diff --git a/src/libs/antares/array/include/antares/array/matrix.h b/src/libs/antares/array/include/antares/array/matrix.h
index 42432a0ae1..64d65b0e18 100644
--- a/src/libs/antares/array/include/antares/array/matrix.h
+++ b/src/libs/antares/array/include/antares/array/matrix.h
@@ -415,13 +415,6 @@ class Matrix
     */
     bool empty() const;
 
-    //! Get the amount of memory used by the matrix
-    uint64_t memoryUsage() const;
-
-    //! Get the amount of memory used by the matrix
-    uint64_t valuesMemoryUsage() const;
-    //@}
-
     /*!
     ** \brief Print the matrix to std::cout (debug)
     */
diff --git a/src/libs/antares/array/include/antares/array/matrix.hxx b/src/libs/antares/array/include/antares/array/matrix.hxx
index c95db1bd93..6e1fb3b9a0 100644
--- a/src/libs/antares/array/include/antares/array/matrix.hxx
+++ b/src/libs/antares/array/include/antares/array/matrix.hxx
@@ -528,19 +528,6 @@ inline bool Matrix<T, ReadWriteT>::empty() const
     return (!width) or (!height);
 }
 
-template<class T, class ReadWriteT>
-inline uint64_t Matrix<T, ReadWriteT>::memoryUsage() const
-{
-    return sizeof(Matrix<T, ReadWriteT>) + (sizeof(T) * (width * height))
-           + ((jit) ? jit->memoryUsage() : 0);
-}
-
-template<class T, class ReadWriteT>
-inline uint64_t Matrix<T, ReadWriteT>::valuesMemoryUsage() const
-{
-    return (sizeof(T) * (width * height));
-}
-
 template<class T, class ReadWriteT>
 void Matrix<T, ReadWriteT>::clear()
 {
diff --git a/src/libs/antares/correlation/correlation.cpp b/src/libs/antares/correlation/correlation.cpp
index efdf3b3769..a294d2cb5c 100644
--- a/src/libs/antares/correlation/correlation.cpp
+++ b/src/libs/antares/correlation/correlation.cpp
@@ -557,23 +557,6 @@ void Correlation::set(Matrix<>& m, const Area& from, const Area& to, double v)
     m[to.index][from.index] = v;
 }
 
-uint64_t Correlation::memoryUsage() const
-{
-    uint64_t r = sizeof(Correlation);
-    if (!annual.empty())
-    {
-        r += annual.memoryUsage();
-    }
-    if (!monthly.empty())
-    {
-        for (uint i = 0; i != 12; ++i)
-        {
-            r += monthly[i].memoryUsage();
-        }
-    }
-    return r;
-}
-
 bool Correlation::forceReload(bool reload) const
 {
     bool ret = true;
diff --git a/src/libs/antares/correlation/include/antares/correlation/correlation.h b/src/libs/antares/correlation/include/antares/correlation/correlation.h
index c0ffebe4a0..c5770021b5 100644
--- a/src/libs/antares/correlation/include/antares/correlation/correlation.h
+++ b/src/libs/antares/correlation/include/antares/correlation/correlation.h
@@ -123,11 +123,6 @@ class Correlation final
                   const AreaNameMapping& mapping,
                   const Study& study);
 
-    /*!
-    ** \brief Get the amount of memory used the correlation matrices
-    */
-    uint64_t memoryUsage() const;
-
     /*!
     ** \brief Invalidate all matrices
     */
diff --git a/src/libs/antares/jit/include/antares/jit/jit.h b/src/libs/antares/jit/include/antares/jit/jit.h
index 9354a792d4..b54aed0e4d 100644
--- a/src/libs/antares/jit/include/antares/jit/jit.h
+++ b/src/libs/antares/jit/include/antares/jit/jit.h
@@ -134,9 +134,6 @@ class JIT final
         */
         void markAsModified();
 
-        //! Get the amount of memory currently used
-        uint64_t memoryUsage() const;
-
     public:
         //! Filename/folder to consider if some data should be loaded
         YString sourceFilename;
diff --git a/src/libs/antares/jit/include/antares/jit/jit.hxx b/src/libs/antares/jit/include/antares/jit/jit.hxx
index a19342e7e4..62c9c6a1c4 100644
--- a/src/libs/antares/jit/include/antares/jit/jit.hxx
+++ b/src/libs/antares/jit/include/antares/jit/jit.hxx
@@ -30,11 +30,6 @@ inline bool JIT::IsReady(JIT::Informations* j)
     return (!j or j->alreadyLoaded);
 }
 
-inline uint64_t JIT::Informations::memoryUsage() const
-{
-    return sizeof(JIT::Informations) + sourceFilename.capacity();
-}
-
 inline void JIT::Informations::markAsModified()
 {
     modified = true;
diff --git a/src/libs/antares/memory/include/antares/memory/memory.h b/src/libs/antares/memory/include/antares/memory/memory.h
index 42515c5fce..67cd52bfc4 100644
--- a/src/libs/antares/memory/include/antares/memory/memory.h
+++ b/src/libs/antares/memory/include/antares/memory/memory.h
@@ -91,11 +91,6 @@ class Memory final: public Yuni::Policy::ObjectLevelLockable<Memory>
     void cacheFolder(const AnyString& folder);
     //@}
 
-    /*!
-    ** \brief Get the amount of memory currently used
-    */
-    uint64_t memoryUsage() const;
-
     /*!
     ** \brief Get the process ID of the application
     **
diff --git a/src/libs/antares/series/include/antares/series/series.h b/src/libs/antares/series/include/antares/series/series.h
index f762e710fa..48dd0dfd07 100644
--- a/src/libs/antares/series/include/antares/series/series.h
+++ b/src/libs/antares/series/include/antares/series/series.h
@@ -108,7 +108,6 @@ class TimeSeries
 
     bool forceReload(bool reload = false) const;
     void markAsModified() const;
-    uint64_t memoryUsage() const;
 
     TS timeSeries;
     TimeSeriesNumbers& timeseriesNumbers;
diff --git a/src/libs/antares/series/series.cpp b/src/libs/antares/series/series.cpp
index 4c0cca690e..c92f7812cc 100644
--- a/src/libs/antares/series/series.cpp
+++ b/src/libs/antares/series/series.cpp
@@ -225,8 +225,4 @@ void TimeSeries::markAsModified() const
     timeSeries.markAsModified();
 }
 
-uint64_t TimeSeries::memoryUsage() const
-{
-    return timeSeries.memoryUsage();
-}
 } // namespace Antares::Data
diff --git a/src/libs/antares/study/CMakeLists.txt b/src/libs/antares/study/CMakeLists.txt
index a3524a4b96..a354de3058 100644
--- a/src/libs/antares/study/CMakeLists.txt
+++ b/src/libs/antares/study/CMakeLists.txt
@@ -179,7 +179,6 @@ source_group("study\\constraint" FILES ${SRC_STUDY_BINDING_CONSTRAINT})
 set(SRC_XCAST
         include/antares/study/xcast.h
         include/antares/study/xcast/xcast.h
-        include/antares/study/xcast/xcast.hxx
         xcast/xcast.cpp
 )
 source_group("study\\xcast" FILES ${SRC_XCAST})
diff --git a/src/libs/antares/study/area/area.cpp b/src/libs/antares/study/area/area.cpp
index 3bd4b91222..6573a23e14 100644
--- a/src/libs/antares/study/area/area.cpp
+++ b/src/libs/antares/study/area/area.cpp
@@ -167,52 +167,6 @@ const AreaLink* Area::findExistingLinkWith(const Area& with) const
     return nullptr;
 }
 
-uint64_t Area::memoryUsage() const
-{
-    uint64_t ret = 0;
-
-    // Misc gen. (previously called Fatal hors hydro)
-    ret += miscGen.valuesMemoryUsage();
-    // Reserves
-    ret += reserves.valuesMemoryUsage();
-
-    ret += sizeof(Area);
-    // Load
-    ret += load.memoryUsage();
-    // Solar
-    ret += solar.memoryUsage();
-    // Wind
-    ret += wind.memoryUsage();
-
-    // Hydro
-    ret += PreproHydroMemoryUsage(hydro.prepro.get());
-    if (hydro.series)
-    {
-        ret += hydro.series->memoryUsage();
-    }
-
-    // Thermal
-    ret += thermal.list.memoryUsage();
-
-    // Renewable
-    ret += renewable.list.memoryUsage();
-
-    // UI
-    if (ui)
-    {
-        ret += ui->memoryUsage();
-    }
-
-    // links
-    auto end = links.end();
-    for (auto i = links.begin(); i != end; ++i)
-    {
-        ret += (i->second)->memoryUsage();
-    }
-
-    return ret;
-}
-
 void Area::createMissingData()
 {
     createMissingTimeSeries();
diff --git a/src/libs/antares/study/area/links.cpp b/src/libs/antares/study/area/links.cpp
index 97668638e0..3c2059b3f6 100644
--- a/src/libs/antares/study/area/links.cpp
+++ b/src/libs/antares/study/area/links.cpp
@@ -769,16 +769,6 @@ void AreaLinkRemove(AreaLink* link)
     delete link;
 }
 
-uint64_t AreaLink::memoryUsage() const
-{
-    uint64_t to_return = sizeof(AreaLink);
-    to_return += parameters.valuesMemoryUsage();
-    to_return += directCapacities.memoryUsage();
-    to_return += indirectCapacities.memoryUsage();
-
-    return to_return;
-}
-
 bool AreaLink::forceReload(bool reload) const
 {
     return parameters.forceReload(reload) && directCapacities.forceReload(reload)
diff --git a/src/libs/antares/study/area/list.cpp b/src/libs/antares/study/area/list.cpp
index 0f95023f33..ec7bcd3ef2 100644
--- a/src/libs/antares/study/area/list.cpp
+++ b/src/libs/antares/study/area/list.cpp
@@ -1394,13 +1394,6 @@ void AreaListEnsureDataThermalPrepro(AreaList* l)
     l->each([](Data::Area& area) { area.thermal.list.ensureDataPrepro(); });
 }
 
