Just to 100% confirm since this is a one way action that we wont undo if you change your mind.
You want the account set to 0 QI again?
Items etc you have will still be in the account, the only item that doesn't work without the correct QI is the Custom Belt item so you've got nothing to worry about in that regard.
So yeah, confirm that you definitely want it done & I'll happily strip the QI