diff --git a/12.temporary_ins/05.coordinates-systems/20.cartesian-coordinates/20.overview/cheatsheet.en.md b/12.temporary_ins/05.coordinates-systems/20.cartesian-coordinates/20.overview/cheatsheet.en.md
index bf029f3e1..266256395 100644
--- a/12.temporary_ins/05.coordinates-systems/20.cartesian-coordinates/20.overview/cheatsheet.en.md
+++ b/12.temporary_ins/05.coordinates-systems/20.cartesian-coordinates/20.overview/cheatsheet.en.md
@@ -1,7 +1,7 @@
 ---
 title: Cartesian coordinates
 published: true
-routable: true
+routable: false
 visible: false
 lessons:
     - slug: cartesian-cylindrical-spherical-coordinates