diff --git a/12.temporary_ins/06.geometry-coordinates/30.n3/10.main/textbook.fr.md b/12.temporary_ins/06.geometry-coordinates/30.n3/10.main/textbook.fr.md
index 74155c088..bb59e8171 100644
--- a/12.temporary_ins/06.geometry-coordinates/30.n3/10.main/textbook.fr.md
+++ b/12.temporary_ins/06.geometry-coordinates/30.n3/10.main/textbook.fr.md
@@ -10,8 +10,6 @@ lessons:
      order: 2
    - slug: geometry-coordinates-3-linear
      order: 1
-   - slug: geometry-coordinates-3-parallel
-     order: 2
 ---
 
 ### Géométrie et coordonnées niveau 3 : main
\ No newline at end of file