Remove transaction from split

Split transactios are really big leap for this app, lets make them more usable. When I add a transaction into a split I'm unable to remove it. I know I can null the amount in the transaction, but that's just not nice and it is kind of messy.
Also when I select another category than a split it automaticly deletes all transactions in the split. It is logical behavior and a way to delete unwanted transactions in a split, but also pain in the *.. if you made for example split of 10 transactions (in my case it's not rare) and you find out that 2 of them should not be there.