-uint64_t AreaList::memoryUsage() const
-{
-    uint64_t ret = sizeof(AreaList) + sizeof(Area**) * areas.size();
-    each([&ret](const Data::Area& area) { ret += area.memoryUsage(); });
-    return ret;
-}
-
 uint AreaList::areaLinkCount() const
 {
     uint ret = 0;
diff --git a/src/libs/antares/study/area/ui.cpp b/src/libs/antares/study/area/ui.cpp
index cd3f0bb5fd..39cb998bf4 100644
--- a/src/libs/antares/study/area/ui.cpp
+++ b/src/libs/antares/study/area/ui.cpp
@@ -363,11 +363,6 @@ bool AreaUI::saveToFile(const AnyString& filename, bool force) const
     return true;
 }
 
-uint64_t AreaUI::memoryUsage() const
-{
-    return sizeof(AreaUI);
-}
-
 bool AreaUI::modified() const
 {
     return pModified;
diff --git a/src/libs/antares/study/binding_constraint/BindingConstraint.cpp b/src/libs/antares/study/binding_constraint/BindingConstraint.cpp
index abdce0befb..b950773dd4 100644
--- a/src/libs/antares/study/binding_constraint/BindingConstraint.cpp
+++ b/src/libs/antares/study/binding_constraint/BindingConstraint.cpp
@@ -506,23 +506,6 @@ void BindingConstraint::buildFormula(Yuni::String& s) const
     }
 }
 
-uint64_t BindingConstraint::memoryUsage() const
-{
-    return sizeof(BindingConstraint)
-           // comments
-           + pComments.capacity()
-           // Values
-           + RHSTimeSeries().memoryUsage()
-           // Estimation
-           + pLinkWeights.size() * (sizeof(double) + 3 * sizeof(void*))
-           // Estimation
-           + pLinkOffsets.size() * (sizeof(int) + 3 * sizeof(void*))
-           // Estimation
-           + pClusterWeights.size() * (sizeof(double) + 3 * sizeof(void*))
-           // Estimation
-           + pClusterOffsets.size() * (sizeof(int) + 3 * sizeof(void*));
-}
-
 bool BindingConstraint::contains(const BindingConstraint* bc) const
 {
     return (this == bc);
diff --git a/src/libs/antares/study/binding_constraint/BindingConstraintsRepository.cpp b/src/libs/antares/study/binding_constraint/BindingConstraintsRepository.cpp
index e68c97d15c..7ed09d8e09 100644
--- a/src/libs/antares/study/binding_constraint/BindingConstraintsRepository.cpp
+++ b/src/libs/antares/study/binding_constraint/BindingConstraintsRepository.cpp
@@ -315,16 +315,6 @@ void BindingConstraintsRepository::reverseWeightSign(const AreaLink* lnk)
     each([&lnk](BindingConstraint& constraint) { constraint.reverseWeightSign(lnk); });
 }
 
-uint64_t BindingConstraintsRepository::memoryUsage() const
-{
-    uint64_t m = sizeof(BindingConstraintsRepository);
-    for (const auto& i: constraints_)
-    {
-        m += i->memoryUsage();
-    }
-    return m;
-}
-
 namespace // anonymous
 {
 template<class T>
diff --git a/src/libs/antares/study/include/antares/study/area/area.h b/src/libs/antares/study/include/antares/study/area/area.h
index fea12cea10..7567bb25ca 100644
--- a/src/libs/antares/study/include/antares/study/area/area.h
+++ b/src/libs/antares/study/include/antares/study/area/area.h
@@ -188,17 +188,6 @@ class Area final: private Yuni::NonCopyable<Area>
     */
     void markAsModified() const;
 
-    /*!
-    ** \brief Get the amount of memory currently used by the area
-    */
-    uint64_t memoryUsage() const;
-
-    /*!
-    ** \brief Try to estimate the amount of memory required by the area for a simulation
-    */
-
-    //@}
-
     //! \name Thermal clusters min stable power validity checking
     //@{
     /*!
@@ -656,22 +645,6 @@ class AreaList final: public Yuni::NonCopyable<AreaList>
     /// create a map with the corresponding scratchpad for each area link to this numspace
     Area::ScratchMap buildScratchMap(uint numspace);
 
-    //! \name Memory management
-    //@{
-    /*!
-    ** \brief Try to estimate the amount of memory required by the class for a simulation
-    */
-
-    /*!
-    ** \brief Get the average amount of memory currently used by each area
-    */
-    double memoryUsageAveragePerArea() const;
-
-    /*!
-    ** \brief Get the amount of memory currently used by the class
-    */
-    uint64_t memoryUsage() const;
-
     /*!
     ** \brief Update the name id set
     */
diff --git a/src/libs/antares/study/include/antares/study/area/links.h b/src/libs/antares/study/include/antares/study/area/links.h
index fd4b8e69d8..960f3c36ec 100644
--- a/src/libs/antares/study/include/antares/study/area/links.h
+++ b/src/libs/antares/study/include/antares/study/area/links.h
@@ -106,13 +106,6 @@ class AreaLink final: public Yuni::NonCopyable<AreaLink>
     void markAsModified() const;
     //@}
 
-    //! \name Memory management
-    //@{
-    /*!
-    ** \brief Get the size (bytes) in memory occupied by a `AreaLink` structure
-    */
-    uint64_t memoryUsage() const;
-
     bool isVisibleOnLayer(const size_t& layerID) const;
 
     Yuni::String getName() const;
diff --git a/src/libs/antares/study/include/antares/study/area/ui.h b/src/libs/antares/study/include/antares/study/area/ui.h
index 9ab5f39c8b..ddc03e7c4e 100644
--- a/src/libs/antares/study/include/antares/study/area/ui.h
+++ b/src/libs/antares/study/include/antares/study/area/ui.h
@@ -63,11 +63,6 @@ class AreaUI final
     */
     bool saveToFile(const AnyString& filename, bool force = false) const;
 
-    /*!
-    ** \brief Amount of memory consummed by the instance
-    */
-    uint64_t memoryUsage() const;
-
     /*!
     ** \brief Get if the structure has been modified
     */
diff --git a/src/libs/antares/study/include/antares/study/binding_constraint/BindingConstraint.h b/src/libs/antares/study/include/antares/study/binding_constraint/BindingConstraint.h
index e88c7b1bb6..1643c317bf 100644
--- a/src/libs/antares/study/include/antares/study/binding_constraint/BindingConstraint.h
+++ b/src/libs/antares/study/include/antares/study/binding_constraint/BindingConstraint.h
@@ -338,14 +338,6 @@ class BindingConstraint final: public Yuni::NonCopyable<BindingConstraint>
     */
     void markAsModified() const;
 
-    //! \name Memory Usage
-    //@{
-    /*!
-    ** \brief Get the memory usage
-    */
-    uint64_t memoryUsage() const;
-    //@}
-
     /*!
     ** \brief Reverse the sign of the weight for a given interconnection or thermal cluster
     **
diff --git a/src/libs/antares/study/include/antares/study/binding_constraint/BindingConstraintsRepository.h b/src/libs/antares/study/include/antares/study/binding_constraint/BindingConstraintsRepository.h
index 25809de754..ea3f8bbb5b 100644
--- a/src/libs/antares/study/include/antares/study/binding_constraint/BindingConstraintsRepository.h
+++ b/src/libs/antares/study/include/antares/study/binding_constraint/BindingConstraintsRepository.h
@@ -157,11 +157,6 @@ class BindingConstraintsRepository final: public Yuni::NonCopyable<BindingConstr
     */
     void changeConstraintsWeeklyToDaily();
 
-    /*!
-    ** \brief Get the memory usage
-    */
-    [[nodiscard]] uint64_t memoryUsage() const;
-
     /*!
     ** \brief Invalidate all matrices of all binding constraints
     */
diff --git a/src/libs/antares/study/include/antares/study/parameters.h b/src/libs/antares/study/include/antares/study/parameters.h
index 1b2ce027d9..56451e67a4 100644
--- a/src/libs/antares/study/include/antares/study/parameters.h
+++ b/src/libs/antares/study/include/antares/study/parameters.h
@@ -148,11 +148,6 @@ class Parameters final
     */
     void fixGenRefreshForNTC();
 
-    /*!
-    ** \brief Get the amount of memory used by the general data
-    */
-    uint64_t memoryUsage() const;
-
     /*!
     ** \brief Reset MC year weight to 1 for all years
     */
diff --git a/src/libs/antares/study/include/antares/study/parts/common/cluster.h b/src/libs/antares/study/include/antares/study/parts/common/cluster.h
index 644e4f3296..4212fe40ce 100644
--- a/src/libs/antares/study/include/antares/study/parts/common/cluster.h
+++ b/src/libs/antares/study/include/antares/study/parts/common/cluster.h
@@ -70,12 +70,6 @@ class Cluster
     */
     virtual bool integrityCheck() = 0;
 
-    /*!
-    ** \brief Get the memory consummed by the cluster (in bytes)
-    */
-    virtual uint64_t memoryUsage() const = 0;
-    //@}
-
     /*!
     ** \brief Invalidate all data associated to the cluster
     */
diff --git a/src/libs/antares/study/include/antares/study/parts/common/cluster_list.h b/src/libs/antares/study/include/antares/study/parts/common/cluster_list.h
index a1e4136cf9..d96d151a39 100644
--- a/src/libs/antares/study/include/antares/study/parts/common/cluster_list.h
+++ b/src/libs/antares/study/include/antares/study/parts/common/cluster_list.h
@@ -124,12 +124,6 @@ class ClusterList
     */
     void markAsModified() const;
 
