Generally, you cannot delete the TurboTax account, but you can of course deactivate or remove TurboTax account. For the removal, you need to either go to the Contact Us page and seek for assistance or you can go to deactivation page. Here, you will be asked to provide the proof of identity along with some details. Make sure you enter them wisely. And, after that, you need to wait for some time to receive the confirmation on the same.