diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/aeffacer/textbook.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/aeffacer/textbook.en.md
deleted file mode 100644
index 9160e7e2f..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/aeffacer/textbook.en.md
+++ /dev/null
@@ -1,24 +0,0 @@
----
-title : à effacer
-published: true
-visible: true
----
-
-### Titre
-
-#### Sous-titre
-
-mfjegfz pziehpze ljzhetlze
-go
-
-ozegrotuze
-
-ozegroazeugr
-
-$`\Longrightarrow`$
-
-kghjzefazer
-oegfozegfz
-
-
-igrzeirizefr
\ No newline at end of file