-    /*!
-    ** \brief Get the size (bytes) occupied in memory by a `ClusterList` structure
-    ** \return A size (in bytes)
-    */
-    virtual uint64_t memoryUsage() const = 0;
-
     /// \name IO functions
     /// @{
     bool loadDataSeriesFromFolder(Study& study, const std::filesystem::path& folder);
diff --git a/src/libs/antares/study/include/antares/study/parts/hydro/prepro.h b/src/libs/antares/study/include/antares/study/parts/hydro/prepro.h
index b35798f862..e1eaaa9862 100644
--- a/src/libs/antares/study/include/antares/study/parts/hydro/prepro.h
+++ b/src/libs/antares/study/include/antares/study/parts/hydro/prepro.h
@@ -123,12 +123,6 @@ int PreproHydroLoadFromFolder(Study& s,
                               const AreaName& areaID,
                               const char folder[]);
 
-/*!
-** \brief Get the size (bytes) occupied in memory by a `PreproHydro` structure
-** \ingroup hydroprepro
-*/
-uint64_t PreproHydroMemoryUsage(PreproHydro* h);
-
 } // namespace Data
 } // namespace Antares
 
diff --git a/src/libs/antares/study/include/antares/study/parts/hydro/series.h b/src/libs/antares/study/include/antares/study/parts/hydro/series.h
index 343e49e266..2db6868d44 100644
--- a/src/libs/antares/study/include/antares/study/parts/hydro/series.h
+++ b/src/libs/antares/study/include/antares/study/parts/hydro/series.h
@@ -93,18 +93,6 @@ class DataSeriesHydro
     bool saveToFolder(const AreaName& areaID, const AnyString& folder) const;
     //@}
 
-    //! \name Memory
-    //@{
-    /*!
-    ** \brief Get the size (bytes) in memory occupied by a `DataSeriesHydro` structure
-    */
-    uint64_t memoryUsage() const;
-    /*!
-    ** \brief Try to estimate the amount of memory required for launching a simulation
-    */
-
-    //@}
-
     TimeSeriesNumbers timeseriesNumbers;
 
     /*!
diff --git a/src/libs/antares/study/include/antares/study/parts/load/container.h b/src/libs/antares/study/include/antares/study/parts/load/container.h
index ec7402034a..8e92422b9b 100644
--- a/src/libs/antares/study/include/antares/study/parts/load/container.h
+++ b/src/libs/antares/study/include/antares/study/parts/load/container.h
@@ -62,11 +62,6 @@ class Container final: private Yuni::NonCopyable<Container>
     */
     void markAsModified() const;
 
-    /*!
-    ** \brief Get the amount of memory currently used by the class
-    */
-    uint64_t memoryUsage() const;
-
     //! Data for the pre-processor
     std::unique_ptr<Data::Load::Prepro> prepro;
 
diff --git a/src/libs/antares/study/include/antares/study/parts/load/prepro.h b/src/libs/antares/study/include/antares/study/parts/load/prepro.h
index bbe3c7a008..e434fe1c01 100644
--- a/src/libs/antares/study/include/antares/study/parts/load/prepro.h
+++ b/src/libs/antares/study/include/antares/study/parts/load/prepro.h
@@ -59,11 +59,6 @@ class Prepro
     */
     bool saveToFolder(const AnyString& folder) const;
 
-    /*!
-    ** \brief Get the amount of memory currently used
-    */
-    uint64_t memoryUsage() const;
-
     /*!
     ** \brief Make sure that all data are loaded in memory
     */
diff --git a/src/libs/antares/study/include/antares/study/parts/load/prepro.hxx b/src/libs/antares/study/include/antares/study/parts/load/prepro.hxx
index c0bb3b6f6d..7c39772bbf 100644
--- a/src/libs/antares/study/include/antares/study/parts/load/prepro.hxx
+++ b/src/libs/antares/study/include/antares/study/parts/load/prepro.hxx
@@ -24,11 +24,6 @@
 namespace Antares::Data::Load
 {
 
-inline uint64_t Prepro::memoryUsage() const
-{
-    return xcast.memoryUsage();
-}
-
 inline bool Prepro::forceReload(bool reload) const
 {
     return xcast.forceReload(reload);
diff --git a/src/libs/antares/study/include/antares/study/parts/renewable/cluster.h b/src/libs/antares/study/include/antares/study/parts/renewable/cluster.h
index 3651706149..2a47b54bfe 100644
--- a/src/libs/antares/study/include/antares/study/parts/renewable/cluster.h
+++ b/src/libs/antares/study/include/antares/study/parts/renewable/cluster.h
@@ -128,12 +128,6 @@ class RenewableCluster final: public Cluster
     */
     uint groupId() const override;
 
-    /*!
-    ** \brief Get the memory consummed by the renewable cluster (in bytes)
-    */
-    uint64_t memoryUsage() const override;
-    //@}
-
     bool setTimeSeriesModeFromString(const YString& value);
 
     YString getTimeSeriesModeAsString() const;
diff --git a/src/libs/antares/study/include/antares/study/parts/renewable/cluster_list.h b/src/libs/antares/study/include/antares/study/parts/renewable/cluster_list.h
index 275d495020..f8798845dc 100644
--- a/src/libs/antares/study/include/antares/study/parts/renewable/cluster_list.h
+++ b/src/libs/antares/study/include/antares/study/parts/renewable/cluster_list.h
@@ -36,7 +36,6 @@ class RenewableClusterList: public ClusterList<RenewableCluster>
 {
 public:
     std::string typeID() const override;
-    uint64_t memoryUsage() const override;
 
     bool loadFromFolder(const AnyString& folder, Area* area);
     bool validateClusters() const;
diff --git a/src/libs/antares/study/include/antares/study/parts/solar/container.h b/src/libs/antares/study/include/antares/study/parts/solar/container.h
index 390b72cd90..1fcbcda9e5 100644
--- a/src/libs/antares/study/include/antares/study/parts/solar/container.h
+++ b/src/libs/antares/study/include/antares/study/parts/solar/container.h
@@ -59,11 +59,6 @@ class Container
     */
     void markAsModified() const;
 
-    /*!
-    ** \brief Get the amount of memory currently used by the class
-    */
-    uint64_t memoryUsage() const;
-
     //! Data for the pre-processor
     std::unique_ptr<Data::Solar::Prepro> prepro;
 
diff --git a/src/libs/antares/study/include/antares/study/parts/solar/prepro.h b/src/libs/antares/study/include/antares/study/parts/solar/prepro.h
index 4365c0c6cf..da559acd99 100644
--- a/src/libs/antares/study/include/antares/study/parts/solar/prepro.h
+++ b/src/libs/antares/study/include/antares/study/parts/solar/prepro.h
@@ -59,11 +59,6 @@ class Prepro
     */
     bool saveToFolder(const AnyString& folder) const;
 
-    /*!
-    ** \brief Get the amount of memory currently used
-    */
-    uint64_t memoryUsage() const;
-
     /*!
     ** \brief Make sure that all data are loaded in memory
     */
diff --git a/src/libs/antares/study/include/antares/study/parts/solar/prepro.hxx b/src/libs/antares/study/include/antares/study/parts/solar/prepro.hxx
index 5bf5a90d98..b32aec13be 100644
--- a/src/libs/antares/study/include/antares/study/parts/solar/prepro.hxx
+++ b/src/libs/antares/study/include/antares/study/parts/solar/prepro.hxx
@@ -23,11 +23,6 @@
 
 namespace Antares::Data::Solar
 {
-inline uint64_t Prepro::memoryUsage() const
-{
-    return xcast.memoryUsage();
-}
-
 inline bool Prepro::forceReload(bool reload) const
 {
     return xcast.forceReload(reload);
diff --git a/src/libs/antares/study/include/antares/study/parts/thermal/cluster.h b/src/libs/antares/study/include/antares/study/parts/thermal/cluster.h
index 9216ac88aa..09ada6b8c1 100644
--- a/src/libs/antares/study/include/antares/study/parts/thermal/cluster.h
+++ b/src/libs/antares/study/include/antares/study/parts/thermal/cluster.h
@@ -185,12 +185,6 @@ class ThermalCluster final: public Cluster, public std::enable_shared_from_this<
     */
     uint groupId() const override;
 
-    /*!
-    ** \brief Get the memory consummed by the thermal cluster (in bytes)
-    */
-    uint64_t memoryUsage() const override;
-    //@}
-
     //! \name validity of Min Stable Power
     //@{
     // bool minStablePowerValidity() const;
diff --git a/src/libs/antares/study/include/antares/study/parts/thermal/cluster_list.h b/src/libs/antares/study/include/antares/study/parts/thermal/cluster_list.h
index af3e096225..1aab721b56 100644
--- a/src/libs/antares/study/include/antares/study/parts/thermal/cluster_list.h
+++ b/src/libs/antares/study/include/antares/study/parts/thermal/cluster_list.h
@@ -38,7 +38,6 @@ class ThermalClusterList: public ClusterList<ThermalCluster>
 {
 public:
     std::string typeID() const override;
-    uint64_t memoryUsage() const override;
 
     /*!
     ** \brief Get the size (bytes) occupied in memory by a `ThermalClusterList` structure
diff --git a/src/libs/antares/study/include/antares/study/parts/thermal/ecoInput.h b/src/libs/antares/study/include/antares/study/parts/thermal/ecoInput.h
index c0456b8653..f538aa41cf 100644
--- a/src/libs/antares/study/include/antares/study/parts/thermal/ecoInput.h
+++ b/src/libs/antares/study/include/antares/study/parts/thermal/ecoInput.h
@@ -73,11 +73,6 @@ class EconomicInputData
     */
     bool saveToFolder(const AnyString& folder) const;
 
