diff --git a/12.temporary_ins/06.geometry-coordinates/40.n4/10.main/textbook.fr.md b/12.temporary_ins/06.geometry-coordinates/40.n4/10.main/textbook.fr.md
index c6f76eeb0..c25fb46e1 100644
--- a/12.temporary_ins/06.geometry-coordinates/40.n4/10.main/textbook.fr.md
+++ b/12.temporary_ins/06.geometry-coordinates/40.n4/10.main/textbook.fr.md
@@ -8,8 +8,6 @@ lessons:
      order: 3
    - slug: geometry-coordinates-4-linear
      order: 1
-   - slug: geometry-coordinates-4-parallel
-     order: 2
 ---
 
 ### Géométrie et coordonnées niveau 4 : main
\ No newline at end of file