diff --git a/gui/include/Visualization/IVisualizationWidget.h b/gui/include/Visualization/IVisualizationWidget.h
index 4bbafbb..5713a2a 100644
--- a/gui/include/Visualization/IVisualizationWidget.h
+++ b/gui/include/Visualization/IVisualizationWidget.h
@@ -18,7 +18,6 @@ public:
 
     /// Initializes the plugin
     virtual void accept(IVisualizationWidgetVisitor *visitor) = 0;
-    virtual void close() = 0;
     virtual QString name() const = 0;
 };
 
diff --git a/gui/include/Visualization/VisualizationGraphWidget.h b/gui/include/Visualization/VisualizationGraphWidget.h
index d23cbc5..15b93e9 100644
--- a/gui/include/Visualization/VisualizationGraphWidget.h
+++ b/gui/include/Visualization/VisualizationGraphWidget.h
@@ -27,11 +27,12 @@ public:
     virtual ~VisualizationGraphWidget();
 
     void addVariable(std::shared_ptr<Variable> variable);
+    /// Removes a variable from the graph
+    void removeVariable(std::shared_ptr<Variable> variable) noexcept;
 
     // IVisualizationWidget interface
     void accept(IVisualizationWidgetVisitor *visitor) override;
     bool canDrop(const Variable &variable) const override;
-    void close() override;
     QString name() const override;
 
     void updateDisplay(std::shared_ptr<Variable> variable);
@@ -44,6 +45,8 @@ private:
     spimpl::unique_impl_ptr<VisualizationGraphWidgetPrivate> impl;
 
 private slots:
+    /// Slot called when right clicking on the graph (displays a menu)
+    void onGraphMenuRequested(const QPoint &pos) noexcept;
 
     void onRangeChanged(const QCPRange &t1, const QCPRange &t2);
 
diff --git a/gui/include/Visualization/VisualizationTabWidget.h b/gui/include/Visualization/VisualizationTabWidget.h
index 2adcb91..6c25cc8 100644
--- a/gui/include/Visualization/VisualizationTabWidget.h
+++ b/gui/include/Visualization/VisualizationTabWidget.h
@@ -35,13 +35,9 @@ public:
      */
     VisualizationZoneWidget *createZone(std::shared_ptr<Variable> variable);
 
-    /// Remove a zone
-    void removeZone(VisualizationZoneWidget *zone);
-
     // IVisualizationWidget interface
     void accept(IVisualizationWidgetVisitor *visitor) override;
     bool canDrop(const Variable &variable) const override;
-    void close() override;
     QString name() const override;
 
 private:
diff --git a/gui/include/Visualization/VisualizationWidget.h b/gui/include/Visualization/VisualizationWidget.h
index ca74bdf..2321bbd 100644
--- a/gui/include/Visualization/VisualizationWidget.h
+++ b/gui/include/Visualization/VisualizationWidget.h
@@ -23,19 +23,9 @@ public:
     explicit VisualizationWidget(QWidget *parent = 0);
     virtual ~VisualizationWidget();
 
-    /// Add a zone widget
-    virtual void addTab(VisualizationTabWidget *tabWidget);
-
-    /// Create a tab using a Variable
-    VisualizationTabWidget *createTab();
-
-    /// Remove a tab
-    void removeTab(VisualizationTabWidget *tab);
-
     // IVisualizationWidget interface
     void accept(IVisualizationWidgetVisitor *visitor) override;
     bool canDrop(const Variable &variable) const override;
-    void close() override;
     QString name() const override;
 
 public slots:
diff --git a/gui/include/Visualization/VisualizationZoneWidget.h b/gui/include/Visualization/VisualizationZoneWidget.h
index 9aa4a78..7732a9f 100644
--- a/gui/include/Visualization/VisualizationZoneWidget.h
+++ b/gui/include/Visualization/VisualizationZoneWidget.h
@@ -32,13 +32,9 @@ public:
      */
     VisualizationGraphWidget *createGraph(std::shared_ptr<Variable> variable);
 
