diff --git a/PhysicsAnalysis/DerivationFramework/DerivationFrameworkInDet/src/TrackStateOnSurfaceDecorator.cxx b/PhysicsAnalysis/DerivationFramework/DerivationFrameworkInDet/src/TrackStateOnSurfaceDecorator.cxx
index 929d48ab50d7f95388406d6ad8746371183d1edb..b99c4ec673e9167f1d8cf280101b0324738ee8f9 100644
--- a/PhysicsAnalysis/DerivationFramework/DerivationFrameworkInDet/src/TrackStateOnSurfaceDecorator.cxx
+++ b/PhysicsAnalysis/DerivationFramework/DerivationFrameworkInDet/src/TrackStateOnSurfaceDecorator.cxx
@@ -298,7 +298,6 @@ namespace DerivationFramework {
 	SG::AuxElement::Decorator< float > decoratorTRTusedHits_noHT_divByL("ToT_usedHits_noHT_divByL");    
 
 	decoratorTRTdEdx (*track)     = m_TRTdEdxTool->dEdx( trkTrack, true, true, true);
-        ITRT_ToT_dEdx::EGasType gasType;
 	decoratorTRTusedHits (*track) = m_TRTdEdxTool->usedHits( trkTrack, true, true);
 	decoratorTRTdEdx_noHT_divByL (*track)     = m_TRTdEdxTool->dEdx( trkTrack, true, false, true);
 	decoratorTRTusedHits_noHT_divByL (*track) = m_TRTdEdxTool->usedHits( trkTrack, true, false);