diff --git a/Modules/ImageStatisticsUI/Qmitk/QmitkImageStatisticsTreeItem.cpp b/Modules/ImageStatisticsUI/Qmitk/QmitkImageStatisticsTreeItem.cpp
index 0885f66eb4..355cd148ad 100644
--- a/Modules/ImageStatisticsUI/Qmitk/QmitkImageStatisticsTreeItem.cpp
+++ b/Modules/ImageStatisticsUI/Qmitk/QmitkImageStatisticsTreeItem.cpp
@@ -1,106 +1,104 @@
 /*===================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
-#include <QStringList>
-
 #include "QmitkImageStatisticsTreeItem.h"
 
 QmitkImageStatisticsTreeItem::QmitkImageStatisticsTreeItem(
   ImageStatisticsObject statisticsData,
   StatisticNameVector statisticNames,
   QVariant label,
   QmitkImageStatisticsTreeItem *parent)
   : m_statistics(statisticsData) , m_statisticNames(statisticNames), m_label(label), m_parentItem(parent)
 {
 }
 
  QmitkImageStatisticsTreeItem::QmitkImageStatisticsTreeItem(StatisticNameVector statisticNames,
                                                            QVariant label,
                                                            QmitkImageStatisticsTreeItem *parentItem)
   : QmitkImageStatisticsTreeItem(ImageStatisticsObject(), statisticNames, label, parentItem )
 {
 }
 
  QmitkImageStatisticsTreeItem::QmitkImageStatisticsTreeItem() : QmitkImageStatisticsTreeItem(StatisticNameVector(), QVariant(), nullptr ) {}
 
 QmitkImageStatisticsTreeItem::~QmitkImageStatisticsTreeItem()
 {
   qDeleteAll(m_childItems);
 }
 
 void QmitkImageStatisticsTreeItem::appendChild(QmitkImageStatisticsTreeItem *item)
 {
   m_childItems.append(item);
 }
 
 QmitkImageStatisticsTreeItem *QmitkImageStatisticsTreeItem::child(int row)
 {
   return m_childItems.value(row);
 }
 
 int QmitkImageStatisticsTreeItem::childCount() const
 {
   return m_childItems.count();
 }
 
 int QmitkImageStatisticsTreeItem::columnCount() const
 {
   return m_statisticNames.size() + 1;
 }
 
 QVariant QmitkImageStatisticsTreeItem::data(int column) const
 {
   QVariant result;
   if (column > 0 && !m_statisticNames.empty())
   {
     if (column - 1 < m_statisticNames.size())
     {
       auto statisticKey = m_statisticNames.at(column - 1);
       std::stringstream ss;
       if (m_statistics.HasStatistic(statisticKey))
       {
         ss << m_statistics.GetValueNonConverted(statisticKey);
       }
       else
       {
         return QVariant();
       }
       result = QVariant(QString::fromStdString(ss.str()));
     }
     else
     {
       return QVariant();
     }
   }
   else if (column == 0)
   {
     result = m_label;
   }
   return result;
 }
 
 QmitkImageStatisticsTreeItem *QmitkImageStatisticsTreeItem::parentItem()
 {
   return m_parentItem;
 }
 
 int QmitkImageStatisticsTreeItem::row() const
 {
   if (m_parentItem)
     return m_parentItem->m_childItems.indexOf(const_cast<QmitkImageStatisticsTreeItem *>(this));
 
   return 0;
 }