Swindon will not offer Paul Smith a new contract when his current deal expires at the end of June. The midfielder joined the Wiltshire side in mid-January from Gillingham and made nine appearances before an ankle injury ruled him out for two months.
Smith returned for one game before picking up a knock in the following match against his old club Brentford.
Following boss Iffy Onuora's departure, the club confirmed that Smith would not be offered a new deal.