diff --git a/image_expressions_cpp.py b/image_expressions_cpp.py
index 57178fa080feff272ad66327c0ffea2055d445cd..b2c3aa7de0ef3e6a56d79ecb09cd5c3822352ac7 100644
--- a/image_expressions_cpp.py
+++ b/image_expressions_cpp.py
@@ -29,12 +29,10 @@ def get_ExprIm_cpp(
 #include <vtkImageData.h>'''+('''
 #include <vtkImageGradient.h>''')*(im_type=="grad")+'''
 #include <vtkImageInterpolator.h>
-#include <vtkUnstructuredGridReader.h>
 #include <vtkXMLUnstructuredGridReader.h>
 #include <vtkUnstructuredGrid.h>
 #include <vtkProbeFilter.h>
 #include <vtkPointData.h>
-#include <vtkDataArray.h>
 #include <vtkPolyData.h>