-    /// Remove a graph
-    void removeGraph(VisualizationGraphWidget *graph);
-
     // IVisualizationWidget interface
     void accept(IVisualizationWidgetVisitor *visitor) override;
     bool canDrop(const Variable &variable) const override;
-    void close() override;
     QString name() const override;
 
 private:
diff --git a/gui/src/Visualization/VisualizationGraphWidget.cpp b/gui/src/Visualization/VisualizationGraphWidget.cpp
index edd5cd3..444ea46 100644
--- a/gui/src/Visualization/VisualizationGraphWidget.cpp
+++ b/gui/src/Visualization/VisualizationGraphWidget.cpp
@@ -26,8 +26,7 @@ const auto VERTICAL_ZOOM_MODIFIER = Qt::ControlModifier;
 struct VisualizationGraphWidget::VisualizationGraphWidgetPrivate {
 
     // 1 variable -> n qcpplot
-    std::unordered_multimap<std::shared_ptr<Variable>, QCPAbstractPlottable *>
-        m_VariableToPlotMultiMap;
+    std::multimap<std::shared_ptr<Variable>, QCPAbstractPlottable *> m_VariableToPlotMultiMap;
 };
 
 VisualizationGraphWidget::VisualizationGraphWidget(const QString &name, QWidget *parent)
@@ -37,9 +36,12 @@ VisualizationGraphWidget::VisualizationGraphWidget(const QString &name, QWidget 
 {
     ui->setupUi(this);
 
-    // qcpplot title
-    ui->widget->plotLayout()->insertRow(0);
-    ui->widget->plotLayout()->addElement(0, 0, new QCPTextElement{ui->widget, name});
+    ui->graphNameLabel->setText(name);
+
+    // 'Close' options : widget is deleted when closed
+    setAttribute(Qt::WA_DeleteOnClose);
+    connect(ui->closeButton, &QToolButton::clicked, this, &VisualizationGraphWidget::close);
+    ui->closeButton->setIcon(sqpApp->style()->standardIcon(QStyle::SP_TitleBarCloseButton));
 
     // Set qcpplot properties :
     // - Drag (on x-axis) and zoom are enabled
@@ -50,6 +52,11 @@ VisualizationGraphWidget::VisualizationGraphWidget(const QString &name, QWidget 
     connect(ui->widget->xAxis, static_cast<void (QCPAxis::*)(const QCPRange &, const QCPRange &)>(
                                    &QCPAxis::rangeChanged),
             this, &VisualizationGraphWidget::onRangeChanged);
+
+    // Activates menu when right clicking on the graph
+    ui->widget->setContextMenuPolicy(Qt::CustomContextMenu);
+    connect(ui->widget, &QCustomPlot::customContextMenuRequested, this,
+            &VisualizationGraphWidget::onGraphMenuRequested);
 }
 
 
@@ -70,6 +77,21 @@ void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable)
     connect(variable.get(), SIGNAL(dataCacheUpdated()), this, SLOT(onDataCacheVariableUpdated()));
 }
 
+void VisualizationGraphWidget::removeVariable(std::shared_ptr<Variable> variable) noexcept
+{
+    // Each component associated to the variable :
+    // - is removed from qcpplot (which deletes it)
+    // - is no longer referenced in the map
+    auto componentsIt = impl->m_VariableToPlotMultiMap.equal_range(variable);
+    for (auto it = componentsIt.first; it != componentsIt.second;) {
+        ui->widget->removePlottable(it->second);
+        it = impl->m_VariableToPlotMultiMap.erase(it);
+    }
+
+    // Updates graph
+    ui->widget->replot();
+}
+
 void VisualizationGraphWidget::accept(IVisualizationWidgetVisitor *visitor)
 {
     if (visitor) {
@@ -88,19 +110,26 @@ bool VisualizationGraphWidget::canDrop(const Variable &variable) const
     return true;
 }
 
-void VisualizationGraphWidget::close()
+QString VisualizationGraphWidget::name() const
 {
-    // The main view cannot be directly closed.
-    return;
+    return ui->graphNameLabel->text();
 }
 
