diff --git a/arcane/src/arcane/core/Dom.h b/arcane/src/arcane/core/Dom.h
index f9bced1d4f..e48287d9c0 100644
--- a/arcane/src/arcane/core/Dom.h
+++ b/arcane/src/arcane/core/Dom.h
@@ -1,11 +1,11 @@
 // -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
 //-----------------------------------------------------------------------------
-// Copyright 2000-2022 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
+// Copyright 2000-2024 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
 // See the top-level COPYRIGHT file for details.
 // SPDX-License-Identifier: Apache-2.0
 //-----------------------------------------------------------------------------
 /*---------------------------------------------------------------------------*/
-/* Dom.h                                                       (C) 2000-2018 */
+/* Dom.h                                                       (C) 2000-2024 */
 /*                                                                           */
 /* Implémentation d'un DOM1+DOM2+DOM3(core).                                 */
 /*---------------------------------------------------------------------------*/
@@ -20,13 +20,14 @@
 /*---------------------------------------------------------------------------*/
 /*---------------------------------------------------------------------------*/
 
-ARCANE_BEGIN_NAMESPACE
+namespace Arcane
+{
 class IStringImpl;
 class IXmlDocumentHolder;
-ARCANE_END_NAMESPACE
+}
 
-ARCANE_BEGIN_NAMESPACE
-ARCANE_BEGIN_NAMESPACE_DOM
+namespace Arcane::dom
+{
 
 /*---------------------------------------------------------------------------*/
 /*---------------------------------------------------------------------------*/
@@ -642,10 +643,8 @@ class ARCANE_CORE_EXPORT Attr
   friend class IDOM_Node;
   friend class Element;
  public:
-  Attr();
+  Attr() = default;
   Attr(const Node&);
-  Attr(const Attr&);
-  ~Attr();
   Attr(AttrPrv*);
  private:
   AttrPrv* _impl() const;
@@ -1244,8 +1243,7 @@ class XPathNamespace
 /*---------------------------------------------------------------------------*/
 /*---------------------------------------------------------------------------*/
 
-ARCANE_END_NAMESPACE_DOM
-ARCANE_END_NAMESPACE
+}
 
 /*---------------------------------------------------------------------------*/
 /*---------------------------------------------------------------------------*/
diff --git a/arcane/src/arcane/core/DomLibXml2V2.cc b/arcane/src/arcane/core/DomLibXml2V2.cc
index 14616a8dc9..504b435868 100644
--- a/arcane/src/arcane/core/DomLibXml2V2.cc
+++ b/arcane/src/arcane/core/DomLibXml2V2.cc
@@ -1555,21 +1555,12 @@ replaceData(ULong offset,ULong count,const DOMString& arg) const
 /*---------------------------------------------------------------------------*/
 /*---------------------------------------------------------------------------*/
 
-Attr::
-Attr()
-: Node()
-{
-}
 Attr::
 Attr(AttrPrv* p)
 : Node(cvt((xmlNodePtr)impl(p)))
 {
 }
-Attr::
-Attr(const Attr& f)
-: Node((const Node&)f)
-{
-}
+
 Attr::
 Attr(const Node& node)
 : Node()
@@ -1580,10 +1571,7 @@ Attr(const Node& node)
   //if (ni && impl(ni)->getNodeType()==ATTRIBUTE_NODE)
   //_assign(node);
 }
-Attr::
-~Attr()
-{
-}
+
 AttrPrv* Attr::
 _impl() const
 {
diff --git a/arcane/src/arcane/core/MeshUtils.cc b/arcane/src/arcane/core/MeshUtils.cc
index c43ab60863..890fd4e873 100644
--- a/arcane/src/arcane/core/MeshUtils.cc
+++ b/arcane/src/arcane/core/MeshUtils.cc
@@ -938,7 +938,7 @@ writeMeshConnectivity(IMesh* mesh, const String& file_name)
         {
           ofile << "<child count='" << cell.nbHChildren() << "'>";
           for (Integer j = 0; j < cell.nbHChildren(); ++j) {
-            ofile << ' ' << cell.hChild(j)->uniqueId();
+            ofile << ' ' << cell.hChild(j).uniqueId();
           }
           ofile << "</child>";
         }
diff --git a/arcane/src/arcane/hdf5/Hdf5Utils.h b/arcane/src/arcane/hdf5/Hdf5Utils.h
index 818f4af962..e0d11c39a4 100644
--- a/arcane/src/arcane/hdf5/Hdf5Utils.h
+++ b/arcane/src/arcane/hdf5/Hdf5Utils.h
@@ -1,11 +1,11 @@
 // -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
 //-----------------------------------------------------------------------------
-// Copyright 2000-2023 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
+// Copyright 2000-2024 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
 // See the top-level COPYRIGHT file for details.
 // SPDX-License-Identifier: Apache-2.0
 //-----------------------------------------------------------------------------
 /*---------------------------------------------------------------------------*/
-/* Hdf5Utils.h                                                 (C) 2000-2023 */
+/* Hdf5Utils.h                                                 (C) 2000-2024 */
 /*                                                                           */
 /* Fonctions utilitaires pour hdf5.                                          */
 /*---------------------------------------------------------------------------*/
@@ -577,8 +577,7 @@ class ARCANE_HDF5_EXPORT StandardTypes
 
   ~StandardTypes();
 
-  ARCANE_DEPRECATED_REASON("Y2023: Copy operator is deprecated. This class has unique ownership")
-  StandardTypes& operator=(const StandardTypes& rhs) = default;
+  StandardTypes& operator=(const StandardTypes& rhs) = delete;
 
  public:
 
diff --git a/arcane/src/arcane/impl/VariableSynchronizer.cc b/arcane/src/arcane/impl/VariableSynchronizer.cc
index 46a278ecea..2ef7fb1f3a 100644
--- a/arcane/src/arcane/impl/VariableSynchronizer.cc
+++ b/arcane/src/arcane/impl/VariableSynchronizer.cc
@@ -93,8 +93,7 @@ class VariableSynchronizer::SyncMessage
 
   SyncMessage(const DataSynchronizeDispatcherBuildInfo& bi, VariableSynchronizer* var_syncer,
               IMemoryAllocator* allocator)
-  : m_variable_synchronizer(var_syncer)
-  , m_variable_synchronizer_mng(var_syncer->synchronizeMng())
+  : m_variable_synchronizer_mng(var_syncer->synchronizeMng())
   , m_dispatcher(IDataSynchronizeDispatcher::create(bi))
   , m_multi_dispatcher(IDataSynchronizeMultiDispatcher::create(bi))
   , m_event_args(var_syncer)
@@ -167,7 +166,6 @@ class VariableSynchronizer::SyncMessage
 
  private:
 
-  IVariableSynchronizer* m_variable_synchronizer = nullptr;
   IVariableSynchronizerMng* m_variable_synchronizer_mng = nullptr;
   Ref<IDataSynchronizeDispatcher> m_dispatcher;
   IDataSynchronizeMultiDispatcher* m_multi_dispatcher = nullptr;
diff --git a/arcane/src/arcane/std/MeshPartitionerBase.h b/arcane/src/arcane/std/MeshPartitionerBase.h
index dd1ebe284e..f878df5b2a 100644
--- a/arcane/src/arcane/std/MeshPartitionerBase.h
+++ b/arcane/src/arcane/std/MeshPartitionerBase.h
@@ -9,20 +9,20 @@
 /*                                                                           */
 /* Classe de base d'un partitionneur de maillage.                            */
 /*---------------------------------------------------------------------------*/
-#ifndef ARCANE_MESHPARTITIONERBASE_H
-#define ARCANE_MESHPARTITIONERBASE_H
+#ifndef ARCANE_STD_MESHPARTITIONERBASE_H
+#define ARCANE_STD_MESHPARTITIONERBASE_H
 /*---------------------------------------------------------------------------*/
 /*---------------------------------------------------------------------------*/
 
-#include <set>
+#include "arcane/utils/Array.h"
+#include "arcane/utils/HashTableMap.h"
+#include "arcane/utils/ScopedPtr.h"
 
 #include "arcane/core/IMeshPartitioner.h"
 #include "arcane/core/AbstractService.h"
 #include "arcane/core/ILoadBalanceMng.h"
 
-#include "arcane/utils/Array.h"
-#include "arcane/utils/HashTableMap.h"
-#include "arcane/utils/ScopedPtr.h"
+#include <set>
 
 /*---------------------------------------------------------------------------*/
 /*---------------------------------------------------------------------------*/
@@ -30,12 +30,6 @@
 namespace Arcane
 {
 