-    /*!
-    ** \brief Get the amount of memory used by the class
-    */
-    uint64_t memoryUsage() const;
-
     //! All {FO,PO}{Duration,Rate} annual values
     // max x DAYS_PER_YEAR
     TimeSeries::TS fuelcost;
diff --git a/src/libs/antares/study/include/antares/study/parts/wind/container.h b/src/libs/antares/study/include/antares/study/parts/wind/container.h
index ba149068f5..21d46d3a83 100644
--- a/src/libs/antares/study/include/antares/study/parts/wind/container.h
+++ b/src/libs/antares/study/include/antares/study/parts/wind/container.h
@@ -59,11 +59,6 @@ class Container
     */
     void markAsModified() const;
 
-    /*!
-    ** \brief Get the amount of memory currently used by the class
-    */
-    uint64_t memoryUsage() const;
-
     //! Data for the pre-processor
     std::unique_ptr<Data::Wind::Prepro> prepro;
 
diff --git a/src/libs/antares/study/include/antares/study/parts/wind/prepro.h b/src/libs/antares/study/include/antares/study/parts/wind/prepro.h
index 1d0ed8722e..2e75729b26 100644
--- a/src/libs/antares/study/include/antares/study/parts/wind/prepro.h
+++ b/src/libs/antares/study/include/antares/study/parts/wind/prepro.h
@@ -56,11 +56,6 @@ class Prepro
     */
     bool saveToFolder(const AnyString& folder) const;
 
-    /*!
-    ** \brief Get the amount of memory currently used
-    */
-    uint64_t memoryUsage() const;
-
     /*!
     ** \brief Make sure that all data are loaded in memory
     */
diff --git a/src/libs/antares/study/include/antares/study/parts/wind/prepro.hxx b/src/libs/antares/study/include/antares/study/parts/wind/prepro.hxx
index 5013c89f8c..a52b568902 100644
--- a/src/libs/antares/study/include/antares/study/parts/wind/prepro.hxx
+++ b/src/libs/antares/study/include/antares/study/parts/wind/prepro.hxx
@@ -24,11 +24,6 @@
 namespace Antares::Data::Wind
 {
 
-inline uint64_t Prepro::memoryUsage() const
-{
-    return xcast.memoryUsage();
-}
-
 inline bool Prepro::forceReload(bool reload) const
 {
     return xcast.forceReload(reload);
diff --git a/src/libs/antares/study/include/antares/study/simulation.h b/src/libs/antares/study/include/antares/study/simulation.h
index b3ca6addd8..14d93d2568 100644
--- a/src/libs/antares/study/include/antares/study/simulation.h
+++ b/src/libs/antares/study/include/antares/study/simulation.h
@@ -65,9 +65,6 @@ class SimulationComments final
 
     void saveUsingWriter(Solver::IResultWriter& writer, const AnyString& folder) const;
 
-    //! Get (in bytes) the amount of memory used by the class
-    uint64_t memoryUsage() const;
-
 public:
     //! Comments
     YString comments;
diff --git a/src/libs/antares/study/include/antares/study/study.h b/src/libs/antares/study/include/antares/study/study.h
index 9b348a28f5..7172948641 100644
--- a/src/libs/antares/study/include/antares/study/study.h
+++ b/src/libs/antares/study/include/antares/study/study.h
@@ -428,11 +428,6 @@ class Study: public Yuni::NonCopyable<Study>, public LayerData
     */
     void ensureDataAreLoadedForAllBindingConstraints();
 
-    /*!
-    ** \brief Get the amound of memory consummed by the study (in bytes)
-    */
-    uint64_t memoryUsage() const;
-
     //! \name Logs
     //@{
     /*!
diff --git a/src/libs/antares/study/include/antares/study/ui-runtimeinfos.h b/src/libs/antares/study/include/antares/study/ui-runtimeinfos.h
index 61409977b3..0417cdaddb 100644
--- a/src/libs/antares/study/include/antares/study/ui-runtimeinfos.h
+++ b/src/libs/antares/study/include/antares/study/ui-runtimeinfos.h
@@ -137,8 +137,6 @@ class UIRuntimeInfo final
 
     uint visibleLinksCount(uint layerID);
 
-    uint64_t memoryUsage() const;
-
 public:
     //! Areas ordered by their name + links ordered by their name
     Area::LinkMap orderedAreasAndLinks;
diff --git a/src/libs/antares/study/include/antares/study/xcast/xcast.h b/src/libs/antares/study/include/antares/study/xcast/xcast.h
index cc7e281763..a029eeaef7 100644
--- a/src/libs/antares/study/include/antares/study/xcast/xcast.h
+++ b/src/libs/antares/study/include/antares/study/xcast/xcast.h
@@ -159,17 +159,6 @@ class XCast final: private Yuni::NonCopyable<XCast>
     */
     void markAsModified() const;
 
-    /*!
-    ** \brief Get the amount of memory currently used by the XCast data
-    */
-    uint64_t memoryUsage() const;
-
-    /*!
-    ** \brief Estimate the amount of memory required by this class for a simulation
-    */
-
-    //@}
-
 public:
     /*!
     ** \brief Data required for XCast: coefficients (coeffMax x 12)
@@ -214,6 +203,4 @@ class XCast final: private Yuni::NonCopyable<XCast>
 
 } // namespace Antares::Data
 
-#include "xcast.hxx"
-
 #endif // __ANTARES_LIBS_STUDY_XCAST_XCAST_H__
diff --git a/src/libs/antares/study/include/antares/study/xcast/xcast.hxx b/src/libs/antares/study/include/antares/study/xcast/xcast.hxx
deleted file mode 100644
index e5072fb81e..0000000000
--- a/src/libs/antares/study/include/antares/study/xcast/xcast.hxx
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
-** Copyright 2007-2024, RTE (https://www.rte-france.com)
-** See AUTHORS.txt
-** SPDX-License-Identifier: MPL-2.0
-** This file is part of Antares-Simulator,
-** Adequacy and Performance assessment for interconnected energy networks.
-**
-** Antares_Simulator is free software: you can redistribute it and/or modify
-** it under the terms of the Mozilla Public Licence 2.0 as published by
-** the Mozilla Foundation, either version 2 of the License, or
-** (at your option) any later version.
-**
-** Antares_Simulator is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-** Mozilla Public Licence 2.0 for more details.
-**
-** You should have received a copy of the Mozilla Public Licence 2.0
-** along with Antares_Simulator. If not, see <https://opensource.org/license/mpl-2-0/>.
-*/
-#ifndef __ANTARES_LIBS_STUDY_XCAST_XCAST_HXX__
-#define __ANTARES_LIBS_STUDY_XCAST_XCAST_HXX__
-
-#include <yuni/io/directory.h>
-
-namespace Antares
-{
-namespace Data
-{
-inline uint64_t XCast::memoryUsage() const
-{
-    return sizeof(XCast) + data.memoryUsage() + K.memoryUsage() + translation.memoryUsage()
-           + conversion.memoryUsage();
-}
-
-} // namespace Data
-} // namespace Antares
-
-#endif // __ANTARES_LIBS_STUDY_XCAST_XCAST_HXX__
diff --git a/src/libs/antares/study/parameters.cpp b/src/libs/antares/study/parameters.cpp
index 72be2dd7b4..3772c4dd19 100644
--- a/src/libs/antares/study/parameters.cpp
+++ b/src/libs/antares/study/parameters.cpp
@@ -1376,12 +1376,6 @@ void Parameters::validateOptions(const StudyLoadOptions& options)
     handleOptimizationOptions(options);
 }
 
-uint64_t Parameters::memoryUsage() const
-{
-    return sizeof(Parameters) + yearsWeight.size() * sizeof(double)
-           + yearsFilter.size(); // vector of bools, 1 bit per coefficient
-}
-
 void Parameters::resetYearsWeigth()
 {
     yearsWeight.clear();
diff --git a/src/libs/antares/study/parts/hydro/prepro.cpp b/src/libs/antares/study/parts/hydro/prepro.cpp
index 13711759f4..772655567a 100644
--- a/src/libs/antares/study/parts/hydro/prepro.cpp
+++ b/src/libs/antares/study/parts/hydro/prepro.cpp
@@ -92,11 +92,6 @@ PreproHydro::PreproHydro()
 {
 }
 
-uint64_t PreproHydroMemoryUsage(PreproHydro* h)
-{
-    return (h) ? sizeof(double) : 0;
-}
-
 void PreproHydro::reset()
 {
     intermonthlyCorrelation = 0.5;
diff --git a/src/libs/antares/study/parts/hydro/series.cpp b/src/libs/antares/study/parts/hydro/series.cpp
index 52a087b975..c816be84a0 100644
--- a/src/libs/antares/study/parts/hydro/series.cpp
+++ b/src/libs/antares/study/parts/hydro/series.cpp
@@ -213,12 +213,6 @@ bool DataSeriesHydro::saveToFolder(const AreaName& areaID, const AnyString& fold
     return false;
 }
 
-uint64_t DataSeriesHydro::memoryUsage() const
-{
-    return sizeof(double) + ror.memoryUsage() + storage.memoryUsage() + mingen.memoryUsage()
-           + maxHourlyGenPower.memoryUsage() + maxHourlyPumpPower.memoryUsage();
-}
-
 uint DataSeriesHydro::TScount() const
 {
     const std::vector<uint32_t> nbColumns({storage.numberOfColumns(),
diff --git a/src/libs/antares/study/parts/load/container.cpp b/src/libs/antares/study/parts/load/container.cpp
index 364b761985..3866deee9f 100644
--- a/src/libs/antares/study/parts/load/container.cpp
+++ b/src/libs/antares/study/parts/load/container.cpp
@@ -55,11 +55,6 @@ void Container::markAsModified() const
     }
 }
 
-uint64_t Container::memoryUsage() const
-{
-    return sizeof(Container) + series.memoryUsage() + ((!prepro) ? 0 : prepro->memoryUsage());
-}
-
 void Container::resetToDefault()
 {
     series.reset();
diff --git a/src/libs/antares/study/parts/renewable/cluster.cpp b/src/libs/antares/study/parts/renewable/cluster.cpp
index 749ed53a57..a89872d4f9 100644
--- a/src/libs/antares/study/parts/renewable/cluster.cpp
+++ b/src/libs/antares/study/parts/renewable/cluster.cpp
@@ -201,13 +201,6 @@ double RenewableCluster::valueAtTimeStep(uint year, uint hourInYear) const
     return 0.;
 }
 
-uint64_t RenewableCluster::memoryUsage() const
-{
-    uint64_t amount = sizeof(RenewableCluster);
-    amount += series.memoryUsage();
-    return amount;
-}
-
 unsigned int RenewableCluster::precision() const
 {
     return 4;
diff --git a/src/libs/antares/study/parts/renewable/cluster_list.cpp b/src/libs/antares/study/parts/renewable/cluster_list.cpp
index aa1c915a75..2b1ac3d3b6 100644
--- a/src/libs/antares/study/parts/renewable/cluster_list.cpp
+++ b/src/libs/antares/study/parts/renewable/cluster_list.cpp
@@ -38,13 +38,6 @@ std::string RenewableClusterList::typeID() const
     return "renewables";
 }
 
-uint64_t RenewableClusterList::memoryUsage() const
-{
-    uint64_t ret = sizeof(RenewableClusterList) + (2 * sizeof(void*)) * enabledCount();
-    std::ranges::for_each(each_enabled(), [&ret](const auto c) { ret += c->memoryUsage(); });
-    return ret;
-}
-
 bool RenewableClusterList::saveToFolder(const AnyString& folder) const
 {
     // Make sure the folder is created
diff --git a/src/libs/antares/study/parts/solar/container.cpp b/src/libs/antares/study/parts/solar/container.cpp
index 08c85a0cc0..19275684e4 100644
--- a/src/libs/antares/study/parts/solar/container.cpp
+++ b/src/libs/antares/study/parts/solar/container.cpp
@@ -55,11 +55,6 @@ void Container::markAsModified() const
     }
 }
 
-uint64_t Container::memoryUsage() const
-{
-    return sizeof(Container) + series.memoryUsage() + ((!prepro) ? 0 : prepro->memoryUsage());
-}
-
 void Container::resetToDefault()
 {
     series.reset();
diff --git a/src/libs/antares/study/parts/thermal/cluster.cpp b/src/libs/antares/study/parts/thermal/cluster.cpp
index 9198bc1ec6..f85fae235e 100644
--- a/src/libs/antares/study/parts/thermal/cluster.cpp
+++ b/src/libs/antares/study/parts/thermal/cluster.cpp
@@ -616,18 +616,6 @@ const char* Data::ThermalCluster::GroupName(enum ThermalDispatchableGroup grp)
     return "";
 }
 
-uint64_t ThermalCluster::memoryUsage() const
-{
-    uint64_t amount = sizeof(ThermalCluster) + modulation.memoryUsage();
-    if (prepro)
-    {
-        amount += prepro->memoryUsage();
-    }
-    amount += series.memoryUsage();
-    amount += ecoInput.memoryUsage();
-    return amount;
-}
-
 void ThermalCluster::calculatMinDivModulation()
 {
     minDivModulation.value = (modulation[thermalModulationCapacity][0]
diff --git a/src/libs/antares/study/parts/thermal/cluster_list.cpp b/src/libs/antares/study/parts/thermal/cluster_list.cpp
index 05dec064cc..99d7fc21ac 100644
--- a/src/libs/antares/study/parts/thermal/cluster_list.cpp
+++ b/src/libs/antares/study/parts/thermal/cluster_list.cpp
@@ -63,14 +63,6 @@ std::string ThermalClusterList::typeID() const
     return "thermal";
 }
 
-uint64_t ThermalClusterList::memoryUsage() const
-{
-    uint64_t ret = sizeof(ThermalClusterList) + (2 * sizeof(void*)) * enabledAndMustRunCount();
-    std::ranges::for_each(each_enabled_and_not_mustrun(),
-                          [&ret](const auto c) { ret += c->memoryUsage(); });
-    return ret;
-}
-
 static bool ThermalClusterLoadFromSection(const AnyString& filename,
                                           ThermalCluster& cluster,
                                           const IniFile::Section& section);
diff --git a/src/libs/antares/study/parts/thermal/ecoInput.cpp b/src/libs/antares/study/parts/thermal/ecoInput.cpp
index c64b65a33d..a25c666f33 100644
--- a/src/libs/antares/study/parts/thermal/ecoInput.cpp
+++ b/src/libs/antares/study/parts/thermal/ecoInput.cpp
@@ -123,9 +123,4 @@ void EconomicInputData::reset()
     co2cost.reset(1, HOURS_PER_YEAR, true);
 }
 
-uint64_t EconomicInputData::memoryUsage() const
-{
-    return sizeof(EconomicInputData);
-}
-
 } // namespace Antares::Data
diff --git a/src/libs/antares/study/parts/wind/container.cpp b/src/libs/antares/study/parts/wind/container.cpp
index 64575b73ab..bf90f779b8 100644
--- a/src/libs/antares/study/parts/wind/container.cpp
+++ b/src/libs/antares/study/parts/wind/container.cpp
@@ -54,11 +54,6 @@ void Container::markAsModified() const
     }
 }
 
-uint64_t Container::memoryUsage() const
-{
-    return sizeof(Container) + series.memoryUsage() + ((!prepro) ? 0 : prepro->memoryUsage());
-}
-
 void Container::resetToDefault()
 {
     series.reset();
diff --git a/src/libs/antares/study/runtime/runtime.cpp b/src/libs/antares/study/runtime/runtime.cpp
index bef958919d..3bca4404a5 100644
--- a/src/libs/antares/study/runtime/runtime.cpp
+++ b/src/libs/antares/study/runtime/runtime.cpp
@@ -366,7 +366,6 @@ bool StudyRuntimeInfos::loadFromStudy(Study& study)
     logs.info() << "     binding constraints: "
                 << study.bindingConstraints.activeConstraints().size();
     logs.info() << "     geographic trimming:" << (gd.geographicTrimming ? "true" : "false");
-    logs.info() << "     memory : " << ((study.memoryUsage()) / 1024 / 1024) << "Mo";
     logs.info();
 
     return true;
diff --git a/src/libs/antares/study/simulation.cpp b/src/libs/antares/study/simulation.cpp
index cb4465130a..12db9184ca 100644
--- a/src/libs/antares/study/simulation.cpp
+++ b/src/libs/antares/study/simulation.cpp
@@ -90,10 +90,5 @@ bool SimulationComments::loadFromFolder(const StudyLoadOptions& options)
     return true;
 }
 
-uint64_t SimulationComments::memoryUsage() const
-{
-    return name.capacity() + comments.capacity();
-}
-
 } // namespace Data
 } // namespace Antares
diff --git a/src/libs/antares/study/study.cpp b/src/libs/antares/study/study.cpp
index 1b5493e750..39130a968e 100644
--- a/src/libs/antares/study/study.cpp
+++ b/src/libs/antares/study/study.cpp
@@ -187,26 +187,6 @@ void Study::reduceMemoryUsage()
     ClearAndShrink(bufferLoadingTS);
 }
 
-// TODO remove with GUI
-uint64_t Study::memoryUsage() const
-{
-    return buffer.capacity() // Folders paths
-           + dataBuffer.capacity()
-           + bufferLoadingTS.capacity()
-           // Simulation
-           + simulationComments.memoryUsage()
-           // parameters
-           + parameters.memoryUsage()
-           // Areas
-           + areas.memoryUsage()
-           // Binding constraints
-           + bindingConstraints.memoryUsage()
-           // Correlations matrices
-           + preproLoadCorrelation.memoryUsage() + preproSolarCorrelation.memoryUsage()
-           + preproHydroCorrelation.memoryUsage() + preproWindCorrelation.memoryUsage()
-           + (uiinfo ? uiinfo->memoryUsage() : 0);
-}
-
 unsigned Study::getNumberOfCoresPerMode(unsigned nbLogicalCores, int ncMode)
 {
     if (!nbLogicalCores)
diff --git a/src/libs/antares/study/ui-runtimeinfos.cpp b/src/libs/antares/study/ui-runtimeinfos.cpp
index 5140656226..de042cc785 100644
--- a/src/libs/antares/study/ui-runtimeinfos.cpp
+++ b/src/libs/antares/study/ui-runtimeinfos.cpp
@@ -143,11 +143,6 @@ void UIRuntimeInfo::reloadBindingConstraints()
     }
 }
 
-uint64_t UIRuntimeInfo::memoryUsage() const
-{
-    return sizeof(UIRuntimeInfo) + sizeof(AreaLink*) * pLink.size();
-}
-
 uint UIRuntimeInfo::countItems(BindingConstraint::Operator op, BindingConstraint::Type type)
 {
     ByOperatorAndType::const_iterator i = byOperator.find(op);
diff --git a/src/solver/simulation/include/antares/solver/simulation/solver.hxx b/src/solver/simulation/include/antares/solver/simulation/solver.hxx
index 7f4a63ab82..7a47a75e69 100644
--- a/src/solver/simulation/include/antares/solver/simulation/solver.hxx
+++ b/src/solver/simulation/include/antares/solver/simulation/solver.hxx
@@ -280,8 +280,6 @@ void ISimulation<ImplementationType>::run()
 
