diff --git a/Tracking/TrkEvent/TrkEventUtils/TrkEventUtils/PrepRawDataComparisonFunction.h b/Tracking/TrkEvent/TrkEventUtils/TrkEventUtils/PrepRawDataComparisonFunction.h
index 9d5c4e83a4c5b405745b7ead097bf161fca081e0..6bc3fedf450f19a745e2aa95c4db967aefd92ac8 100755
--- a/Tracking/TrkEvent/TrkEventUtils/TrkEventUtils/PrepRawDataComparisonFunction.h
+++ b/Tracking/TrkEvent/TrkEventUtils/TrkEventUtils/PrepRawDataComparisonFunction.h
@@ -28,8 +28,7 @@ namespace Trk {
   /**
    * Class providing comparison function, or relational definition, for PrepRawData
    */
-  class PrepRawDataComparisonFunction :
-    public std::binary_function<const Trk::PrepRawData*, const Trk::PrepRawData*, bool>
+  class PrepRawDataComparisonFunction
   {
   public:
                 
diff --git a/Tracking/TrkFitter/TrkDeterministicAnnealingFilter/src/DeterministicAnnealingFilter.cxx b/Tracking/TrkFitter/TrkDeterministicAnnealingFilter/src/DeterministicAnnealingFilter.cxx
index ce0a15b2aa535c8b484bd78a1be158e2c66320e2..807b2a89ff6d51bc6bb115d81a30562bf85aafc8 100755
--- a/Tracking/TrkFitter/TrkDeterministicAnnealingFilter/src/DeterministicAnnealingFilter.cxx
+++ b/Tracking/TrkFitter/TrkDeterministicAnnealingFilter/src/DeterministicAnnealingFilter.cxx
@@ -36,7 +36,6 @@
 #include "TrkValInterfaces/IValidationNtupleTool.h"
 
 #include "TrkEventUtils/TrkParametersComparisonFunction.h"
-//#include "TrkEventUtils/PrepRawDataComparisonFunction.h"
 #include "TrkEventUtils/MeasurementBaseComparisonFunction.h"
 
 #include "TrkFitterInterfaces/IForwardKalmanFitter.h"
diff --git a/Trigger/TrigFTK/FTK_DataProviderSvc/src/FTK_DataProviderSvc.cxx b/Trigger/TrigFTK/FTK_DataProviderSvc/src/FTK_DataProviderSvc.cxx
index 04f9d71d1eed450a1b18f2cd44d7aa492704a89e..0bfe89bbab3aeda886bbe8b35da1552288ce79ff 100644
--- a/Trigger/TrigFTK/FTK_DataProviderSvc/src/FTK_DataProviderSvc.cxx
+++ b/Trigger/TrigFTK/FTK_DataProviderSvc/src/FTK_DataProviderSvc.cxx
@@ -38,8 +38,6 @@
 #include "HepMC/GenParticle.h"
 
 #include "TrkTruthData/PRD_MultiTruthCollection.h"
-//#include "TrkEventUtils/PrepRawDataComparisonFunction.h"
-
 
 #include "AtlasDetDescr/AtlasDetectorID.h"