diff --git a/arcane/src/arcane/hdf5/CMakeLists.txt b/arcane/src/arcane/hdf5/CMakeLists.txt
index 21a98d8847..43f1b5f90e 100644
--- a/arcane/src/arcane/hdf5/CMakeLists.txt
+++ b/arcane/src/arcane/hdf5/CMakeLists.txt
@@ -22,8 +22,22 @@ else()
     "Notwithstanding trying to use HDF5 but this may lead to errors during compilation.")
 endif()
 
+# Pour MEDFile, il faut HDF5 mais le find_package fait planter CMake (avec MED 4.0.0)
+# si HDF5 n'est pas trouvé. On ne fait donc le find_package que si HDF5
+# est trouvé
+if (HDF5_FOUND)
+  list(APPEND PRIVATE_PKGS MEDFile)
+  arcane_find_package(MEDFile QUIET)
+endif()
+
 include(srcs.cmake)
 
+if (MEDFILE_FOUND)
+  list(APPEND ARCANE_SOURCES MEDMeshReaderService.cc)
+endif()
+
+# ----------------------------------------------------------------------------
+
 arcane_add_library(arcane_hdf5
   INPUT_PATH ${Arcane_SOURCE_DIR}/src
   RELATIVE_PATH arcane/hdf5
@@ -36,6 +50,7 @@ arcane_add_library(arcane_hdf5
 target_link_libraries(arcane_hdf5 PUBLIC arcane_core)
 
 arcane_add_arccon_packages(arcane_hdf5 PUBLIC ${PUBLIC_PKGS})
+arcane_add_arccon_packages(arcane_std PRIVATE ${PRIVATE_PKGS})
 
 arcane_register_library(arcane_hdf5)
 
diff --git a/arcane/src/arcane/std/MEDMeshReaderService.cc b/arcane/src/arcane/hdf5/MEDMeshReaderService.cc
similarity index 100%
rename from arcane/src/arcane/std/MEDMeshReaderService.cc
rename to arcane/src/arcane/hdf5/MEDMeshReaderService.cc
diff --git a/arcane/src/arcane/std/VtkHdfPostProcessor.axl b/arcane/src/arcane/hdf5/VtkHdfPostProcessor.axl
similarity index 100%
rename from arcane/src/arcane/std/VtkHdfPostProcessor.axl
rename to arcane/src/arcane/hdf5/VtkHdfPostProcessor.axl
diff --git a/arcane/src/arcane/std/VtkHdfPostProcessor.cc b/arcane/src/arcane/hdf5/VtkHdfPostProcessor.cc
similarity index 99%
rename from arcane/src/arcane/std/VtkHdfPostProcessor.cc
rename to arcane/src/arcane/hdf5/VtkHdfPostProcessor.cc
index 45f43eb93d..4838dd0a24 100644
--- a/arcane/src/arcane/std/VtkHdfPostProcessor.cc
+++ b/arcane/src/arcane/hdf5/VtkHdfPostProcessor.cc
@@ -30,8 +30,9 @@
 #include "arcane/core/IParallelMng.h"
 #include "arcane/core/IMesh.h"
 
-#include "arcane/std/Hdf5Utils.h"
-#include "arcane/std/VtkHdfPostProcessor_axl.h"
+#include "arcane/hdf5/Hdf5Utils.h"
+#include "arcane/hdf5/VtkHdfPostProcessor_axl.h"
+//TODO: mettre 'VtkCellTypes' ailleurs.
 #include "arcane/std/internal/VtkCellTypes.h"
 
 // Ce format est décrit sur la page web suivante:
diff --git a/arcane/src/arcane/std/VtkHdfV2PostProcessor.axl b/arcane/src/arcane/hdf5/VtkHdfV2PostProcessor.axl
similarity index 100%
rename from arcane/src/arcane/std/VtkHdfV2PostProcessor.axl
rename to arcane/src/arcane/hdf5/VtkHdfV2PostProcessor.axl
diff --git a/arcane/src/arcane/std/VtkHdfV2PostProcessor.cc b/arcane/src/arcane/hdf5/VtkHdfV2PostProcessor.cc
similarity index 99%
rename from arcane/src/arcane/std/VtkHdfV2PostProcessor.cc
rename to arcane/src/arcane/hdf5/VtkHdfV2PostProcessor.cc
index b9e1fa3b5c..d18cec591e 100644
--- a/arcane/src/arcane/std/VtkHdfV2PostProcessor.cc
+++ b/arcane/src/arcane/hdf5/VtkHdfV2PostProcessor.cc
@@ -29,8 +29,9 @@
 #include "arcane/core/IParallelMng.h"
 #include "arcane/core/IMesh.h"
 