     // Memory usage
     {
-        logs.info() << " Variables:  ("
-                    << (uint)(ImplementationType::variables.memoryUsage() / 1024 / 1024) << "Mo)";
         Variable::PrintInfosStdCout c;
         ImplementationType::variables.template provideInformations<Variable::PrintInfosStdCout>(c);
     }
diff --git a/src/solver/ts-generator/include/antares/solver/ts-generator/prepro.h b/src/solver/ts-generator/include/antares/solver/ts-generator/prepro.h
index 850463b580..ff3416bb67 100644
--- a/src/solver/ts-generator/include/antares/solver/ts-generator/prepro.h
+++ b/src/solver/ts-generator/include/antares/solver/ts-generator/prepro.h
@@ -95,11 +95,6 @@ class PreproAvailability
     */
     bool saveToFolder(const AnyString& folder) const;
 
-    /*!
-    ** \brief Get the amount of memory used by the class
-    */
-    uint64_t memoryUsage() const;
-
     /*!
     ** \brief Normalize NPO max and check for consistency
     **
diff --git a/src/solver/ts-generator/prepro.cpp b/src/solver/ts-generator/prepro.cpp
index b26faefb50..943527c8e7 100644
--- a/src/solver/ts-generator/prepro.cpp
+++ b/src/solver/ts-generator/prepro.cpp
@@ -155,11 +155,6 @@ void PreproAvailability::markAsModified() const
     data.markAsModified();
 }
 
-uint64_t PreproAvailability::memoryUsage() const
-{
-    return sizeof(PreproAvailability);
-}
-
 void PreproAvailability::reset()
 {
     data.reset(preproAvailabilityMax, DAYS_PER_YEAR, true);
diff --git a/src/solver/variable/include/antares/solver/variable/area.h b/src/solver/variable/include/antares/solver/variable/area.h
index 9328c27ba8..3f380a0941 100644
--- a/src/solver/variable/include/antares/solver/variable/area.h
+++ b/src/solver/variable/include/antares/solver/variable/area.h
@@ -163,8 +163,6 @@ class Areas //: public Variable::IVariable<Areas<NextT>, NextT, VCardAllAreas>
 
     void beforeYearByYearExport(uint year, uint numSpace);
 
-    uint64_t memoryUsage() const;
-
     template<class I>
     static void provideInformations(I& infos);
 
diff --git a/src/solver/variable/include/antares/solver/variable/area.hxx b/src/solver/variable/include/antares/solver/variable/area.hxx
index d3b34bb973..60028d1a85 100644
--- a/src/solver/variable/include/antares/solver/variable/area.hxx
+++ b/src/solver/variable/include/antares/solver/variable/area.hxx
@@ -538,19 +538,6 @@ void Areas<NextT>::beforeYearByYearExport(uint year, uint numSpace)
         pAreas[i].beforeYearByYearExport(year, numSpace);
     }
 }
-
-template<class NextT>
-uint64_t Areas<NextT>::memoryUsage() const
-{
-    uint64_t result = 0;
-    for (unsigned int i = 0; i != pAreaCount; ++i)
-    {
-        result += sizeof(NextType) + sizeof(void*); // overhead vector
-        result += pAreas[i].memoryUsage();
-    }
-    return result;
-}
-
 } // namespace Variable
 } // namespace Solver
 } // namespace Antares
diff --git a/src/solver/variable/include/antares/solver/variable/bindConstraints.h b/src/solver/variable/include/antares/solver/variable/bindConstraints.h
index b10d7e9186..9bf44dd85e 100644
--- a/src/solver/variable/include/antares/solver/variable/bindConstraints.h
+++ b/src/solver/variable/include/antares/solver/variable/bindConstraints.h
@@ -152,8 +152,6 @@ class BindingConstraints
                                  int precision,
                                  uint numSpace) const;
 
-    uint64_t memoryUsage() const;
-
     template<class V>
     void yearEndSpatialAggregates(V&, uint, uint)
     {
diff --git a/src/solver/variable/include/antares/solver/variable/bindConstraints.hxx b/src/solver/variable/include/antares/solver/variable/bindConstraints.hxx
index 63738c4f5c..f1824c67da 100644
--- a/src/solver/variable/include/antares/solver/variable/bindConstraints.hxx
+++ b/src/solver/variable/include/antares/solver/variable/bindConstraints.hxx
@@ -234,18 +234,6 @@ void BindingConstraints<NextT>::hourEnd(State& state, uint hourInTheYear)
     }
 }
 
-template<class NextT>
-uint64_t BindingConstraints<NextT>::memoryUsage() const
-{
-    uint64_t result = 0;
-    for (unsigned int i = 0; i != pBCcount; ++i)
-    {
-        result += sizeof(NextType) + sizeof(void*); // overhead vector
-        result += pBindConstraints[i].memoryUsage();
-    }
-    return result;
-}
-
 template<class NextT>
 void BindingConstraints<NextT>::weekForEachArea(State& state, unsigned int numSpace)
 {
diff --git a/src/solver/variable/include/antares/solver/variable/commons/join.h b/src/solver/variable/include/antares/solver/variable/commons/join.h
index 37f048ec83..09d067a97a 100644
--- a/src/solver/variable/include/antares/solver/variable/commons/join.h
+++ b/src/solver/variable/include/antares/solver/variable/commons/join.h
@@ -326,11 +326,6 @@ class Join: public Variable::IVariable<Join<LeftT, RightT>, Yuni::Default, VCard
         RightType::template simulationEndSpatialAggregates(allVars);
     }
 
-    uint64_t memoryUsage() const
-    {
-        return LeftType::memoryUsage() + RightType::memoryUsage();
-    }
-
     template<class I>
     static void provideInformations(I& infos)
     {
diff --git a/src/solver/variable/include/antares/solver/variable/commons/links/links.h b/src/solver/variable/include/antares/solver/variable/commons/links/links.h
index eff3b7d09d..f7b29c6fd0 100644
--- a/src/solver/variable/include/antares/solver/variable/commons/links/links.h
+++ b/src/solver/variable/include/antares/solver/variable/commons/links/links.h
@@ -174,8 +174,6 @@ class Links
 
     void beforeYearByYearExport(uint year, uint numSpace);
 
-    uint64_t memoryUsage() const;
-
     void buildDigest(SurveyResults& results, int digestLevel, int dataLevel) const;
 
     template<class I>
diff --git a/src/solver/variable/include/antares/solver/variable/commons/links/links.hxx b/src/solver/variable/include/antares/solver/variable/commons/links/links.hxx
index d56090f7d3..00ba05bbe4 100644
--- a/src/solver/variable/include/antares/solver/variable/commons/links/links.hxx
+++ b/src/solver/variable/include/antares/solver/variable/commons/links/links.hxx
@@ -348,18 +348,6 @@ void Links<VariablePerLink>::RetrieveVariableList(PredicateT& predicate)
     NextType::RetrieveVariableList(predicate);
 }
 
-template<class VariablePerLink>
-inline uint64_t Links<VariablePerLink>::memoryUsage() const
-{
-    uint64_t result = 0;
-    for (uint i = 0; i != pLinkCount; ++i)
-    {
-        result += sizeof(NextType) + sizeof(void*);
-        result += pLinks[i].memoryUsage();
-    }
-    return result;
-}
-
 template<class VariablePerLink>
 Links<VariablePerLink>::~Links()
 {
diff --git a/src/solver/variable/include/antares/solver/variable/container.h b/src/solver/variable/include/antares/solver/variable/container.h
index 94a3997b79..23938f71f1 100644
--- a/src/solver/variable/include/antares/solver/variable/container.h
+++ b/src/solver/variable/include/antares/solver/variable/container.h
@@ -220,12 +220,6 @@ class List: public NextT
     void buildDigest(SurveyResults& results, int digestLevel, int dataLevel) const;
     //@}
 
-    //! \name Memory management
-    //@{
-    //! Get the amount of memory currently used by the class
-    uint64_t memoryUsage() const;
-    //@}
-
 private:
     //! Pointer to the current study
     Data::Study* pStudy;
diff --git a/src/solver/variable/include/antares/solver/variable/container.hxx b/src/solver/variable/include/antares/solver/variable/container.hxx
index 0f9559b3a2..2435a2ef8d 100644
--- a/src/solver/variable/include/antares/solver/variable/container.hxx
+++ b/src/solver/variable/include/antares/solver/variable/container.hxx
@@ -237,12 +237,6 @@ inline void List<NextT>::retrieveResultsForLink(
     NextType::template retrieveResultsForLink<VCardToFindT>(result, link);
 }
 
-template<class NextT>
-inline uint64_t List<NextT>::memoryUsage() const
-{
-    return sizeof(ListType) + NextType::memoryUsage();
-}
-
 template<class NextT>
 void List<NextT>::buildSurveyReport(SurveyResults& results,
                                     int dataLevel,
diff --git a/src/solver/variable/include/antares/solver/variable/economy/STSbyGroup.h b/src/solver/variable/include/antares/solver/variable/economy/STSbyGroup.h
index 4e3ad6ee7c..5ea9c01af4 100644
--- a/src/solver/variable/include/antares/solver/variable/economy/STSbyGroup.h
+++ b/src/solver/variable/include/antares/solver/variable/economy/STSbyGroup.h
@@ -337,15 +337,6 @@ class STSbyGroup: public Variable::IVariable<STSbyGroup<NextT>, NextT, VCardSTSb
         return pValuesForTheCurrentYear[numSpace][column].hour;
     }
 
-    inline uint64_t memoryUsage() const
-    {
-        uint64_t r = (sizeof(IntermediateValues) * nbColumns_ + IntermediateValues::MemoryUsage())
-                     * pNbYearsParallel;
-        r += sizeof(double) * nbColumns_ * HOURS_PER_YEAR * pNbYearsParallel;
-        r += AncestorType::memoryUsage();
-        return r;
-    }
-
     std::string caption(unsigned int column) const
     {
         static const std::vector<std::string> VAR_POSSIBLE_KINDS = {"INJECTION",
diff --git a/src/solver/variable/include/antares/solver/variable/economy/STStorageCashFlowByCluster.h b/src/solver/variable/include/antares/solver/variable/economy/STStorageCashFlowByCluster.h
index eb2eaa48b9..9893049943 100644
--- a/src/solver/variable/include/antares/solver/variable/economy/STStorageCashFlowByCluster.h
+++ b/src/solver/variable/include/antares/solver/variable/economy/STStorageCashFlowByCluster.h
@@ -259,15 +259,6 @@ class STstorageCashFlowByCluster: public Variable::IVariable<STstorageCashFlowBy
         return pValuesForTheCurrentYear[numSpace][column].hour;
     }
 
