"Percy won't play this week," Carroll said during an interview on Sirius Radio. "He's getting close, but not close enough."
Harvin began practicing last week for the first time after undergoing hip surgery on Aug. 1 to repair a torn labrum. The Seahawks now have two weeks to activate Harvin off the physically unable to perform list.
Carroll said Wednesday that Harvin was doing more rehab work after suffering some soreness last week when he returned to practice.
Harvin's eventual return to the field became more imperative when wide receiver Sidney Rice suffered a torn ACL Monday night at St. Louis and was lost for the season. Jermaine Kearse, a second-year receiver from the University of Washington, will start Sunday for Rice.