The new government wants to stop any more public servants getting extra pay for being skilled in te reo Māori.
More than a dozen ministries and departments pay bonuses of up to $3,500 a year depending on how fluent a person is.
Public Service Minister Nicola Willis concedes it can't dump the existing agreements but wants to put a halt to any future ones.
She declined to come on the programme.
Reporter Phil Pennington spoke to Corin Dann.