diff --git a/LArCalorimeter/LArGeoModel/LArGeoH62003Algs/src/LArDetectorToolH62003.h b/LArCalorimeter/LArGeoModel/LArGeoH62003Algs/src/LArDetectorToolH62003.h
index 80aea0989f8d22af87e32cef1457615a5d0e2d0b..4e5a768e47a62c7841a0722cea5bc7e6f2f1dc15 100755
--- a/LArCalorimeter/LArGeoModel/LArGeoH62003Algs/src/LArDetectorToolH62003.h
+++ b/LArCalorimeter/LArGeoModel/LArGeoH62003Algs/src/LArDetectorToolH62003.h
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
+  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 */
 
 #ifndef LARGEOMODEL_LARDETECTORTOOLH62003_H
@@ -7,7 +7,7 @@
 
 #include "GeoModelUtilities/GeoModelTool.h"
 
-class LArDetectorToolH62003 : public GeoModelTool {
+class LArDetectorToolH62003 final : public GeoModelTool {
 
 public:
 
diff --git a/LArCalorimeter/LArGeoModel/LArGeoH62004Algs/src/LArDetectorToolH62004.h b/LArCalorimeter/LArGeoModel/LArGeoH62004Algs/src/LArDetectorToolH62004.h
index aff18469c3c682e7a2a6f8c525318e97aaf0b720..6eee9644ddb9dfa977027679da992d3fc85f757a 100755
--- a/LArCalorimeter/LArGeoModel/LArGeoH62004Algs/src/LArDetectorToolH62004.h
+++ b/LArCalorimeter/LArGeoModel/LArGeoH62004Algs/src/LArDetectorToolH62004.h
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
+  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 */
 
 #ifndef LArDetectorToolH62004_H
@@ -7,7 +7,7 @@
 
 #include "GeoModelUtilities/GeoModelTool.h"
 
-class LArDetectorToolH62004 : public GeoModelTool {
+class LArDetectorToolH62004 final : public GeoModelTool {
 
 public:
 
diff --git a/LArCalorimeter/LArGeoModel/LArGeoTBEC/src/LArDetectorToolTBEC.h b/LArCalorimeter/LArGeoModel/LArGeoTBEC/src/LArDetectorToolTBEC.h
index f461b87766963b5d8e068130e4b61ddbc26834b0..b687104a457d88d93932304f62943cb48b99b85b 100755
--- a/LArCalorimeter/LArGeoModel/LArGeoTBEC/src/LArDetectorToolTBEC.h
+++ b/LArCalorimeter/LArGeoModel/LArGeoTBEC/src/LArDetectorToolTBEC.h
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
+  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 */
 
 #ifndef LARGEOMODEL_LARDETECTORTOOLTBEC_H
@@ -7,7 +7,7 @@
 
 #include "GeoModelUtilities/GeoModelTool.h"
 
-class LArDetectorToolTBEC : public GeoModelTool {
+class LArDetectorToolTBEC final : public GeoModelTool {
 
 public: