Delete Inventory Option/Upgrade Package in Project Admin Center
3 - Click on the Inventory Option Packages tab.
4 - Click on the Option Package you want to delete.
5 - Click on Delete Option Package.
6 - You will be asked if you are sure you want to delete the selected item(s). Click Yes.
Note: You can delete more than one Option Package at the same time by holding down your Ctrl key and selecting multiple Option Packages.
Once you choose to delete an Option Package, all references to it will also be deleted from the Inventory Details and related reports.