diff --git a/Modules/Segmentation/Interactions/mitkSetRegionTool.cpp b/Modules/Segmentation/Interactions/mitkSetRegionTool.cpp
deleted file mode 100644
index 486679ddaf..0000000000
--- a/Modules/Segmentation/Interactions/mitkSetRegionTool.cpp
+++ /dev/null
@@ -1,138 +0,0 @@
-/*============================================================================
-
-The Medical Imaging Interaction Toolkit (MITK)
-
-Copyright (c) German Cancer Research Center (DKFZ)
-All rights reserved.
-
-Use of this source code is governed by a 3-clause BSD license that can be
-found in the LICENSE file.
-
-============================================================================*/
-
-#include "mitkSetRegionTool.h"
-
-#include "mitkToolManager.h"
-
-#include "mitkBaseRenderer.h"
-
-#include <mitkITKImageImport.h>
-#include <mitkImageToContourModelFilter.h>
-
-#include <itkBinaryFillholeImageFilter.h>
-#include <itkConnectedThresholdImageFilter.h>
-
-mitk::SetRegionTool::SetRegionTool(int paintingPixelValue)
-  : FeedbackContourTool("PressMoveRelease"), m_PaintingPixelValue(paintingPixelValue)
-{
-}
-
-mitk::SetRegionTool::~SetRegionTool()
-{
-}
-
-void mitk::SetRegionTool::ConnectActionsAndFunctions()
-{
-  CONNECT_FUNCTION("PrimaryButtonPressed", OnMousePressed);
-  CONNECT_FUNCTION("Release", OnMouseReleased);
-  CONNECT_FUNCTION("Move", OnMouseMoved);
-}
-
-void mitk::SetRegionTool::Activated()
-{
-  Superclass::Activated();
-}
-
-void mitk::SetRegionTool::Deactivated()
-{
-  Superclass::Deactivated();
-}
-
-void mitk::SetRegionTool::OnMousePressed(StateMachineAction *, InteractionEvent *interactionEvent)
-{
-  auto *positionEvent = dynamic_cast<mitk::InteractionPositionEvent *>(interactionEvent);
-  if (!positionEvent)
-    return;
-
-  m_LastEventSender = positionEvent->GetSender();
-  m_LastEventSlice = m_LastEventSender->GetSlice();
-
-  // 1. Get the working image
-  Image::Pointer workingSlice = FeedbackContourTool::GetAffectedWorkingSlice(positionEvent);
-  if (workingSlice.IsNull())
-    return; // can't do anything without the segmentation
-
-  // if click was outside the image, don't continue
-  const BaseGeometry *sliceGeometry = workingSlice->GetGeometry();
-  itk::Index<3> projectedPointIn2D;
-  sliceGeometry->WorldToIndex(positionEvent->GetPositionInWorld(), projectedPointIn2D);
-  if (!sliceGeometry->IsIndexInside(projectedPointIn2D))
-  {
-    MITK_WARN << "Point outside of segmentation slice." << std::endl;
-    return; // can't use that as a seed point
-  }
-
-  typedef itk::Image<DefaultSegmentationDataType, 2> InputImageType;
-  typedef InputImageType::IndexType IndexType;
-  typedef itk::ConnectedThresholdImageFilter<InputImageType, InputImageType> RegionGrowingFilterType;
-  RegionGrowingFilterType::Pointer regionGrower = RegionGrowingFilterType::New();
-
-  // convert world coordinates to image indices
-  IndexType seedIndex;
-  sliceGeometry->WorldToIndex(positionEvent->GetPositionInWorld(), seedIndex);
-
-  // perform region growing in desired segmented region
-  InputImageType::Pointer itkImage = InputImageType::New();
-  CastToItkImage(workingSlice, itkImage);
-  regionGrower->SetInput(itkImage);
-  regionGrower->AddSeed(seedIndex);
-
-  InputImageType::PixelType bound = itkImage->GetPixel(seedIndex);
-
-  regionGrower->SetLower(bound);
-  regionGrower->SetUpper(bound);
-  regionGrower->SetReplaceValue(1);
-
-  itk::BinaryFillholeImageFilter<InputImageType>::Pointer fillHolesFilter =
-    itk::BinaryFillholeImageFilter<InputImageType>::New();
-
-  fillHolesFilter->SetInput(regionGrower->GetOutput());
-  fillHolesFilter->SetForegroundValue(1);
-
-  // Store result and preview
-  mitk::Image::Pointer resultImage = mitk::GrabItkImageMemory(fillHolesFilter->GetOutput());
-  resultImage->SetGeometry(workingSlice->GetGeometry());
-  // Get the current working color
