diff --git a/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/topic.en.md b/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/topic.en.md
index ec3e84715..45160a616 100644
--- a/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/topic.en.md
+++ b/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/topic.en.md
@@ -1,7 +1,8 @@
 ---
 title: 'Geometrical Optics'
 slug: geometrical-optics
-published: true
-visible: true
+published: false
+routable: false
+visible: false
 ---