Elliott (knee) has been ruled out ahead of Sunday's game against the Colts, Mark Kaboly of 93.7 The Fan Pittsburgh reports.
Elliott returned to practice Thursday after the Steelers opened up his 21-day return window. The safety logged two limited sessions in Week 5 as he works through a persistent knee injury. It remains unclear if Elliott will be ready to suit up for Week 6 or if he will need even more time to recover.