-  DataNode *workingNode(this->GetToolManager()->GetWorkingData(0));
-  if (!workingNode)
-    return;
-
-  mitk::ImageToContourModelFilter::Pointer contourextractor = mitk::ImageToContourModelFilter::New();
-  contourextractor->SetInput(resultImage);
-  contourextractor->Update();
-
-  mitk::ContourModel::Pointer awesomeContour = contourextractor->GetOutput();
-
-  this->UpdateCurrentFeedbackContour(awesomeContour);
-
-  FeedbackContourTool::SetFeedbackContourVisible(true);
-  mitk::RenderingManager::GetInstance()->RequestUpdate(positionEvent->GetSender()->GetRenderWindow());
-}
-
-void mitk::SetRegionTool::OnMouseReleased(StateMachineAction *, InteractionEvent *interactionEvent)
-{
-  auto *positionEvent = dynamic_cast<mitk::InteractionPositionEvent *>(interactionEvent);
-  if (!positionEvent)
-    return;
-
-  assert(positionEvent->GetSender()->GetRenderWindow());
-  // 1. Hide the feedback contour, find out which slice the user clicked, find out which slice of the toolmanager's
-  // working image corresponds to that
-  mitk::RenderingManager::GetInstance()->RequestUpdate(positionEvent->GetSender()->GetRenderWindow());
-
-  this->WriteBackFeedbackContourAsSegmentationResult(positionEvent, m_PaintingPixelValue);
-}
-
-void mitk::SetRegionTool::OnMouseMoved(mitk::StateMachineAction *, mitk::InteractionEvent *)
-{
-}
diff --git a/Modules/Segmentation/Interactions/mitkSetRegionTool.h b/Modules/Segmentation/Interactions/mitkSetRegionTool.h
deleted file mode 100644
index 9fab9b8030..0000000000
--- a/Modules/Segmentation/Interactions/mitkSetRegionTool.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/*============================================================================
-
-The Medical Imaging Interaction Toolkit (MITK)
-
-Copyright (c) German Cancer Research Center (DKFZ)
-All rights reserved.
-
-Use of this source code is governed by a 3-clause BSD license that can be
-found in the LICENSE file.
-
-============================================================================*/
-
-#ifndef mitkSetRegionTool_h_Included
-#define mitkSetRegionTool_h_Included
-
-#include "mitkCommon.h"
-#include "mitkFeedbackContourTool.h"
-#include <MitkSegmentationExports.h>
-
-namespace mitk
-{
-  class Image;
-  class StateMachineAction;
-  class InteractionEvent;
-  /**
-    \brief Fills or erases a 2D region
-
-    \sa FeedbackContourTool
-    \sa ExtractImageFilter
-
-    \ingroup Interactions
-
-    Finds the outer contour of a shape in 2D (possibly including holes or single patches) and sets all
-    the inside pixels to a specified value. This might fill holes or erase segmentations.
-
-    \warning Only to be instantiated by mitk::ToolManager.
-  */
-  class MITKSEGMENTATION_EXPORT SetRegionTool : public FeedbackContourTool
-  {
-  public:
-    mitkClassMacro(SetRegionTool, FeedbackContourTool);
-
-  protected:
-    SetRegionTool(int paintingPixelValue = 1); // purposely hidden
-    ~SetRegionTool() override;
-
-    void ConnectActionsAndFunctions() override;
-
-    void Activated() override;
-    void Deactivated() override;
-
-    virtual void OnMousePressed(StateMachineAction *, InteractionEvent *);
-    virtual void OnMouseReleased(StateMachineAction *, InteractionEvent *);
-    virtual void OnMouseMoved(StateMachineAction *, InteractionEvent *);
-    int m_PaintingPixelValue;
-  };
-
-} // namespace
-
-#endif
diff --git a/Modules/Segmentation/files.cmake b/Modules/Segmentation/files.cmake
index 7a0697d090..844e5b6a38 100644
--- a/Modules/Segmentation/files.cmake
+++ b/Modules/Segmentation/files.cmake
@@ -1,111 +1,110 @@
 set(CPP_FILES
   Algorithms/mitkCalculateSegmentationVolume.cpp
   Algorithms/mitkContourModelSetToImageFilter.cpp
   Algorithms/mitkContourSetToPointSetFilter.cpp
   Algorithms/mitkContourUtils.cpp
   Algorithms/mitkCorrectorAlgorithm.cpp
   Algorithms/mitkDiffImageApplier.cpp
