diff --git a/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/python/HIGG5Common.py b/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/python/HIGG5Common.py
index 870b396b4956ec5e69c26d86e68def486dcf1353..0c882a5c78ecc398d6247a80175351eeddb1a34e 100644
--- a/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/python/HIGG5Common.py
+++ b/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/python/HIGG5Common.py
@@ -46,7 +46,7 @@ def getHIGG5CommonTruth() :
         "AntiKt4EMPFlowJets.ConeTruthLabelID",
         "TruthEvents.PDFID1.PDFID2.PDGID1.PDGID2.Q.X1.X2.XF1.XF2.weights.crossSection.crossSectionError.truthParticleLinks",
         #"TruthVertices.barcode.x.y.z.t.id.incomingParticleLinks.outgoingParticleLinks",
-         # "TruthParticles.px.py.pz.e.m.decayVtxLink.prodVtxLink.barcode.pdgId.status.TopHadronOriginFlag.classifierParticleOrigin.classifierParticleType.classifierParticleOutCome.dressedPhoton.polarizationTheta.polarizationPhi",
+        "TruthParticles.px.py.pz.e.m.decayVtxLink.prodVtxLink.barcode.pdgId.status.TopHadronOriginFlag.classifierParticleOrigin.classifierParticleType.classifierParticleOutCome.dressedPhoton.polarizationTheta.polarizationPhi",
         "MuonTruthParticles.barcode.decayVtxLink.e.m.pdgId.prodVtxLink.px.py.pz.recoMuonLink.status.truthOrigin.truthParticleLink.truthType"
         ]
 
@@ -189,11 +189,11 @@ def getTruthThinningTool(tool_prefix, thinning_helper) :
         return None
     # MC truth thinning (not for data)
     truth_cond_WZH    = "((abs(TruthParticles.pdgId) >= 23) && (abs(TruthParticles.pdgId) <= 25))" # W, Z and Higgs
-    truth_cond_Lepton = "((abs(TruthParticles.pdgId) >= 11) && (abs(TruthParticles.pdgId) <= 16))" # Leptons
+    # truth_cond_Lepton = "((abs(TruthParticles.pdgId) >= 11) && (abs(TruthParticles.pdgId) <= 16))" # Leptons
     truth_cond_Top_Quark  = "((abs(TruthParticles.pdgId) == 6))"
-    truth_cond_BC_Quark  = "((abs(TruthParticles.pdgId) ==  5))||((abs(TruthParticles.pdgId) ==  4))" # C quark and Bottom quark
-    truth_cond_Hadrons = "((abs(TruthParticles.pdgId) >=  400)&&(abs(TruthParticles.pdgId)<600))||((abs(TruthParticles.pdgId) >=  4000)&&(abs(TruthParticles.pdgId)<6000))||((abs(TruthParticles.pdgId) >=  10400)&&(abs(TruthParticles.pdgId)<10600))||((abs(TruthParticles.pdgId) >=  20400)&&(abs(TruthParticles.pdgId)<20600))"
-    truth_expression = '('+truth_cond_WZH+' || '+truth_cond_Lepton +' || '+truth_cond_Top_Quark+') || (('+   truth_cond_BC_Quark + " || " + truth_cond_Hadrons+')&&(sqrt(TruthParticles.px*TruthParticles.px+TruthParticles.py*TruthParticles.py)>5000))'
+    # truth_cond_BC_Quark  = "((abs(TruthParticles.pdgId) ==  5))||((abs(TruthParticles.pdgId) ==  4))" # C quark and Bottom quark
+    # truth_cond_Hadrons = "((abs(TruthParticles.pdgId) >=  400)&&(abs(TruthParticles.pdgId)<600))||((abs(TruthParticles.pdgId) >=  4000)&&(abs(TruthParticles.pdgId)<6000))||((abs(TruthParticles.pdgId) >=  10400)&&(abs(TruthParticles.pdgId)<10600))||((abs(TruthParticles.pdgId) >=  20400)&&(abs(TruthParticles.pdgId)<20600))"
+    truth_expression = '('+truth_cond_WZH+' || '+truth_cond_Top_Quark+')'
 
