diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
index df8ceb6c..593582b0 100644
--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -322,7 +322,6 @@ void MainWindow::updateActions()
 
     bool showingTreemap = _ui->treemapView->isVisible();
 
-    _ui->actionTreemapAsSidePanel->setEnabled( showingTreemap );
     _ui->actionTreemapZoomIn->setEnabled   ( showingTreemap && _ui->treemapView->canZoomIn() );
     _ui->actionTreemapZoomOut->setEnabled  ( showingTreemap && _ui->treemapView->canZoomOut() );
     _ui->actionResetTreemapZoom->setEnabled( showingTreemap && _ui->treemapView->canZoomOut() );
@@ -339,7 +338,6 @@ void MainWindow::readSettings()
 
     _statusBarTimeout	  = settings.value( "StatusBarTimeoutMillisec", 3000  ).toInt();
     bool showTreemap	  = settings.value( "ShowTreemap"	      , true  ).toBool();
-    bool treemapOnSide	  = settings.value( "TreemapOnSide"	      , false ).toBool();
 
     _verboseSelection	  = settings.value( "VerboseSelection"	      , false ).toBool();
     _urlInWindowTitle	  = settings.value( "UrlInWindowTitle"	      , false ).toBool();
@@ -354,9 +352,6 @@ void MainWindow::readSettings()
     settings.endGroup();
 
     _ui->actionShowTreemap->setChecked( showTreemap );
-    _ui->actionTreemapAsSidePanel->setChecked( treemapOnSide );
-    treemapAsSidePanel();
-
     _ui->actionVerboseSelection->setChecked( _verboseSelection );
 
     foreach ( QAction * action, _layoutActionGroup->actions() )
@@ -395,7 +390,6 @@ void MainWindow::writeSettings()
     settings.beginGroup( "MainWindow" );
 
     settings.setValue( "ShowTreemap"	 , _ui->actionShowTreemap->isChecked() );
-    settings.setValue( "TreemapOnSide"	 , _ui->actionTreemapAsSidePanel->isChecked() );
     settings.setValue( "VerboseSelection", _verboseSelection );
     settings.setValue( "Layout"		 , _layoutName );
 
@@ -428,15 +422,6 @@ void MainWindow::showTreemapView()
 }
 
 
-void MainWindow::treemapAsSidePanel()
-{
-    if ( _ui->actionTreemapAsSidePanel->isChecked() )
-	_ui->mainWinSplitter->setOrientation( Qt::Horizontal );
-    else
-	_ui->mainWinSplitter->setOrientation( Qt::Vertical );
-}
-
-
 void MainWindow::busyDisplay()
 {
     _ui->treemapView->disable();
diff --git a/src/MainWindow.h b/src/MainWindow.h
index 598c5403..c32ebb23 100644
--- a/src/MainWindow.h
+++ b/src/MainWindow.h
@@ -281,12 +281,6 @@ protected slots:
      **/
     void showTreemapView();
 
-    /**
-     * Switch between showing the treemap view beside the file directory
-     * or below it, depending on the corresponding action.
-     **/
-    void treemapAsSidePanel();
-
     /**
      * Notification that a cleanup action was started.
      **/
diff --git a/src/MainWindowMenus.cpp b/src/MainWindowMenus.cpp
index d24df0f5..228b0336 100644
--- a/src/MainWindowMenus.cpp
+++ b/src/MainWindowMenus.cpp
@@ -143,9 +143,6 @@ void MainWindow::connectViewTreemapMenu()
     connect( _ui->actionShowTreemap, SIGNAL( toggled( bool )   ),
 	     this,		     SLOT  ( showTreemapView() ) );
 
-    connect( _ui->actionTreemapAsSidePanel, SIGNAL( toggled( bool )	 ),
-	     this,			    SLOT  ( treemapAsSidePanel() ) );
-
     CONNECT_ACTION( _ui->actionTreemapZoomIn,	 _ui->treemapView, zoomIn()	    );
     CONNECT_ACTION( _ui->actionTreemapZoomOut,	 _ui->treemapView, zoomOut()	    );
     CONNECT_ACTION( _ui->actionResetTreemapZoom, _ui->treemapView, resetZoom()	    );
diff --git a/src/main-window.ui b/src/main-window.ui
index eea65843..38a20715 100644
--- a/src/main-window.ui
+++ b/src/main-window.ui
@@ -155,8 +155,8 @@
           <rect>
            <x>0</x>
            <y>0</y>
-           <width>88</width>
-           <height>282</height>
+           <width>63</width>
+           <height>296</height>
           </rect>
          </property>
         </widget>
@@ -173,7 +173,7 @@
      <x>0</x>
      <y>0</y>
      <width>1157</width>
-     <height>27</height>
+     <height>22</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
@@ -1037,20 +1037,6 @@
     <string>/~https://github.com/shundhammer/qdirstat/blob/master/doc/Troubleshooting.md#cant-move-a-directory-to-trash</string>
    </property>
   </action>
-  <action name="actionTreemapAsSidePanel">
-   <property name="checkable">
-    <bool>true</bool>
-   </property>
-   <property name="checked">
-    <bool>true</bool>
-   </property>
-   <property name="text">
-    <string>&amp;Treemap as side panel</string>
-   </property>
-   <property name="toolTip">
-    <string>Show the Treeemap beside the directory tree, otherwise it will be shown beneath.</string>
-   </property>
-  </action>
   <action name="actionFileAgeStats">
    <property name="text">
     <string>File &amp;Age Statistics</string>