-    inline uint64_t memoryUsage() const
-    {
-        uint64_t r = (sizeof(IntermediateValues) * nbClusters_ + IntermediateValues::MemoryUsage())
-                     * pNbYearsParallel;
-        r += sizeof(double) * nbClusters_ * HOURS_PER_YEAR * pNbYearsParallel;
-        r += AncestorType::memoryUsage();
-        return r;
-    }
-
     void localBuildAnnualSurveyReport(SurveyResults& results,
                                       int fileLevel,
                                       int precision,
diff --git a/src/solver/variable/include/antares/solver/variable/economy/STStorageInjectionByCluster.h b/src/solver/variable/include/antares/solver/variable/economy/STStorageInjectionByCluster.h
index 7d7646b5c8..734d73eb6e 100644
--- a/src/solver/variable/include/antares/solver/variable/economy/STStorageInjectionByCluster.h
+++ b/src/solver/variable/include/antares/solver/variable/economy/STStorageInjectionByCluster.h
@@ -259,15 +259,6 @@ class STstorageInjectionByCluster: public Variable::IVariable<STstorageInjection
         return pValuesForTheCurrentYear[numSpace][column].hour;
     }
 
-    inline uint64_t memoryUsage() const
-    {
-        uint64_t r = (sizeof(IntermediateValues) * nbClusters_ + IntermediateValues::MemoryUsage())
-                     * pNbYearsParallel;
-        r += sizeof(double) * nbClusters_ * HOURS_PER_YEAR * pNbYearsParallel;
-        r += AncestorType::memoryUsage();
-        return r;
-    }
-
     void localBuildAnnualSurveyReport(SurveyResults& results,
                                       int fileLevel,
                                       int precision,
diff --git a/src/solver/variable/include/antares/solver/variable/economy/STStorageLevelsByCluster.h b/src/solver/variable/include/antares/solver/variable/economy/STStorageLevelsByCluster.h
index fff57c33c7..55398f2252 100644
--- a/src/solver/variable/include/antares/solver/variable/economy/STStorageLevelsByCluster.h
+++ b/src/solver/variable/include/antares/solver/variable/economy/STStorageLevelsByCluster.h
@@ -260,15 +260,6 @@ class STstorageLevelsByCluster: public Variable::IVariable<STstorageLevelsByClus
         return pValuesForTheCurrentYear[numSpace][column].hour;
     }
 
-    inline uint64_t memoryUsage() const
-    {
-        uint64_t r = (sizeof(IntermediateValues) * nbClusters_ + IntermediateValues::MemoryUsage())
-                     * pNbYearsParallel;
-        r += sizeof(double) * nbClusters_ * HOURS_PER_YEAR * pNbYearsParallel;
-        r += AncestorType::memoryUsage();
-        return r;
-    }
-
     void localBuildAnnualSurveyReport(SurveyResults& results,
                                       int fileLevel,
                                       int precision,
diff --git a/src/solver/variable/include/antares/solver/variable/economy/STStorageWithdrawalByCluster.h b/src/solver/variable/include/antares/solver/variable/economy/STStorageWithdrawalByCluster.h
index 998cc3e9ed..e9840207b6 100644
--- a/src/solver/variable/include/antares/solver/variable/economy/STStorageWithdrawalByCluster.h
+++ b/src/solver/variable/include/antares/solver/variable/economy/STStorageWithdrawalByCluster.h
@@ -259,15 +259,6 @@ class STstorageWithdrawalByCluster: public Variable::IVariable<STstorageWithdraw
         return pValuesForTheCurrentYear[numSpace][column].hour;
     }
 
-    inline uint64_t memoryUsage() const
-    {
-        uint64_t r = (sizeof(IntermediateValues) * nbClusters_ + IntermediateValues::MemoryUsage())
-                     * pNbYearsParallel;
-        r += sizeof(double) * nbClusters_ * HOURS_PER_YEAR * pNbYearsParallel;
-        r += AncestorType::memoryUsage();
-        return r;
-    }
-
     void localBuildAnnualSurveyReport(SurveyResults& results,
                                       int fileLevel,
                                       int precision,
diff --git a/src/solver/variable/include/antares/solver/variable/economy/productionByDispatchablePlant.h b/src/solver/variable/include/antares/solver/variable/economy/productionByDispatchablePlant.h
index b54245b644..3e62a1f893 100644
--- a/src/solver/variable/include/antares/solver/variable/economy/productionByDispatchablePlant.h
+++ b/src/solver/variable/include/antares/solver/variable/economy/productionByDispatchablePlant.h
@@ -344,15 +344,6 @@ class ProductionByDispatchablePlant
         return pValuesForTheCurrentYear[numSpace][column].hour;
     }
 
-    inline uint64_t memoryUsage() const
-    {
-        uint64_t r = (sizeof(IntermediateValues) * pSize + IntermediateValues::MemoryUsage())
-                     * pNbYearsParallel;
-        r += sizeof(double) * pSize * HOURS_PER_YEAR * pNbYearsParallel;
-        r += AncestorType::memoryUsage();
-        return r;
-    }
-
     void localBuildAnnualSurveyReport(SurveyResults& results,
                                       int fileLevel,
                                       int precision,
diff --git a/src/solver/variable/include/antares/solver/variable/economy/productionByRenewablePlant.h b/src/solver/variable/include/antares/solver/variable/economy/productionByRenewablePlant.h
index 82ce7b3dcf..ae459393db 100644
--- a/src/solver/variable/include/antares/solver/variable/economy/productionByRenewablePlant.h
+++ b/src/solver/variable/include/antares/solver/variable/economy/productionByRenewablePlant.h
@@ -308,15 +308,6 @@ class ProductionByRenewablePlant: public Variable::IVariable<ProductionByRenewab
         return pValuesForTheCurrentYear[numSpace][column].hour;
     }
 
-    inline uint64_t memoryUsage() const
-    {
-        uint64_t r = (sizeof(IntermediateValues) * pSize + IntermediateValues::MemoryUsage())
-                     * pNbYearsParallel;
-        r += sizeof(double) * pSize * HOURS_PER_YEAR * pNbYearsParallel;
-        r += AncestorType::memoryUsage();
-        return r;
-    }
-
     void localBuildAnnualSurveyReport(SurveyResults& results,
                                       int fileLevel,
                                       int precision,
diff --git a/src/solver/variable/include/antares/solver/variable/endoflist.h b/src/solver/variable/include/antares/solver/variable/endoflist.h
index d8cb5dd69d..cf693557b3 100644
--- a/src/solver/variable/include/antares/solver/variable/endoflist.h
+++ b/src/solver/variable/include/antares/solver/variable/endoflist.h
@@ -228,11 +228,6 @@ class EndOfList
     {
     }
 
-    static uint64_t memoryUsage()
-    {
-        return 0;
-    }
-
     template<class I>
     static void provideInformations(I&)
     {
diff --git a/src/solver/variable/include/antares/solver/variable/info.h b/src/solver/variable/include/antares/solver/variable/info.h
index 39c6a43e42..2eaa3df68f 100644
--- a/src/solver/variable/include/antares/solver/variable/info.h
+++ b/src/solver/variable/include/antares/solver/variable/info.h
@@ -162,16 +162,6 @@ struct VariableAccessor
         }
     }
 
-    static uint64_t Value(const Type& container)
-    {
-        uint64_t result = 0;
-        for (uint i = 0; i != ColumnCountT; ++i)
-        {
-            result += container[i].memoryUsage();
-        }
-        return result;
-    }
-
     template<class VCardT>
     static void BuildDigest(SurveyResults& results,
                             const Type& container,
@@ -383,17 +373,6 @@ struct VariableAccessor<ResultsT, Category::dynamicColumns>
         }
     }
 
-    static uint64_t Value(const Type& container)
-    {
-        uint64_t result = 0;
-        const typename Type::const_iterator end = container.end();
-        for (typename Type::const_iterator i = container.begin(); i != end; ++i)
-        {
-            result += sizeof(ResultsT) + (*i).memoryUsage();
-        }
-        return result;
-    }
-
     template<class VCardT>
     static void BuildDigest(SurveyResults& results,
                             const Type& container,
@@ -620,11 +599,6 @@ struct VariableAccessor<ResultsT, Category::singleColumn /* The default */>
         container.merge(year, intermediateValues);
     }
 
-    static uint64_t Value(const Type& container)
-    {
-        return container.memoryUsage();
-    }
-
     template<class VCardT>
     static void BuildDigest(SurveyResults& results,
                             const Type& container,
diff --git a/src/solver/variable/include/antares/solver/variable/setofareas.h b/src/solver/variable/include/antares/solver/variable/setofareas.h
index 1263b986f3..74c68528ba 100644
--- a/src/solver/variable/include/antares/solver/variable/setofareas.h
+++ b/src/solver/variable/include/antares/solver/variable/setofareas.h
@@ -161,8 +161,6 @@ class SetsOfAreas
 
     void beforeYearByYearExport(uint year, uint numSpace);
 
-    uint64_t memoryUsage() const;
-
     template<class I>
     static void provideInformations(I& infos);
 
diff --git a/src/solver/variable/include/antares/solver/variable/setofareas.hxx b/src/solver/variable/include/antares/solver/variable/setofareas.hxx
index 630ded8903..19e60f2997 100644
--- a/src/solver/variable/include/antares/solver/variable/setofareas.hxx
+++ b/src/solver/variable/include/antares/solver/variable/setofareas.hxx
@@ -266,17 +266,6 @@ void SetsOfAreas<NextT>::buildDigest(SurveyResults& results, int digestLevel, in
     }
 }
 
