diff --git a/docs/lib-shape_trapezium.md b/docs/lib-shape_trapezium.md
index bc82274c..0ae16027 100644
--- a/docs/lib-shape_trapezium.md
+++ b/docs/lib-shape_trapezium.md
@@ -24,7 +24,6 @@ Returns shape points of an isosceles trapezoid. They can be used with xxx_extrud
 	include <shape_trapezium.scad>;
 	include <rotate_p.scad>;
 	include <polysections.scad>;
-    include <m_rotation.scad>;
 	include <path_extrude.scad>;
 	include <bezier_curve.scad>;