-/*---------------------------------------------------------------------------*/
-/*---------------------------------------------------------------------------*/
-
-class ISubDomain;
-
-
 /*---------------------------------------------------------------------------*/
 /*---------------------------------------------------------------------------*/
 /*!
@@ -54,33 +48,33 @@ class ARCANE_STD_EXPORT MeshPartitionerBase
  public:
 
   ISubDomain* subDomain() const { return m_sub_domain; }
-  IMesh* mesh() const { return m_mesh; }
+  IMesh* mesh() const override { return m_mesh; }
 
   // DEPRECATED
   void setMaximumComputationTime(Real v) override { m_maximum_computation_time = v; }
-  virtual Real maximumComputationTime() const { return m_maximum_computation_time; }
+  Real maximumComputationTime() const override { return m_maximum_computation_time; }
 
-  virtual void setImbalance(Real v){ m_imbalance = v; }
-  virtual Real imbalance() const { return m_imbalance; }
+  void setImbalance(Real v) override { m_imbalance = v; }
+  Real imbalance() const override { return m_imbalance; }
 
-  virtual void setMaxImbalance(Real v){ m_max_imbalance = v; }
-  virtual Real maxImbalance() const { return m_max_imbalance; }
+  void setMaxImbalance(Real v) override { m_max_imbalance = v; }
+  Real maxImbalance() const override { return m_max_imbalance; }
 
-  virtual void setComputationTimes(RealConstArrayView v) { m_computation_times.copy(v); }
-  virtual RealConstArrayView computationTimes() const { return m_computation_times; }
+  void setComputationTimes(RealConstArrayView v) override { m_computation_times.copy(v); }
+  RealConstArrayView computationTimes() const override { return m_computation_times; }
 
-  virtual void setCellsWeight(ArrayView<float> weights,Integer nb_weight);
-  virtual ArrayView<float> cellsWeight() const;
+  void setCellsWeight(ArrayView<float> weights,Integer nb_weight) override;
+  ArrayView<float> cellsWeight() const override;
 
   // CORRECT
-  virtual Integer nbCellWeight() const;
-  virtual void setILoadBalanceMng(ILoadBalanceMng* mng) { m_lbMng = mng; }
-  virtual ILoadBalanceMng* loadBalanceMng() const { return m_lbMng; }
+  Integer nbCellWeight() const;
+  void setILoadBalanceMng(ILoadBalanceMng* mng) override { m_lbMng = mng; }
+  ILoadBalanceMng* loadBalanceMng() const override { return m_lbMng; }
 
 
  public:
 
-  virtual void notifyEndPartition() { loadBalanceMng()->notifyEndPartition(); }
+  void notifyEndPartition() override { loadBalanceMng()->notifyEndPartition(); }
 
  public:
 
@@ -152,11 +146,10 @@ class ARCANE_STD_EXPORT MeshPartitionerBase
 
   virtual void* getCommunicator() const;
   virtual Parallel::Communicator communicator() const;
-
-
   virtual bool cellComm() {return true; }
 
-protected:
+ protected:
+
   virtual void _initArrayCellsWithConstraints();
   virtual void _initFilterLidCells();
   virtual void _initUidRef();
@@ -166,6 +159,7 @@ class ARCANE_STD_EXPORT MeshPartitionerBase
   virtual void  _clearCellWgt();
 
  private:
+
   Real _addNgb(const Cell& cell, const Face& face, Int64Array& neighbourcells, Array<bool>& contrib,
                HashTableMapT<Int64,Int32>& map, Array<float> *ptrcommWeights, Int32 offset,
                HashTableMapT<Int32,Int32>& lids,  bool special=false);
diff --git a/arcane/src/arcane/utils/HashTableMap2.h b/arcane/src/arcane/utils/HashTableMap2.h
index 6475412849..60aa150c64 100644
--- a/arcane/src/arcane/utils/HashTableMap2.h
+++ b/arcane/src/arcane/utils/HashTableMap2.h
@@ -165,8 +165,8 @@ template <typename KeyT, typename ValueT,
 class HashTableMap2
 : public HashTableMap2Base
 {
-  constexpr static double EMH_DEFAULT_LOAD_FACTOR = 0.80f;
-  constexpr static double EMH_MIN_LOAD_FACTOR = 0.25f; //< 0.5
+  constexpr static float EMH_DEFAULT_LOAD_FACTOR = 0.80f;
+  constexpr static float EMH_MIN_LOAD_FACTOR = 0.25f; //< 0.5
   constexpr static uint32_t EMH_CACHE_LINE_SIZE = 64; //debug only
 
  public: