diff --git a/Reconstruction/Jet/JetEDM/JetEDM/ClusterSequence.h b/Reconstruction/Jet/JetEDM/JetEDM/ClusterSequence.h
index 1a686eef5faceab852b6e305b6f89634f725f7d3..5d1274a68708a26b9aac12b638076c0ea5b223cc 100644
--- a/Reconstruction/Jet/JetEDM/JetEDM/ClusterSequence.h
+++ b/Reconstruction/Jet/JetEDM/JetEDM/ClusterSequence.h
@@ -9,7 +9,7 @@
 
 #include <vector>
 #include "fastjet/ClusterSequence.hh"
-#include "AsgTools/CLASS_DEF.h"
+#include "xAODCore/CLASS_DEF.h"
 
 // David Adams
 // January 2014
diff --git a/Reconstruction/Jet/JetEDM/JetEDM/LabelIndex.h b/Reconstruction/Jet/JetEDM/JetEDM/LabelIndex.h
index fa3bfdf348f23be73b21c29950ba1aca1beeecaa..a054101619d91e3347ffb81b0312506c8ae1119d 100644
--- a/Reconstruction/Jet/JetEDM/JetEDM/LabelIndex.h
+++ b/Reconstruction/Jet/JetEDM/JetEDM/LabelIndex.h
@@ -14,7 +14,7 @@
 
 #include <vector>
 #include <string>
-#include "AsgTools/CLASS_DEF.h"
+#include "xAODCore/CLASS_DEF.h"
 #include "xAODJet/JetTypes.h"
 
 namespace jet {
diff --git a/Reconstruction/Jet/JetEDM/JetEDM/PseudoJetMap.h b/Reconstruction/Jet/JetEDM/JetEDM/PseudoJetMap.h
index 33ace318f9934720abb3cd096a22c8e4f1eb97a0..29fe1dd7b32ea47ded6e9a0c50e97c5a47d524ae 100644
--- a/Reconstruction/Jet/JetEDM/JetEDM/PseudoJetMap.h
+++ b/Reconstruction/Jet/JetEDM/JetEDM/PseudoJetMap.h
@@ -9,7 +9,7 @@
 
 #include <map>
 #include "fastjet/PseudoJet.hh"
-#include "AsgTools/CLASS_DEF.h"
+#include "xAODCore/CLASS_DEF.h"
 #include "xAODJet/Jet.h"
 
 // David Adams
diff --git a/Reconstruction/Jet/JetEDM/JetEDM/PseudoJetVector.h b/Reconstruction/Jet/JetEDM/JetEDM/PseudoJetVector.h
index 06cfba255a587d63dd2aa273f5f087eb2acf9faf..d7ef621c64c1c500e0c1ef7235a5e5c258a756ec 100644
--- a/Reconstruction/Jet/JetEDM/JetEDM/PseudoJetVector.h
+++ b/Reconstruction/Jet/JetEDM/JetEDM/PseudoJetVector.h
@@ -9,7 +9,7 @@
 
 #include <vector>
 #include "fastjet/PseudoJet.hh"
-#include "AsgTools/CLASS_DEF.h"
+#include "xAODCore/CLASS_DEF.h"
 
 // David Adams
 // January 2014
diff --git a/Reconstruction/Jet/JetEDM/JetEDM/TrackVertexAssociation.h b/Reconstruction/Jet/JetEDM/JetEDM/TrackVertexAssociation.h
index a8bfe3cde511401436e0d66ae6fa4fd6958ee332..29593af15769a7d2affc111d2e9df7717db87900 100644
--- a/Reconstruction/Jet/JetEDM/JetEDM/TrackVertexAssociation.h
+++ b/Reconstruction/Jet/JetEDM/JetEDM/TrackVertexAssociation.h
@@ -12,7 +12,7 @@
 #include "xAODTracking/Vertex.h"
 #include "xAODTracking/TrackParticle.h"
 #include "xAODTracking/TrackParticleContainer.h"
-#include "AsgTools/CLASS_DEF.h"
+#include "xAODCore/CLASS_DEF.h"
 
 namespace jet {