diff --git a/tools/test_post_process_props.py b/tools/test_post_process_props.py
index dd5f8ec..236f9ed 100644
--- a/tools/test_post_process_props.py
+++ b/tools/test_post_process_props.py
@@ -258,30 +258,20 @@
       props.put("ro.board.first_api_level","25")
 
       # ro.board.first_api_level must be less than or equal to the sdk version
-      self.assertFalse(validate_and_add_grf_props(props, 20))
-      self.assertTrue(validate_and_add_grf_props(props, 26))
-      # ro.board.api_level is automatically set
-      self.assertEqual(props.get_value("ro.board.api_level"), "25")
+      self.assertFalse(validate_grf_props(props, 20))
+      self.assertTrue(validate_grf_props(props, 26))
+      self.assertTrue(validate_grf_props(props, 35))
 
-      props.get_all_props()[-1].make_as_comment()
-      self.assertTrue(validate_and_add_grf_props(props, 35))
-      # ro.board.api_level is automatically set to the required GRF version
-      self.assertEqual(props.get_value("ro.board.api_level"), "33")
-
-      props.get_all_props()[-1].make_as_comment()
       # manually set ro.board.api_level to an invalid value
       props.put("ro.board.api_level","20")
-      self.assertFalse(validate_and_add_grf_props(props, 26))
+      self.assertFalse(validate_grf_props(props, 26))
 
       props.get_all_props()[-1].make_as_comment()
       # manually set ro.board.api_level to a valid value
       props.put("ro.board.api_level","26")
-      self.assertTrue(validate_and_add_grf_props(props, 26))
+      self.assertTrue(validate_grf_props(props, 26))
       # ro.board.api_level must be less than or equal to the sdk version
-      self.assertFalse(validate_and_add_grf_props(props, 25))
-      # ro.board.api_level must be greater than or equal to the required GRF
-      # version
-      self.assertFalse(validate_and_add_grf_props(props, 30))
+      self.assertFalse(validate_grf_props(props, 25))
 
 if __name__ == '__main__':
     unittest.main(verbosity=2)