     from DerivationFrameworkMCTruth.DerivationFrameworkMCTruthConf import DerivationFramework__GenericTruthThinning
     MCThinningTool = DerivationFramework__GenericTruthThinning(
@@ -202,7 +202,7 @@ def getTruthThinningTool(tool_prefix, thinning_helper) :
         ParticleSelectionString      = truth_expression,
         PreserveDescendants          = False,
         PreserveGeneratorDescendants = False,
-        PreserveAncestors            = True)
+        PreserveAncestors            = False)
     from AthenaCommon.AppMgr import ToolSvc
     ToolSvc += MCThinningTool
     return MCThinningTool
diff --git a/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/share/HIGG2D4.py b/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/share/HIGG2D4.py
index b48e981f87a879d1965aaeb47b05b92f1e06d92e..9b0392dacdcb14961284feb3c1cac5aeab927e12 100644
--- a/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/share/HIGG2D4.py
+++ b/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/share/HIGG2D4.py
@@ -69,6 +69,10 @@ thinningTools.append( HIGG5Common.getAntiKt10LCTopoCaloClusterThinning( 'HIGG2D4
 
 #generic object thinning
 thinningTools.append( HIGG5Common.getAntiKt10LCTopoTrimmedPtFrac5SmallR20Thinning('HIGG2D4',HIGG2D4ThinningHelper) )
+if DerivationFrameworkIsMonteCarlo :
+  thinningTools.append( HIGG5Common.getTruthThinningTool('HIGG2D4',HIGG2D4ThinningHelper) )
+  thinningTools.append( HIGG5Common.getAntiKt10TruthTrimmedPtFrac5SmallR20Thinning('HIGG2D4',HIGG2D4ThinningHelper) )
+  thinningTools.append( HIGG5Common.getAntiKt10TruthWZTrimmedPtFrac5SmallR20Thinning('HIGG2D4',HIGG2D4ThinningHelper) )
 
 # Truth particles
 # if DerivationFrameworkIsMonteCarlo:
diff --git a/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/share/HIGG5D1.py b/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/share/HIGG5D1.py
index b091d3c23be4bec66f644965529d78d4dd9b1a5e..6a7ec87dc55777e9380900ca0498fbe5eb898e81 100644
--- a/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/share/HIGG5D1.py
+++ b/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/share/HIGG5D1.py
@@ -62,6 +62,10 @@ thinningTools.append( HIGG5Common.getAntiKt10LCTopoCaloClusterThinning( 'HIGG5D1
 
 #generic object thinning
 thinningTools.append( HIGG5Common.getAntiKt10LCTopoTrimmedPtFrac5SmallR20Thinning('HIGG5D1',HIGG5D1ThinningHelper) )
+if DerivationFrameworkIsMonteCarlo :
+  thinningTools.append( HIGG5Common.getTruthThinningTool('HIGG5D1',HIGG5D1ThinningHelper) )
+  thinningTools.append( HIGG5Common.getAntiKt10TruthTrimmedPtFrac5SmallR20Thinning('HIGG5D1',HIGG5D1ThinningHelper) )
+  thinningTools.append( HIGG5Common.getAntiKt10TruthWZTrimmedPtFrac5SmallR20Thinning('HIGG5D1',HIGG5D1ThinningHelper) )
 
 # MC truth thinning (not for data)
 # if DerivationFrameworkIsMonteCarlo :
diff --git a/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/share/HIGG5D2.py b/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/share/HIGG5D2.py
index 1fabd42071b4d721a0226010c622fb6a725ab892..1ca61faa006cf4799c126a8933a36586eab7e1b6 100644
--- a/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/share/HIGG5D2.py
+++ b/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/share/HIGG5D2.py
@@ -64,6 +64,10 @@ thinningTools.append( HIGG5Common.getAntiKt10LCTopoCaloClusterThinning( 'HIGG5D2
 
 #generic object thinning
 thinningTools.append( HIGG5Common.getAntiKt10LCTopoTrimmedPtFrac5SmallR20Thinning('HIGG5D2',HIGG5D2ThinningHelper) )
+if DerivationFrameworkIsMonteCarlo :
+  thinningTools.append( HIGG5Common.getTruthThinningTool('HIGG5D2',HIGG5D2ThinningHelper) )
+  thinningTools.append( HIGG5Common.getAntiKt10TruthTrimmedPtFrac5SmallR20Thinning('HIGG5D2',HIGG5D2ThinningHelper) )
+  thinningTools.append( HIGG5Common.getAntiKt10TruthWZTrimmedPtFrac5SmallR20Thinning('HIGG5D2',HIGG5D2ThinningHelper) )
 
 #========================================================================
 # lepton selection (keep isolation failed leptons for QCD-MJ estimation)