diff --git a/Modules/AlgorithmsExt/mitkUnstructuredGridToUnstructuredGridFilter.cpp b/Modules/AlgorithmsExt/mitkUnstructuredGridToUnstructuredGridFilter.cpp
index 21de9c484d..f42ba6f924 100644
--- a/Modules/AlgorithmsExt/mitkUnstructuredGridToUnstructuredGridFilter.cpp
+++ b/Modules/AlgorithmsExt/mitkUnstructuredGridToUnstructuredGridFilter.cpp
@@ -1,75 +1,62 @@
 /*===================================================================
 
 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 <mitkUnstructuredGridToUnstructuredGridFilter.h>
 
 #include <vtkSmartPointer.h>
 #include <vtkPoints.h>
 #include <vtkUnstructuredGrid.h>
 
 #include <itkImageRegionIterator.h>
 
 #include <mitkImageAccessByItk.h>
 
 
 mitk::UnstructuredGridToUnstructuredGridFilter::UnstructuredGridToUnstructuredGridFilter()
 {
   this->m_UnstructGrid = mitk::UnstructuredGrid::New();
 }
 
 mitk::UnstructuredGridToUnstructuredGridFilter::~UnstructuredGridToUnstructuredGridFilter(){}
 
-void mitk::UnstructuredGridToUnstructuredGridFilter::GenerateData()
-{
-  const mitk::UnstructuredGrid* grid = this->GetInput();
-
-  if(grid == NULL || !grid->IsInitialized())
-  {
-    MITK_ERROR << "Wrong input UnstructuredGrid set" << std::endl;
-    return;
-  }
-
-//  m_UnstructGrid = grid->Clone();
-}
-
 void mitk::UnstructuredGridToUnstructuredGridFilter::SetInput(const mitk::UnstructuredGrid* image)
 {
   this->ProcessObject::SetNthInput(0, const_cast< mitk::UnstructuredGrid* >( image ) );
 }
 
 
 const mitk::UnstructuredGrid* mitk::UnstructuredGridToUnstructuredGridFilter::GetInput(void)
 {
   if (this->GetNumberOfInputs() < 1)
   {
     MITK_ERROR << "No input set" << std::endl;
     return 0;
   }
 
   return static_cast<const mitk::UnstructuredGrid* >( this->ProcessObject::GetInput(0) );
 }
 
 
 void mitk::UnstructuredGridToUnstructuredGridFilter::GenerateOutputInformation()
 {
   mitk::UnstructuredGrid::ConstPointer inputImage = this->GetInput();
 
   m_UnstructGrid = this->GetOutput();
 
   itkDebugMacro(<<"GenerateOutputInformation()");
 
   if(inputImage.IsNull()) return;
 }
diff --git a/Modules/AlgorithmsExt/mitkUnstructuredGridToUnstructuredGridFilter.h b/Modules/AlgorithmsExt/mitkUnstructuredGridToUnstructuredGridFilter.h
index ab4a3b2e79..f50ac1efa1 100644
--- a/Modules/AlgorithmsExt/mitkUnstructuredGridToUnstructuredGridFilter.h
+++ b/Modules/AlgorithmsExt/mitkUnstructuredGridToUnstructuredGridFilter.h
@@ -1,74 +1,71 @@
 /*===================================================================
 
 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 _MITKUNSTRUCTUREDGRIDTOUNSTRUCTUREDGRID_h__
 #define _MITKUNSTRUCTUREDGRIDTOUNSTRUCTUREDGRID_h__
 
 #include <MitkAlgorithmsExtExports.h>
 
 #include <mitkCommon.h>
 
 #include <mitkUnstructuredGrid.h>
 #include <mitkUnstructuredGridSource.h>
 #include <mitkImage.h>
 
 
 namespace mitk {
 
   class MitkAlgorithmsExt_EXPORT UnstructuredGridToUnstructuredGridFilter
       : public UnstructuredGridSource
   {
     public:
 
       mitkClassMacro(UnstructuredGridToUnstructuredGridFilter, UnstructuredGridSource)
       itkFactorylessNewMacro(Self)
       itkCloneMacro(Self)
 
-      /** This method is called by Update(). */
-      virtual void GenerateData();
-
       /** Initializes the output information */
       virtual void GenerateOutputInformation();
 
       /** Returns a const reference to the input image */
       const mitk::UnstructuredGrid* GetInput(void);
 
       /** Set the source grid. As input every mitk unstructured grid can be used. */
       using itk::ProcessObject::SetInput;
       virtual void SetInput(const UnstructuredGrid *image);
 
 
     protected:
 
       /** Constructor */
       UnstructuredGridToUnstructuredGridFilter();
 
       /** Destructor */
       virtual ~UnstructuredGridToUnstructuredGridFilter();
 
 
   private:
 
       /** The output of the filter */
       mitk::UnstructuredGrid::Pointer m_UnstructGrid;
 
   };
 
 } // namespace mitk
 
 #endif //_MITKUNSTRUCTUREDGRIDTOUNSTRUCTUREDGRID_h__