-template<class NextT>
-inline uint64_t SetsOfAreas<NextT>::memoryUsage() const
-{
-    uint64_t result = sizeof(NextType) * pSetsOfAreas.size();
-    for (auto i = pBegin; i != pEnd; ++i)
-    {
-        result += (*i)->memoryUsage();
-    }
-    return result;
-}
-
 template<class NextT>
 template<class I>
 inline void SetsOfAreas<NextT>::provideInformations(I& infos)
diff --git a/src/solver/variable/include/antares/solver/variable/storage/average.h b/src/solver/variable/include/antares/solver/variable/storage/average.h
index fbeaf16a5b..43718fd4ca 100644
--- a/src/solver/variable/include/antares/solver/variable/storage/average.h
+++ b/src/solver/variable/include/antares/solver/variable/storage/average.h
@@ -161,11 +161,6 @@ struct Average: public NextT
         NextType::template buildDigest<VCardT>(report, digestLevel, dataLevel);
     }
 
-    uint64_t memoryUsage() const
-    {
-        return avgdata.dynamicMemoryUsage() + NextType::memoryUsage();
-    }
-
     template<template<class, int> class DecoratorT>
     Antares::Memory::Stored<double>::ConstReturnType hourlyValuesForSpatialAggregate() const
     {
diff --git a/src/solver/variable/include/antares/solver/variable/storage/averagedata.h b/src/solver/variable/include/antares/solver/variable/storage/averagedata.h
index 132b70317d..57c03820b5 100644
--- a/src/solver/variable/include/antares/solver/variable/storage/averagedata.h
+++ b/src/solver/variable/include/antares/solver/variable/storage/averagedata.h
@@ -52,11 +52,6 @@ class AverageData
 
     void merge(unsigned int year, const IntermediateValues& rhs);
 
-    uint64_t dynamicMemoryUsage() const
-    {
-        return sizeof(double) * HOURS_PER_YEAR + sizeof(double) * nbYearsCapacity;
-    }
-
 public:
     double monthly[MONTHS_PER_YEAR];
     double weekly[WEEKS_PER_YEAR];
diff --git a/src/solver/variable/include/antares/solver/variable/storage/empty.h b/src/solver/variable/include/antares/solver/variable/storage/empty.h
index 354c0f4545..747f87ae2f 100644
--- a/src/solver/variable/include/antares/solver/variable/storage/empty.h
+++ b/src/solver/variable/include/antares/solver/variable/storage/empty.h
@@ -71,11 +71,6 @@ struct Empty
         // Does nothing
     }
 
-    static uint64_t memoryUsage()
-    {
-        return 0;
-    }
-
     template<template<class, int> class DecoratorT>
     static Antares::Memory::Stored<double>::ConstReturnType hourlyValuesForSpatialAggregate()
     {
diff --git a/src/solver/variable/include/antares/solver/variable/storage/intermediate.h b/src/solver/variable/include/antares/solver/variable/storage/intermediate.h
index e7c1757c62..661baf7eaa 100644
--- a/src/solver/variable/include/antares/solver/variable/storage/intermediate.h
+++ b/src/solver/variable/include/antares/solver/variable/storage/intermediate.h
@@ -49,11 +49,6 @@ class IntermediateValues final
     typedef double Type;
 
 public:
-    //! Get the dynamic amount of memory consummed by a simulation
-    // \note This method assumes that you've already have gathered the size
-    //   of this class
-    static uint64_t MemoryUsage();
-
     //! \name Constructor & Destructor
     //@{
     /*!
diff --git a/src/solver/variable/include/antares/solver/variable/storage/intermediate.hxx b/src/solver/variable/include/antares/solver/variable/storage/intermediate.hxx
index 9dd74a235a..78a1806ede 100644
--- a/src/solver/variable/include/antares/solver/variable/storage/intermediate.hxx
+++ b/src/solver/variable/include/antares/solver/variable/storage/intermediate.hxx
@@ -53,11 +53,6 @@ inline const IntermediateValues::Type& IntermediateValues::operator[](
     return hour[index];
 }
 
-inline uint64_t IntermediateValues::MemoryUsage()
-{
-    return +sizeof(Type) * HOURS_PER_YEAR;
-}
-
 template<class VCardT>
 inline void IntermediateValues::buildAnnualSurveyReport(SurveyResults& report,
                                                         int fileLevel,
diff --git a/src/solver/variable/include/antares/solver/variable/storage/minmax.h b/src/solver/variable/include/antares/solver/variable/storage/minmax.h
index 6095863374..4d8c210435 100644
--- a/src/solver/variable/include/antares/solver/variable/storage/minmax.h
+++ b/src/solver/variable/include/antares/solver/variable/storage/minmax.h
@@ -143,11 +143,6 @@ struct MinMaxBase: public NextT
 
     void merge(uint year, const IntermediateValues& rhs);
 
-    uint64_t memoryUsage() const
-    {
-        return sizeof(double) * HOURS_PER_YEAR + NextType::memoryUsage();
-    }
-
     template<template<class> class DecoratorT>
     Antares::Memory::Stored<double>::ConstReturnType hourlyValuesForSpatialAggregate() const
     {
diff --git a/src/solver/variable/include/antares/solver/variable/storage/raw.h b/src/solver/variable/include/antares/solver/variable/storage/raw.h
index fe6c444840..0d2cf279fc 100644
--- a/src/solver/variable/include/antares/solver/variable/storage/raw.h
+++ b/src/solver/variable/include/antares/solver/variable/storage/raw.h
@@ -159,11 +159,6 @@ struct Raw: public NextT
         NextType::template buildDigest<VCardT>(report, digestLevel, dataLevel);
     }
 
-    uint64_t memoryUsage() const
-    {
-        return +sizeof(double) * HOURS_PER_YEAR + NextType::memoryUsage();
-    }
-
     template<template<class, int> class DecoratorT>
     Antares::Memory::Stored<double>::ConstReturnType hourlyValuesForSpatialAggregate() const
     {
diff --git a/src/solver/variable/include/antares/solver/variable/storage/results.h b/src/solver/variable/include/antares/solver/variable/storage/results.h
index e699d563e4..ddb809ce85 100644
--- a/src/solver/variable/include/antares/solver/variable/storage/results.h
+++ b/src/solver/variable/include/antares/solver/variable/storage/results.h
@@ -91,11 +91,6 @@ class Results: public FirstDecoratorT
         DecoratorType::template buildDigest<VCardT>(results, digestLevel, dataLevel);
     }
 
-    uint64_t memoryUsage() const
-    {
-        return DecoratorType::memoryUsage();
-    }
-
     Antares::Memory::Stored<double>::ConstReturnType hourlyValuesForSpatialAggregate() const
     {
         return DecoratorType::template hourlyValuesForSpatialAggregate<
diff --git a/src/solver/variable/include/antares/solver/variable/storage/stdDeviation.h b/src/solver/variable/include/antares/solver/variable/storage/stdDeviation.h
index 44159d9cba..ddda4cd3b5 100644
--- a/src/solver/variable/include/antares/solver/variable/storage/stdDeviation.h
+++ b/src/solver/variable/include/antares/solver/variable/storage/stdDeviation.h
@@ -179,11 +179,6 @@ struct StdDeviation: public NextT
                                                         precision);
     }
 
-    uint64_t memoryUsage() const
-    {
-        return sizeof(double) * HOURS_PER_YEAR + NextType::memoryUsage();
-    }
-
     template<template<class, int> class DecoratorT>
     Antares::Memory::Stored<double>::ConstReturnType hourlyValuesForSpatialAggregate() const
     {
diff --git a/src/solver/variable/include/antares/solver/variable/variable.h b/src/solver/variable/include/antares/solver/variable/variable.h
index 279ba9da3d..4e986607d8 100644
--- a/src/solver/variable/include/antares/solver/variable/variable.h
+++ b/src/solver/variable/include/antares/solver/variable/variable.h
@@ -273,13 +273,6 @@ class IVariable: protected NextT
     void beforeYearByYearExport(uint year, uint numSpace);
     //@}
 
-    //! \name Misc
-    //@{
-    /*!
-    ** \brief Get the memory used by this variable and all other in the static list
-    */
-    uint64_t memoryUsage() const;
-
     /*!
     ** \brief "Print" informations about the variable tree
     */
diff --git a/src/solver/variable/include/antares/solver/variable/variable.hxx b/src/solver/variable/include/antares/solver/variable/variable.hxx
index 6b2ba73a55..ee031633f8 100644
--- a/src/solver/variable/include/antares/solver/variable/variable.hxx
+++ b/src/solver/variable/include/antares/solver/variable/variable.hxx
@@ -356,25 +356,6 @@ inline void IVariable<ChildT, NextT, VCardT>::beforeYearByYearExport(uint year,
     NextType::beforeYearByYearExport(year, numspace);
 }
 
-template<class ChildT, class NextT, class VCardT>
-inline uint64_t IVariable<ChildT, NextT, VCardT>::memoryUsage() const
-{
-    uint64_t r = VariableAccessorType::Value(pResults);
-    if (VCardT::columnCount != (int)Category::dynamicColumns)
-    {
-        // Intermediate values
-        if (VCardT::hasIntermediateValues)
-        {
-            for (uint i = 0; i != (uint)VCardT::columnCount; ++i)
-            {
-                r += IntermediateValues::MemoryUsage();
-            }
-        }
-    }
-    r += NextType::memoryUsage();
-    return r;
-}
-
 template<class ChildT, class NextT, class VCardT>
 template<class I>
 inline void IVariable<ChildT, NextT, VCardT>::provideInformations(I& infos)