diff --git a/LArCalorimeter/LArGeoModel/LArReadoutGeometry/LArReadoutGeometry/FCAL_ChannelMap.h b/LArCalorimeter/LArGeoModel/LArReadoutGeometry/LArReadoutGeometry/FCAL_ChannelMap.h
index a7e221b9e967dc71305c34376133fe805ff2201d..e2420897724e395bc042a0cddd05e45e04968036 100755
--- a/LArCalorimeter/LArGeoModel/LArReadoutGeometry/LArReadoutGeometry/FCAL_ChannelMap.h
+++ b/LArCalorimeter/LArGeoModel/LArReadoutGeometry/LArReadoutGeometry/FCAL_ChannelMap.h
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
+  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
 */
 
 // ***************************************************************************
@@ -47,7 +47,7 @@ public:
     class TubePosition {                                           //
     public:                                                        //
       TubePosition();                                              //
-      TubePosition(tileName_t name, float x, float y, std::string hvFT);//
+      TubePosition(tileName_t name, float x, float y, const std::string& hvFT);//
       tileName_t  get_tileName() const;                            //
       float       x() const;                                       //
       float       y() const;                                       //
@@ -186,7 +186,7 @@ FCAL_ChannelMap::TubePosition::TubePosition()
 {}
  
 inline
-FCAL_ChannelMap::TubePosition::TubePosition(tileName_t name, float x, float y, std::string hvFT)
+FCAL_ChannelMap::TubePosition::TubePosition(tileName_t name, float x, float y, const std::string& hvFT)
     :
     m_tileName(name),
     m_x(x),
diff --git a/LArCalorimeter/LArGeoModel/LArReadoutGeometry/src/EMECDetectorManager.cxx b/LArCalorimeter/LArGeoModel/LArReadoutGeometry/src/EMECDetectorManager.cxx
index 1849d44918d320c6aada14fe5d9ea5515b9bad00..3cfd6ec4ac75ecf158be3850283afc651ceadd2b 100755
--- a/LArCalorimeter/LArGeoModel/LArReadoutGeometry/src/EMECDetectorManager.cxx
+++ b/LArCalorimeter/LArGeoModel/LArReadoutGeometry/src/EMECDetectorManager.cxx
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
+  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
 */
 
 #include "GaudiKernel/MsgStream.h"
@@ -146,6 +146,7 @@ const EMECHVManager& EMECDetectorManager::getHVManager (EMECHVManager::IOType io
       m_HVManager[io].set (&(manager->getEMECHVManager(io)));
     }
   }
+  // cppcheck-suppress nullPointerRedundantCheck; false positive
   return *(m_HVManager[io].get());
 }