   Algorithms/mitkDiffSliceOperation.cpp
   Algorithms/mitkDiffSliceOperationApplier.cpp
   Algorithms/mitkFeatureBasedEdgeDetectionFilter.cpp
   Algorithms/mitkImageLiveWireContourModelFilter.cpp
   Algorithms/mitkImageToContourFilter.cpp
   #Algorithms/mitkImageToContourModelFilter.cpp
   Algorithms/mitkImageToLiveWireContourFilter.cpp
   Algorithms/mitkManualSegmentationToSurfaceFilter.cpp
   Algorithms/mitkOtsuSegmentationFilter.cpp
   Algorithms/mitkSegmentationHelper.cpp
   Algorithms/mitkSegmentationObjectFactory.cpp
   Algorithms/mitkShapeBasedInterpolationAlgorithm.cpp
   Algorithms/mitkShowSegmentationAsSmoothedSurface.cpp
   Algorithms/mitkShowSegmentationAsSurface.cpp
   Algorithms/mitkVtkImageOverwrite.cpp
   Controllers/mitkSegmentationInterpolationController.cpp
   Controllers/mitkToolManager.cpp
   Controllers/mitkSegmentationModuleActivator.cpp
   Controllers/mitkToolManagerProvider.cpp
   DataManagement/mitkContour.cpp
   DataManagement/mitkContourSet.cpp
   DataManagement/mitkExtrudedContour.cpp
   Interactions/mitkAddContourTool.cpp
   Interactions/mitkAutoCropTool.cpp
   Interactions/mitkSegWithPreviewTool.cpp
   Interactions/mitkBinaryThresholdBaseTool.cpp
   Interactions/mitkBinaryThresholdTool.cpp
   Interactions/mitkBinaryThresholdULTool.cpp
   Interactions/mitkCloseRegionTool.cpp
   Interactions/mitkContourModelInteractor.cpp
   Interactions/mitkContourModelLiveWireInteractor.cpp
   Interactions/mitkEditableContourTool.cpp
   Interactions/mitkLiveWireTool2D.cpp
   Interactions/mitkLassoTool.cpp
   Interactions/mitkContourTool.cpp
   Interactions/mitkDrawPaintbrushTool.cpp
   Interactions/mitkErasePaintbrushTool.cpp
   Interactions/mitkEraseRegionTool.cpp
   Interactions/mitkFeedbackContourTool.cpp
   Interactions/mitkFillRegionBaseTool.cpp
   Interactions/mitkFillRegionTool.cpp
   Interactions/mitkOtsuTool3D.cpp
   Interactions/mitkPaintbrushTool.cpp
   Interactions/mitkRegionGrowingTool.cpp
   Interactions/mitkSegmentationsProcessingTool.cpp
-  Interactions/mitkSetRegionTool.cpp
   Interactions/mitkSegTool2D.cpp
   Interactions/mitkSubtractContourTool.cpp
   Interactions/mitkTool.cpp
   Interactions/mitkToolCommand.cpp
   Interactions/mitkPickingTool.cpp
   Interactions/mitknnUnetTool.cpp
   Interactions/mitkSegmentationInteractor.cpp #SO
   Interactions/mitkProcessExecutor.cpp
   Rendering/mitkContourMapper2D.cpp
   Rendering/mitkContourSetMapper2D.cpp
   Rendering/mitkContourSetVtkMapper3D.cpp
   Rendering/mitkContourVtkMapper3D.cpp
   SegmentationUtilities/BooleanOperations/mitkBooleanOperation.cpp
   SegmentationUtilities/MorphologicalOperations/mitkMorphologicalOperations.cpp
 #Added from ML
   Controllers/mitkSliceBasedInterpolationController.cpp
   Algorithms/mitkSurfaceStampImageFilter.cpp
 )
 
 set(RESOURCE_FILES
   Add_48x48.png
   Add_Cursor_32x32.png
   AI_48x48.png
   AI_Cursor_32x32.png
   Erase_48x48.png
   Erase_Cursor_32x32.png
   Fill_48x48.png
   Fill_Cursor_32x32.png
   LiveWire_48x48.png
   LiveWire_Cursor_32x32.png
   NewAdd_48x48.png
   NewAdd_Cursor_32x32.png
   Otsu_48x48.png
   Paint_48x48.png
   Paint_Cursor_32x32.png
   Pick_48x48.png
   RegionGrowing_48x48.png
   RegionGrowing_Cursor_32x32.png
   Subtract_48x48.png
   Subtract_Cursor_32x32.png
   Threshold_48x48.png
   TwoThresholds_48x48.png
   Wipe_48x48.png
   Wipe_Cursor_32x32.png
 
   Interactions/dummy.xml
   Interactions/EditableContourTool.xml
   Interactions/PickingTool.xml
   Interactions/MouseReleaseOnly.xml
   Interactions/PressMoveRelease.xml
   Interactions/PressMoveReleaseAndPointSetting.xml
   Interactions/PressMoveReleaseWithCTRLInversion.xml
   Interactions/PressMoveReleaseWithCTRLInversionAllMouseMoves.xml
   Interactions/SegmentationToolsConfig.xml
 
   Interactions/ContourModelModificationConfig.xml
   Interactions/ContourModelModificationInteractor.xml
 )