The three-way race for town treasurer has become a two-way contest.
Jonathan Bruce withdrew his candidacy on Tuesday, said Milford Town Clerk Amy Hennessey Neves.
Bruce, the former chairman of the Milford School Committee and Zoning Board of Appeals,
Last night, Auger had been among the five finalists.
Milford Selectmen also voted Monday night to move the town election to April 30, to combine it with the state primary election for the vacant U.S. Senate seat.
Bruce said he never had any intention of running against Auger. "She does a fine job, a wonderful job as treasurer," Bruce said. "I support her candidacy in full."
Auger, town treasurer for the past 16 years, previously worked for 18 years in corporate positions, including at EMC Corp. in Hopkinton, and companies in Natick and Cambridge.
Soares, who recently moved back to Milford, is a field service engineer with Ventana Medical Systems. He also is running this year for Town Meeting member.