-QString VisualizationGraphWidget::name() const
+void VisualizationGraphWidget::onGraphMenuRequested(const QPoint &pos) noexcept
 {
-    if (auto title = dynamic_cast<QCPTextElement *>(ui->widget->plotLayout()->elementAt(0))) {
-        return title->text();
+    QMenu graphMenu{};
+
+    // Iterates on variables (unique keys)
+    for (auto it = impl->m_VariableToPlotMultiMap.cbegin(),
+              end = impl->m_VariableToPlotMultiMap.cend();
+         it != end; it = impl->m_VariableToPlotMultiMap.upper_bound(it->first)) {
+        // 'Remove variable' action
+        graphMenu.addAction(tr("Remove variable %1").arg(it->first->name()),
+                            [ this, var = it->first ]() { removeVariable(var); });
     }
-    else {
-        return QString{};
+
+    if (!graphMenu.isEmpty()) {
+        graphMenu.exec(mapToGlobal(pos));
     }
 }
 
diff --git a/gui/src/Visualization/VisualizationTabWidget.cpp b/gui/src/Visualization/VisualizationTabWidget.cpp
index 7d68276..8b404dd 100644
--- a/gui/src/Visualization/VisualizationTabWidget.cpp
+++ b/gui/src/Visualization/VisualizationTabWidget.cpp
@@ -36,6 +36,9 @@ VisualizationTabWidget::VisualizationTabWidget(const QString &name, QWidget *par
           impl{spimpl::make_unique_impl<VisualizationTabWidgetPrivate>(name)}
 {
     ui->setupUi(this);
+
+    // Widget is deleted when closed
+    setAttribute(Qt::WA_DeleteOnClose);
 }
 
 VisualizationTabWidget::~VisualizationTabWidget()
@@ -59,10 +62,6 @@ VisualizationZoneWidget *VisualizationTabWidget::createZone(std::shared_ptr<Vari
     return zoneWidget;
 }
 
-void VisualizationTabWidget::removeZone(VisualizationZoneWidget *zone)
-{
-}
-
 void VisualizationTabWidget::accept(IVisualizationWidgetVisitor *visitor)
 {
     if (visitor) {
@@ -93,12 +92,6 @@ bool VisualizationTabWidget::canDrop(const Variable &variable) const
     return true;
 }
 
-void VisualizationTabWidget::close()
-{
-    // The main view cannot be directly closed.
-    return;
-}
-
 QString VisualizationTabWidget::name() const
 {
     return impl->m_Name;
diff --git a/gui/src/Visualization/VisualizationWidget.cpp b/gui/src/Visualization/VisualizationWidget.cpp
index cccc592..8f04c44 100644
--- a/gui/src/Visualization/VisualizationWidget.cpp
+++ b/gui/src/Visualization/VisualizationWidget.cpp
@@ -48,7 +48,13 @@ VisualizationWidget::VisualizationWidget(QWidget *parent)
             enableMinimumCornerWidgetSize(true);
         }
 
+        // Removes widget from tab and closes it
+        auto widget = ui->tabWidget->widget(index);
         ui->tabWidget->removeTab(index);
+        if (widget) {
+            widget->close();
+        }
+
         qCInfo(LOG_VisualizationWidget()) << tr("remove the tab of index %1").arg(index);
 
     };
@@ -67,22 +73,6 @@ VisualizationWidget::~VisualizationWidget()
     delete ui;
 }
 
-void VisualizationWidget::addTab(VisualizationTabWidget *tabWidget)
-{
-    // NOTE: check is this method has to be deleted because of its dupplicated version visible as
-    // lambda function (in the constructor)
-}
-
-VisualizationTabWidget *VisualizationWidget::createTab()
-{
-}
-
-void VisualizationWidget::removeTab(VisualizationTabWidget *tab)
-{
-    // NOTE: check is this method has to be deleted because of its dupplicated version visible as
-    // lambda function (in the constructor)
-}
-
 void VisualizationWidget::accept(IVisualizationWidgetVisitor *visitor)
 {
     if (visitor) {
@@ -111,12 +101,6 @@ bool VisualizationWidget::canDrop(const Variable &variable) const
     return false;
 }
 
-void VisualizationWidget::close()
-{
-    // The main view cannot be directly closed.
-    return;
-}
-
 QString VisualizationWidget::name() const
 {
     return QStringLiteral("MainView");
diff --git a/gui/src/Visualization/VisualizationZoneWidget.cpp b/gui/src/Visualization/VisualizationZoneWidget.cpp
index 0d60830..2a4eb95 100644
--- a/gui/src/Visualization/VisualizationZoneWidget.cpp
+++ b/gui/src/Visualization/VisualizationZoneWidget.cpp
@@ -4,6 +4,8 @@
 
