diff --git a/PhysicsAnalysis/DerivationFramework/DerivationFrameworkL1Calo/share/L1CALO2.py b/PhysicsAnalysis/DerivationFramework/DerivationFrameworkL1Calo/share/L1CALO2.py
index 786c95cfe0da753d1614ef0855455106ce9a1327..db36156bdeff597d1bcdbd47b00aca3cdeaf1efd 100644
--- a/PhysicsAnalysis/DerivationFramework/DerivationFrameworkL1Calo/share/L1CALO2.py
+++ b/PhysicsAnalysis/DerivationFramework/DerivationFrameworkL1Calo/share/L1CALO2.py
@@ -80,6 +80,7 @@ augStream = MSMgr.GetStream( streamName )
 evtStream = augStream.GetEventStream()
 svcMgr += createThinningSvc( svcName="L1CALO2ThinningSvc", outStreams=[evtStream] )
 
+trackParticleAuxExclusions="-caloExtension.-cellAssociation.-clusterAssociation.-trackParameterCovarianceMatrices.-parameterX.-parameterY.-parameterZ.-parameterPX.-parameterPY.-parameterPZ.-parameterPosition"
 
 # Generic event info
 L1CALO2Stream.AddItem("xAOD::EventInfo#*")