I'm sorry I don't understand your question. You already paid your tax due or the fees? If you didn't efile and didn't mail then it has not been filed so there is nothing you need to cancel.
You can try to clear it, <a rel="nofollow" target="_blank" href="
https://ttlc.intuit.com/questions/2586254-how-do-i-clear-and-start-over-in-turbotax-online">https://...>
