions for a given product, you can delete the versions using the CleanupSingleObject method of the ISS Authoring Import Export Service. For more information, see Siebel Order Management Guide.
To deactivate a product
Navigate to the Administration - Product screen, and then the Products view.
In the Products list, select and lock the desired product.
In the Versions view, deselect the Active checkbox for the Work Space version.
Release the Work Space version.