This idea has been merged into another idea. To comment or vote on this idea, please visit S200UK-I-1663 Better way of Deleting Stock Items (at least a report).
At the moment it's a needle in haystack working out where data needs to be archived/purged/other routines to be eg standard cost variances. The system should show on screen which parts of the system are preventing the stock item being deleted i.e. not just clues but specific data that is blocking the deletion