The Texans have removed Tennessee Titans offensive line coach Mike Munchak from their list of candidates to replace offensive coordinator Kyle Shanahan.
Before the Texans could formally ask for permission to interview Munchak, Titans coach Jeff Fisher called general manager Rick Smith on Tuesday. Fisher and Smith are members of the NFL's competition committee.
Fisher informed Smith that the Titans wouldn't be granting permission for Munchak to interview. In other words, don't waste your time.
Under NFL rules, coaches under contract can't switch jobs -- even for promotions -- unless they're given permission. The only exception is for an assistant to become a head coach.
Shanahan, who has been with the Texans for four years, is leaving to become the new offensive coordinator with the Washington Redskins. His father, Mike Shanahan, will be introduced as the Redskins' new coach on Wednesday.
Other candidates to replace Shanahan have ties to coach Gary Kubiak when he coached at Denver: Broncos offensive line coach Rick Dennison, Atlanta Falcons quarterbacks coach Bill Musgrave and former Kansas City offensive coordinator Chan Gailey.