Deductions & credits

It sounds like the software might be picking up on an adopted child from the Personal Information section.  

This is where it would come from:

If, after you've checked back and verified that you don't have an adopted child checked, you can delete Form 8839 as follows:

How do I view and delete forms in TurboTax Online?

@nsaling

• Open or continue your return in TurboTax.
• In the left menu, select Tax Tools and then Tools.
• In the pop-up window Tool Center, choose Delete a form.
• Select Delete next to the form/schedule/worksheet in the list and follow the instructions.