Republicans in Congress are eyeing cuts to Medicaid, the entitlement that provides health coverage to roughly 1 in 5 people. Requiring beneficiaries to work, volunteer, or attend school as a condition of receiving coverage and block-granting federal Medicaid funds to the states are under consideration.

But with complete control of Congress and the White House, Republicans should think bigger and repeal Obamacare’s fiscally irresponsible expansion of Medicaid to able-bodied people.