diff --git a/12.temporary_ins/30.electrostatics-dielectric/overview/cheatsheet.fr.md b/12.temporary_ins/30.electrostatics-dielectric/overview/cheatsheet.fr.md
index ac2af6c41..e3c4d1c84 100644
--- a/12.temporary_ins/30.electrostatics-dielectric/overview/cheatsheet.fr.md
+++ b/12.temporary_ins/30.electrostatics-dielectric/overview/cheatsheet.fr.md
@@ -3,9 +3,6 @@ title:
 published: false
 routable: false
 visible: false
-lessons:
-    - slug: 
-      order: 
 ---
 
 !!!! *COURS EN CONSTRUCTION :* <br>