Efile Taxes are rejecting for 1095-C

You are correct, you not required to include your Form 1095-C with your federal return, as it is not used in Premium Tax Credit calculations like the Form 1095-A.  Keep it with your tax records but you will not need to enter any information into TurboTax.

If your state return requested health insurance information, please let us know in which state you are a resident. 

To remove any partial forms form in the return, you can use Delete Forms

1. In the left menu, select Tax Tools
2. Select Tools
3. Select Delete a form
4. Scroll to the Form 1095-A and/or 8962  and click Delete on the right
5. Then scroll to the bottom and select Continue with my return