As user creates an item with an item type Manufactured Item. The user fills all values, including the dropdown Picklist Manufacturer.
During development the user decided that the item must be a manufacutred item. The values that the user has added includeing Manufacturer, Manufacturer item number must be removed by him.
The user must have the possibility to remove this attributes from the item.
This is currently possible for attributes that the user added manually but not for dropdown lists(picklist).
The user must have the possibility to clear a picklist.
This is also important in case the user has made a mistake and he wants to correct it themselves. Or if requirement change during development, etc.
A proper system must allow the user to make such modification.
The modification must be captured by the DB history functionality.