Smith-Schuster (knee) didn't practice Wednesday, Missi Matthews of the Steelers' official site reports.
Smith-Schuster has regularly received Wednesday practices off this season, so it appears safe to conclude that he's once again getting some maintenance for his lingering knee injury. Diontae Johnson (back) returned to practice as a full participant Wednesday, so as long as Smith-Schuster is also cleared to participate without any restrictions by the end of the week, Pittsburgh's receiving corps should enter Sunday's game against the undefeated Titans at full strength.