Just don't enter the 1099-Q in TurboTax. When the box 1 amount on form 1099-Q is fully covered by expenses, or ROLLED OVER to another education account, TurboTax will enter nothing about the 1099-Q on the actual tax forms. But, it will prepare a 1099-Q worksheet for your records (the work sheet isn't going to tell you anything that will help with an IRS inquiry). You'll need to show it went to another trustee.
On form 1099-Q, instructions to the recipient reads: "Nontaxable distributions from CESAs and QTPs are not required to be reported on your income tax return. You must determine the taxability of any distribution."
Otherwise, you will need to "double up". Add the numbers together so you make fewer entries.
