diff --git a/src/core/MainWindow.cpp b/src/core/MainWindow.cpp
index a33045e5..5b9a733d 100644
--- a/src/core/MainWindow.cpp
+++ b/src/core/MainWindow.cpp
@@ -131,12 +131,9 @@ void MainWindow::initUI()
     connect(ui->actionExtraDisassembly, &QAction::triggered, this, &MainWindow::addExtraDisassembly);
     connect(ui->actionExtraHexdump, &QAction::triggered, this, &MainWindow::addExtraHexdump);
 
-    classNameToConstructorAndActionMap.insert(GraphWidget::getWidgetType(),
-                                              {getNewInstance<GraphWidget>, ui->actionGraph});
-    classNameToConstructorAndActionMap.insert(DisassemblyWidget::getWidgetType(),
-                                              {getNewInstance<DisassemblyWidget>, ui->actionDisassembly});
-    classNameToConstructorAndActionMap.insert(HexdumpWidget::getWidgetType(),
-                                              {getNewInstance<HexdumpWidget>, ui->actionHexdump});
+    widgetTypeToConstructorMap.insert(GraphWidget::getWidgetType(), getNewInstance<GraphWidget>);
+    widgetTypeToConstructorMap.insert(DisassemblyWidget::getWidgetType(), getNewInstance<DisassemblyWidget>);
+    widgetTypeToConstructorMap.insert(HexdumpWidget::getWidgetType(), getNewInstance<HexdumpWidget>);
 
     initToolBar();
     initDocks();
@@ -324,9 +321,8 @@ void MainWindow::initDocks()
         if (std::none_of(dockWidgets.constBegin(), dockWidgets.constEnd(),
                          [&it](QDockWidget *w) { return w->objectName() == it; })) {
             className = it.split(';').at(0);
-            if (classNameToConstructorAndActionMap.contains(className)) {
-                auto widget = classNameToConstructorAndActionMap[className]
-                              .first(this, classNameToConstructorAndActionMap[className].second);
+            if (widgetTypeToConstructorMap.contains(className)) {
+                auto widget = widgetTypeToConstructorMap[className](this, nullptr);
                 widget->setObjectName(it);
                 addExtraWidget(widget);
             }
diff --git a/src/core/MainWindow.h b/src/core/MainWindow.h
index 76fd11b8..8fcfa951 100644
--- a/src/core/MainWindow.h
+++ b/src/core/MainWindow.h
@@ -272,10 +272,9 @@ private:
     bool isOverviewActive();
 
     /**
-     * @brief Map, where key is class name an value is pair of
-     * pointer to class constructor and action that passed to this constructor.
+     * @brief Map from a widget type (e.g. DisassemblyWidget::getWidgetType()) to the respective contructor of the widget
      */
-    QMap<QString, std::pair<std::function<CutterDockWidget*(MainWindow*, QAction*)>, QAction*>> classNameToConstructorAndActionMap;
+    QMap<QString, std::function<CutterDockWidget*(MainWindow*, QAction*)>> widgetTypeToConstructorMap;
 };
 
 #endif // MAINWINDOW_H
diff --git a/src/core/MainWindow.ui b/src/core/MainWindow.ui
index 0f96babe..59de0589 100644
--- a/src/core/MainWindow.ui
+++ b/src/core/MainWindow.ui
@@ -881,14 +881,6 @@
     <string>Tmp</string>
    </property>
   </action>
-  <action name="actionDisassembly">
-   <property name="checkable">
-    <bool>true</bool>
-   </property>
-   <property name="text">
-    <string>Disassembly</string>
-   </property>
-  </action>
   <action name="actionGraph">
    <property name="checkable">
     <bool>true</bool>
@@ -913,14 +905,6 @@
     <string>Pseudocode</string>
    </property>
   </action>
-  <action name="actionHexdump">
-   <property name="checkable">
-    <bool>true</bool>
-   </property>
-   <property name="text">
-    <string>Hexdump</string>
-   </property>
-  </action>
   <action name="actionConsole">
    <property name="checkable">
     <bool>true</bool>