diff --git a/Simulation/ISF/ISF_FastCaloSim/ISF_FastCaloSimParametrization/ISF_FastCaloSimParametrization/EnergyParametrizationValidation.h b/Simulation/ISF/ISF_FastCaloSim/ISF_FastCaloSimParametrization/ISF_FastCaloSimParametrization/EnergyParametrizationValidation.h
deleted file mode 100644
index 4aaeefbb0837f8dee01965ba8cd516fe11ca24a4..0000000000000000000000000000000000000000
--- a/Simulation/ISF/ISF_FastCaloSim/ISF_FastCaloSimParametrization/ISF_FastCaloSimParametrization/EnergyParametrizationValidation.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
-  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
-*/
-
-#ifndef EnergyParametrizationValidation_h
-#define EnergyParametrizationValidation_h
-
-class EnergyParametrizationValidation
-{
-  public:
-    EnergyParametrizationValidation() {};
-    ~EnergyParametrizationValidation() {};
-    static void autozoom(TH1D* h1, double &min, double &max, double &rmin, double &rmax);
-    static TH1D* refill(TH1D* h_in,double min, double max, double rmin, double rmax);
-
-  private:
-  ClassDef(EnergyParametrizationValidation,1)
-};
-
-#endif
diff --git a/Simulation/ISF/ISF_FastCaloSim/ISF_FastCaloSimParametrization/Root/EnergyParametrizationValidation.cxx b/Simulation/ISF/ISF_FastCaloSim/ISF_FastCaloSimParametrization/Root/EnergyParametrizationValidation.cxx
deleted file mode 100644
index 5c2378bb79610bb353b3e5f28ec37b5787be60cd..0000000000000000000000000000000000000000
--- a/Simulation/ISF/ISF_FastCaloSim/ISF_FastCaloSimParametrization/Root/EnergyParametrizationValidation.cxx
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
-  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
-*/
-
-#include "TH1D.h"
-#include "TFile.h"
-#include "TROOT.h"
-#include "TSystem.h"
-#include "TApplication.h"
-#include "TTree.h"
-#include "TSystem.h"
-#include "TMath.h"
-#include "ISF_FastCaloSimParametrization/EnergyParametrizationValidation.h"
-
-#include <iostream>
-
-using namespace std;
-
-void EnergyParametrizationValidation::autozoom(TH1D* h1, double &min, double &max, double &rmin, double &rmax)
-{
- 
- double min1,min2,max1,max2;
- min1=min2=h1->GetXaxis()->GetXmin();
- max1=max2=h1->GetXaxis()->GetXmax();
- 
- for(int b=1;b<=h1->GetNbinsX();b++)
- {
-  if(h1->GetBinContent(b)>0)
-  {
-   min1=h1->GetBinCenter(b);
-   break;
-  }
- }
- for(int b=h1->GetNbinsX();b>=1;b--)
- {
-  if(h1->GetBinContent(b)>0)
-  {
-   max1=h1->GetBinCenter(b);
-   break;
-  }
- }
- 
- min=min1;max=max1;
-
- 
- rmin=min-0.5*h1->GetBinWidth(1);
- rmax=max+0.5*h1->GetBinWidth(1);
- 
-}
-
-TH1D* EnergyParametrizationValidation::refill(TH1D* h_in,double min, double max, double rmin, double rmax)
-{
- 
- //int debug=0;
- 
- int Nbins;
- int bins=0;
- for(int b=h_in->FindBin(min);b<=h_in->FindBin(max);b++)
-  bins++;
- 
- if(bins<=120)
- {
- 	//no rebinning
- 	Nbins=bins;
- }
- else
- {
- 	int tries=0;
- 	int rebin=2;
-  
- 	while(tries<1000)
- 	{
- 	 if((10000%rebin)==0)
- 	 {
- 	 	TH1D* h_clone=(TH1D*)h_in->Clone("h_clone");
- 	  h_clone->Rebin(rebin);
- 	  Nbins=0;
- 	  for(int b=h_clone->FindBin(min);b<=h_clone->FindBin(max);b++)
-     Nbins++;
-    if(Nbins<120 && Nbins>50)
-    {
-     h_in->Rebin(rebin);
-     cout<<"*decide for rebin="<<rebin<<"*"<<endl;
-     break;
-    }
-   }
-   rebin++;
-   tries++;
-  }
-  if(tries>=1000)
-  {
-   cout<<" ********** GIVE UP ********** "<<endl;
- 	 h_in->Rebin((double)bins/100.0);
- 	 Nbins=0;
- 	 for(int b=h_in->FindBin(min);b<=h_in->FindBin(max);b++)
-    Nbins++;
-  }
- }
- 
- //if(debug) cout<<"---> NBINS "<<Nbins<<endl;
-
- int start=h_in->FindBin(min)-1;
- 
- //if(debug) cout<<"AFTER rebin ->underflow "<<h_in->GetBinContent(0)<<" startbin "<<start<<" minimum "<<min<<endl;
- 
- TH1D* h_out=new TH1D("h_out","h_out",Nbins,rmin,rmax);
- for(int b=1;b<=h_out->GetNbinsX();b++)
- {
- 	h_out->SetBinContent(b,h_in->GetBinContent(start+b));
- 	h_out->SetBinError(b,h_in->GetBinError(start+b));
- }
-
- //if(debug) cout<<"AFTER refill ->underflow "<<h_out->GetBinContent(0)<<" startbin "<<start<<" minimum "<<min<<endl;
-
- return h_out;
- 
-}
diff --git a/Simulation/ISF/ISF_FastCaloSim/ISF_FastCaloSimParametrization/Root/LinkDef.h b/Simulation/ISF/ISF_FastCaloSim/ISF_FastCaloSimParametrization/Root/LinkDef.h
index bd8a2c3205c53cf72416ab3edc6d74a4459f8ce0..ecefea902167a55b600cdb53a73f6755cacb37a9 100755
--- a/Simulation/ISF/ISF_FastCaloSim/ISF_FastCaloSimParametrization/Root/LinkDef.h
+++ b/Simulation/ISF/ISF_FastCaloSim/ISF_FastCaloSimParametrization/Root/LinkDef.h
@@ -7,7 +7,6 @@
 #pragma link C++ class TFCSSimpleLateralShapeParametrization+;
 #pragma link C++ class MeanAndRMS;
 #pragma link C++ class TreeReader;
-#pragma link C++ class EnergyParametrizationValidation;
 #pragma link C++ struct FCS_cell+;
 #pragma link C++ struct FCS_hit+;
 #pragma link C++ struct FCS_g4hit+;