#include <cpPlugins/Interface/cpPlugins_Interface_Export.h>
#include <cpPlugins/Interface/DataObject.h>
-#include <itkSpatialObject.h>
-
-#include <vtkSmartPointer.h>
-#include <vtkImplicitFunction.h>
+// Sompe forward declarations
+class vtkImplicitFunction;
namespace cpPlugins
{