You do get to take off the 50% ER portion of the SE tax as an adjustment on 1040 Schedule 1 line 14 which flows to 1040 line 8a. Turbo Tax automatically calculates the SE Tax and Adjustment. If it is a small amount it may not make much difference in your tax. It only reduces your taxable income and regular income tax. It will not reduce your schedule C Net Profit or reduce the total self employment tax.
