diff --git a/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/02.geometrical-optics-foundings/02.refractive-index/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/02.geometrical-optics-foundings/02.refractive-index/topic.fr.md
deleted file mode 100644
index 64f782fbb..000000000
--- a/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/02.geometrical-optics-foundings/02.refractive-index/topic.fr.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'Le concept d''indice de réfraction'
----
-