Senators voted along party lines 51-48 under the Congressional Review Act to cut the rule. The legislation already passed the House and now heads to President Trump's desk, where he is expected to sign it.
Under a 2012 law, states can only drug test individuals applying for unemployment benefits if they were previously fired for drug use or work in jobs for which workers are regularly drug tested. The Obama rule specified a list of jobs the could be included under the law.