Paul Clavijo and Juan Vasquez, both 41, pleaded guilty to a single felony count of official misconduct involving battery as part of a Jan. 22 deal.
Both had been charged with criminal sexual assault and official misconduct after authorities alleged they attacked a 22-year-old woman while on duty in March 2011.
Neither former officer admitted to any sexual offenses in the deal. It was unclear when or why those charges were dropped.
Clavijo resigned in 2011. Vasquez resigned in 2012.
Sun-Times Media Wire contributed to this story.