diff --git a/test/test_midpt_smooth.scad b/test/test_midpt_smooth.scad
index fd3ecf18..ce5932bb 100644
--- a/test/test_midpt_smooth.scad
+++ b/test/test_midpt_smooth.scad
@@ -1,7 +1,6 @@
-include <unittest.scad>;
-include <shape_taiwan.scad>;
-include <bijection_offset.scad>;
-include <midpt_smooth.scad>;
+use <unittest.scad>;
+use <shape_taiwan.scad>;
+use <midpt_smooth.scad>;
 
 module test_midpt_smooth() {
     echo("==== test_midpt_smooth ====");