-#include "arcane/std/Hdf5Utils.h"
-#include "arcane/std/VtkHdfV2PostProcessor_axl.h"
+#include "arcane/hdf5/Hdf5Utils.h"
+#include "arcane/hdf5/VtkHdfV2PostProcessor_axl.h"
+//TODO: mettre 'VtkCellTypes' ailleurs.
 #include "arcane/std/internal/VtkCellTypes.h"
 
 #include <map>
diff --git a/arcane/src/arcane/hdf5/srcs.cmake b/arcane/src/arcane/hdf5/srcs.cmake
index 07d531fc2c..2a3822fff9 100644
--- a/arcane/src/arcane/hdf5/srcs.cmake
+++ b/arcane/src/arcane/hdf5/srcs.cmake
@@ -10,6 +10,8 @@ set(ARCANE_SOURCES
   Hdf5VariableWriter.cc
   Hdf5MpiReaderWriter.cc
   Hdf5MpiReaderWriter.h
+  VtkHdfPostProcessor.cc
+  VtkHdfV2PostProcessor.cc
 )
 
 set(AXL_FILES
@@ -17,4 +19,6 @@ set(AXL_FILES
   Hdf5VariableReader
   Hdf5VariableWriter
   Hdf5MpiReaderWriter
+  VtkHdfPostProcessor
+  VtkHdfV2PostProcessor
 )
diff --git a/arcane/src/arcane/std/CMakeLists.txt b/arcane/src/arcane/std/CMakeLists.txt
index b7a5a5456c..86ec661873 100644
--- a/arcane/src/arcane/std/CMakeLists.txt
+++ b/arcane/src/arcane/std/CMakeLists.txt
@@ -1,5 +1,5 @@
 set(PRIVATE_PKGS LibUnwind Papi Parmetis PTScotch Udunits Zoltan BZip2 LZ4 Otf2 DbgHelp HWLoc Hiredis)
-set(PUBLIC_PKGS HDF5 MPI vtkIOXML vtkIOLegacy)
+set(PUBLIC_PKGS MPI vtkIOXML vtkIOLegacy)
 set(PKGS ${PRIVATE_PKGS} ${PUBLIC_PKGS})
 
 foreach(package ${PKGS})
@@ -44,14 +44,6 @@ set(ARCANE_HAS_KDI ${ARCANE_HAS_KDI} CACHE BOOL "Is KDI available" FORCE)
 
 # ----------------------------------------------------------------------------
 
-# Pour MEDFile, il faut HDF5 mais le find_package fait planter CMake (avec MED 4.0.0)
-# si HDF5 n'est pas trouvé. On ne fait donc le find_package que si HDF5
-# est trouvé
-if(HDF5_FOUND)
-  list(APPEND PRIVATE_PKGS MEDFile)
-  arcane_find_package(MEDFile QUIET)
-endif()
-
 include(srcs.cmake)
 
 if(BZIP2_FOUND)
@@ -60,16 +52,7 @@ endif()
 if(LZ4_FOUND)
   list(APPEND ARCANE_SOURCES LZ4DeflateService.cc)
 endif()
-if(HDF5_FOUND)
-  list(APPEND ARCANE_SOURCES
-    VtkHdfPostProcessor.cc
-    VtkHdfV2PostProcessor.cc
-    )
-endif()
 
-if(MEDFILE_FOUND)
-  list(APPEND ARCANE_SOURCES MEDMeshReaderService.cc)
-endif()
 if(Parmetis_FOUND)
   list(APPEND ARCANE_SOURCES
     MetisMeshPartitioner.cc
diff --git a/arcane/src/arcane/std/srcs.cmake b/arcane/src/arcane/std/srcs.cmake
index b9fd97b5ac..b353887e1b 100644
--- a/arcane/src/arcane/std/srcs.cmake
+++ b/arcane/src/arcane/std/srcs.cmake
@@ -152,7 +152,5 @@ set(AXL_FILES
   SimpleCsvComparator
   SplitSDMeshPartitioner
   KdiPostProcessor
-  VtkHdfPostProcessor
-  VtkHdfV2PostProcessor
   VtkPolyhedralMeshIO
   )