diff --git a/01.curriculum/01.physics-chemistry-biology/03.niv3/03.wave-optics/topic.en.md b/01.curriculum/01.physics-chemistry-biology/03.niv3/03.wave-optics/topic.en.md
deleted file mode 100644
index 65c9e305f..000000000
--- a/01.curriculum/01.physics-chemistry-biology/03.niv3/03.wave-optics/topic.en.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'Wave Optics'
----
-