diff --git a/JobConfig/reco/prolog.fcl b/JobConfig/reco/prolog.fcl
index 27587942..c9728f8c 100644
--- a/JobConfig/reco/prolog.fcl
+++ b/JobConfig/reco/prolog.fcl
@@ -134,7 +134,6 @@ Reconstruction : {
         AddHits : false
       }
       ExtrapolationSettings : @local::Mu2eKinKal.LHDRIFTXTRAP
-      MaterialSettings : @local::Mu2eKinKal.MAT
       Extend: true
       debug : 0
     }