diff --git a/test/test_function_grapher.scad b/test/test_function_grapher.scad
index f919cc91..b89a3b68 100644
--- a/test/test_function_grapher.scad
+++ b/test/test_function_grapher.scad
@@ -1,8 +1,5 @@
-include <unittest.scad>;
-include <line3d.scad>;
-include <polyline3d.scad>;
-include <hull_polyline3d.scad>;
-include <function_grapher.scad>;
+use <unittest.scad>;
+use <function_grapher.scad>;
 
 module test_function_grapher_faces(points, faces) {
      pts = [