You should be able to undo the amendment. Not sure if you used the Online version or CD/Download. I will give you instructions for both.
How do I cancel or undo an amended return in the TurboTax CD/Download software?
https://ttlc.intuit.com/community/amending/help/how-do-i-cancel-or-undo-an-amended-return-in-the-tur...
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How do I cancel or undo an amended return in TurboTax Online?
If you started amending your tax return by accident and would like to cancel the amendment:
- Open your return if it isn't already open.
- In the left menu select Cancel Amend.
- Select Yes, I want to cancel my amended return and Continue.
