diff --git a/examples/maze/regular_polygon_maze.scad b/examples/maze/regular_polygon_maze.scad
index 0cc7a92a..fd278799 100644
--- a/examples/maze/regular_polygon_maze.scad
+++ b/examples/maze/regular_polygon_maze.scad
@@ -1,7 +1,6 @@
 use <line2d.scad>;
 use <hollow_out.scad>;
 use <experimental/mz_blocks.scad>;
-use <experimental/mz_walls.scad>;
 
 // only for creating a small maze