How to delete all three Inventory record types (Instance, Holdings, Item). Currently we have the ability to fully delete both holdings and items from within FOLIO. Deleting instances is more complicated, due to dependencies from other apps and because we predominantly derive our instance records from MARC records saved behind the scenes. The workflow below describes how to 'effectively' delete an instance record, but be aware that the record might still technically exist, depending on how you might access the data (API query, for example).