diff --git a/CGALimageIO/demo/CGALimageIO/CMakeLists.txt b/CGALimageIO/demo/CGALimageIO/CMakeLists.txt
index 62a6713b3ee..2d6289b8048 100644
--- a/CGALimageIO/demo/CGALimageIO/CMakeLists.txt
+++ b/CGALimageIO/demo/CGALimageIO/CMakeLists.txt
@@ -29,11 +29,6 @@ if(VTK_FOUND AND WITH_VTK)
   add_definitions(-DCGAL_USE_VTK)
   include(${VTK_USE_FILE})
 
-  set(QT_QMAKE_EXECUTABLE ${VTK_QT_QMAKE_EXECUTABLE} CACHE FILEPATH "")
-  set(QT_MOC_EXECUTABLE ${VTK_QT_MOC_EXECUTABLE} CACHE FILEPATH "")
-  set(QT_UIC_EXECUTABLE ${VTK_QT_UIC_EXECUTABLE} CACHE FILEPATH "")
-  set(DESIRED_QT_VERSION ${VTK_DESIRED_QT_VERSION} CACHE FILEPATH "")
-
   if(VTK_USE_QVTK)
     add_executable( image_to_vtk_viewer image_to_vtk_viewer.cpp)