diff --git a/Tracking/TrkFitter/TrkiPatFitter/TrkiPatFitter/MaterialAllocator.h b/Tracking/TrkFitter/TrkiPatFitter/TrkiPatFitter/MaterialAllocator.h
index 4302f0ca55daba6884a79d3d487f542a07802cb7..96246e2d88c163cda40f7b9153720d98a2d03c66 100755
--- a/Tracking/TrkFitter/TrkiPatFitter/TrkiPatFitter/MaterialAllocator.h
+++ b/Tracking/TrkFitter/TrkiPatFitter/TrkiPatFitter/MaterialAllocator.h
@@ -143,7 +143,6 @@ private:
     unsigned						m_maxWarnings;
 
     // configurable parameters and tolerances (for aggregation rules and Coulomb scattering constants)
-    double						m_materialMaxGap;
     double						m_orderingTolerance;
     double						m_scattererMinGap;
     double						m_scatteringConstant;
diff --git a/Tracking/TrkFitter/TrkiPatFitter/TrkiPatFitter/iPatFitter.h b/Tracking/TrkFitter/TrkiPatFitter/TrkiPatFitter/iPatFitter.h
index f32cc9339356b15a7f5937bc9fa80413bc750ac1..dfcfcead382abb65cfd998cf81d54483aa47c216 100755
--- a/Tracking/TrkFitter/TrkiPatFitter/TrkiPatFitter/iPatFitter.h
+++ b/Tracking/TrkFitter/TrkiPatFitter/TrkiPatFitter/iPatFitter.h
@@ -148,7 +148,6 @@ private:
     // configurables (tools and options)
     bool						m_aggregateMaterial;
     bool						m_asymmetricCaloEnergy;
-    bool						m_eigenMatrixTreatment;
     bool						m_fullCombinedFit;
     bool						m_lineFit;
     double						m_lineMomentum;
diff --git a/Tracking/TrkFitter/TrkiPatFitter/src/MaterialAllocator.cxx b/Tracking/TrkFitter/TrkiPatFitter/src/MaterialAllocator.cxx
index b0b889e3907d1d607d7d07941d4a4481ab4b6150..80791777ae29463bbadc995a037d8ec12daa0c61 100755
--- a/Tracking/TrkFitter/TrkiPatFitter/src/MaterialAllocator.cxx
+++ b/Tracking/TrkFitter/TrkiPatFitter/src/MaterialAllocator.cxx
@@ -1,5 +1,5 @@
 /*
-   Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
+   Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration
  */
 
 /***************************************************************************
@@ -48,7 +48,6 @@ namespace Trk
     m_allowReordering(false),
     m_useStepPropagator(1),
     m_maxWarnings(10),
-    m_materialMaxGap(2.0 * Gaudi::Units::meter),
     m_orderingTolerance(1. * Gaudi::Units::mm),
     m_scattererMinGap(100. * Gaudi::Units::mm),
     m_scatteringConstant(13.6 * Gaudi::Units::MeV),   // Coulomb scattering constant