The Buffalo Bills announced linebackers coach Bobby April III, defensive line coach John Blake, quarterbacks coach David Lee, defensive assistant D’Anton Lynn, defensive backs coach Tim McDonald, assistant head coach Chris Palmer, assistant defensive backs coach Ed Reed, special teams assistant Eric Smith, quality control coach Kathryn Smith, assistant quarterbacks coach Jason Vrable and outside linebackers coach Jeff Weeks will not be a part of the coaching staff under new head coach Sean McDermott.