It appears that there is information in your tax return that is causing TurboTax to generate a Form 8615. Form 8615 is only required if you have a child under the age of 19 (or under the age of 24 and a full-time student), and has unearned income of $2,200 or more. Verify that there is not incorrect data in your tax return that is causing Form 8615 to be generated.