diff --git a/12.temporary_ins/06.geometry-coordinates/10.n1/10.main/textbook.fr.md b/12.temporary_ins/06.geometry-coordinates/10.n1/10.main/textbook.fr.md
index 93a089f6c..761f65486 100644
--- a/12.temporary_ins/06.geometry-coordinates/10.n1/10.main/textbook.fr.md
+++ b/12.temporary_ins/06.geometry-coordinates/10.n1/10.main/textbook.fr.md
@@ -8,8 +8,6 @@ lessons:
      order: 1
    - slug: geometry-coordinates-1-linear
      order: 1
-   - slug: geometry-coordinates-1-parallel
-     order: 2
 ---
 
 ### Géométrie et coordonnées niveau 1 : main