diff --git a/01.curriculum/01.physics-chemistry-biology/03.niv3/01.nature-light/topic.en.md b/01.curriculum/01.physics-chemistry-biology/03.niv3/01.nature-light/topic.en.md
deleted file mode 100644
index aeef6371a..000000000
--- a/01.curriculum/01.physics-chemistry-biology/03.niv3/01.nature-light/topic.en.md
+++ /dev/null
@@ -1,7 +0,0 @@
----
-title: 'The nature of light'
-slug: nature-light
-published: false
-visible: false
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/03.niv3/01.nature-light/topic.es.md b/01.curriculum/01.physics-chemistry-biology/03.niv3/01.nature-light/topic.es.md
deleted file mode 100644
index c67aab4a1..000000000
--- a/01.curriculum/01.physics-chemistry-biology/03.niv3/01.nature-light/topic.es.md
+++ /dev/null
@@ -1,7 +0,0 @@
----
-title: 'La naturaleza de la luz'
-slug: nature-light
-published: false
-visible: false
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/03.niv3/01.nature-light/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/03.niv3/01.nature-light/topic.fr.md
deleted file mode 100644
index b5a3d2023..000000000
--- a/01.curriculum/01.physics-chemistry-biology/03.niv3/01.nature-light/topic.fr.md
+++ /dev/null
@@ -1,7 +0,0 @@
----
-title: 'La nature de la lumière'
-slug: nature-light
-published: false
-visible: false
----
-