 #include "Visualization/VisualizationGraphWidget.h"
 
+#include <SqpApplication.h>
+
 Q_LOGGING_CATEGORY(LOG_VisualizationZoneWidget, "VisualizationZoneWidget")
 
 namespace {
@@ -30,6 +32,11 @@ VisualizationZoneWidget::VisualizationZoneWidget(const QString &name, QWidget *p
     ui->setupUi(this);
 
     ui->zoneNameLabel->setText(name);
+
+    // 'Close' options : widget is deleted when closed
+    setAttribute(Qt::WA_DeleteOnClose);
+    connect(ui->closeButton, &QToolButton::clicked, this, &VisualizationZoneWidget::close);
+    ui->closeButton->setIcon(sqpApp->style()->standardIcon(QStyle::SP_TitleBarCloseButton));
 }
 
 VisualizationZoneWidget::~VisualizationZoneWidget()
@@ -53,10 +60,6 @@ VisualizationGraphWidget *VisualizationZoneWidget::createGraph(std::shared_ptr<V
     return graphWidget;
 }
 
-void VisualizationZoneWidget::removeGraph(VisualizationGraphWidget *graph)
-{
-}
-
 void VisualizationZoneWidget::accept(IVisualizationWidgetVisitor *visitor)
 {
     if (visitor) {
@@ -88,12 +91,6 @@ bool VisualizationZoneWidget::canDrop(const Variable &variable) const
     return true;
 }
 
-void VisualizationZoneWidget::close()
-{
-    // The main view cannot be directly closed.
-    return;
-}
-
 QString VisualizationZoneWidget::name() const
 {
     return ui->zoneNameLabel->text();
diff --git a/gui/ui/Visualization/VisualizationGraphWidget.ui b/gui/ui/Visualization/VisualizationGraphWidget.ui
index bcecbc4..69df1b0 100644
--- a/gui/ui/Visualization/VisualizationGraphWidget.ui
+++ b/gui/ui/Visualization/VisualizationGraphWidget.ui
@@ -15,7 +15,58 @@
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>
-    <widget class="QCustomPlot" name="widget" native="true"/>
+    <widget class="QWidget" name="infobar" native="true">
+     <layout class="QHBoxLayout" name="horizontalLayout_2">
+      <property name="leftMargin">
+       <number>0</number>
+      </property>
+      <property name="topMargin">
+       <number>0</number>
+      </property>
+      <property name="rightMargin">
+       <number>0</number>
+      </property>
+      <property name="bottomMargin">
+       <number>0</number>
+      </property>
+      <item>
+       <widget class="QLabel" name="graphNameLabel">
+        <property name="styleSheet">
+         <string notr="true">font: 75 9pt &quot;MS Shell Dlg 2&quot;;</string>
+        </property>
+        <property name="text">
+         <string>TextLabel</string>
+        </property>
+        <property name="textFormat">
+         <enum>Qt::AutoText</enum>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignCenter</set>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QToolButton" name="closeButton">
+        <property name="styleSheet">
+         <string notr="true">background-color: transparent;</string>
+        </property>
+        <property name="text">
+         <string>Close</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QCustomPlot" name="widget" native="true">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+    </widget>
    </item>
   </layout>
  </widget>
diff --git a/gui/ui/Visualization/VisualizationZoneWidget.ui b/gui/ui/Visualization/VisualizationZoneWidget.ui
index 1c2920e..fe266c5 100644
--- a/gui/ui/Visualization/VisualizationZoneWidget.ui
+++ b/gui/ui/Visualization/VisualizationZoneWidget.ui
@@ -46,6 +46,16 @@
         </property>
        </widget>
       </item>
+      <item>
+       <widget class="QToolButton" name="closeButton">
+        <property name="styleSheet">
+         <string notr="true">background-color: transparent;</string>
+        </property>
+        <property name="text">
+         <string>Close</string>
+        </property>
+       </widget>
+      </item>
      </layout>
     </widget>
    </item>