diff --git a/Plugins/org.mitk.gui.qt.datamanager/src/internal/QmitkDelKeyFilter.cpp b/Plugins/org.mitk.gui.qt.datamanager/src/internal/QmitkDelKeyFilter.cpp
deleted file mode 100644
index 014a465f42..0000000000
--- a/Plugins/org.mitk.gui.qt.datamanager/src/internal/QmitkDelKeyFilter.cpp
+++ /dev/null
@@ -1,44 +0,0 @@
-/*===================================================================
-
-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 "QmitkDelKeyFilter.h"
-
-#include <QKeyEvent>
-#include <src/internal/QmitkDataManagerView.h>
-
-QmitkDelKeyFilter::QmitkDelKeyFilter( QObject* _DataManagerView )
-: QObject(_DataManagerView)
-{
-
-}
-
-bool QmitkDelKeyFilter::eventFilter( QObject *obj, QEvent *event )
-{
-  if (event->type() == QEvent::KeyPress)
-  {
-    QmitkDataManagerView* _DataManagerView = qobject_cast<QmitkDataManagerView*>(this->parent());
-    QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
-    if(keyEvent->key() == Qt::Key_Delete && _DataManagerView)
-    {
-      // trigger deletion of selected node(s)
-      _DataManagerView->ActionRemoveTriggered(false);
-      // return true: this means the delete key event is not send to the table
-      return true;
-    }
-  }
-  // standard event processing
-  return QObject::eventFilter(obj, event);
-}
diff --git a/Plugins/org.mitk.gui.qt.datamanager/src/internal/QmitkDelKeyFilter.h b/Plugins/org.mitk.gui.qt.datamanager/src/internal/QmitkDelKeyFilter.h
deleted file mode 100644
index 5412ab76fc..0000000000
--- a/Plugins/org.mitk.gui.qt.datamanager/src/internal/QmitkDelKeyFilter.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*===================================================================
-
-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.
-
-===================================================================*/
-
-#ifndef QMITKDELKEYFILTER_H_
-#define QMITKDELKEYFILTER_H_
-
-#include <QObject>
-
-///
-/// A small class which "eats" all Del-Key-pressed events on the node table.
-/// When the Del Key is pressed selected nodes should be removed.
-///
-class QmitkDelKeyFilter : public QObject
-{
-  Q_OBJECT
-public:
-  QmitkDelKeyFilter(QObject* _DataManagerView = 0);
-protected:
-  bool eventFilter(QObject *obj, QEvent *event);
-};
-
-#endif // QMITKDELKEYFILTER_H_