diff --git a/00.brainstorming-pedagogical-teams/99.new-propositions/20.sets-systems/10.n1/20.overview/cheatsheet.fr.md b/00.brainstorming-pedagogical-teams/99.new-propositions/20.sets-systems/10.n1/20.overview/cheatsheet.fr.md
index d07d58018..1b9c9c341 100644
--- a/00.brainstorming-pedagogical-teams/99.new-propositions/20.sets-systems/10.n1/20.overview/cheatsheet.fr.md
+++ b/00.brainstorming-pedagogical-teams/99.new-propositions/20.sets-systems/10.n1/20.overview/cheatsheet.fr.md
@@ -6,8 +6,6 @@ visible: false
 lessons: 
    - slug: set-systems-g12-overview-panorama
      order: 2
-   - slug: set-systems-234-overview-panorama
-     order: 1
 ---
 
 #### Tests écran smartphone de lisibilité figures