diff --git a/01.curriculum/01.physics-chemistry-biology/03.niv3/05.math-tools-for-physics/topic.en.md b/01.curriculum/01.physics-chemistry-biology/03.niv3/05.math-tools-for-physics/topic.en.md
deleted file mode 100644
index 894810607..000000000
--- a/01.curriculum/01.physics-chemistry-biology/03.niv3/05.math-tools-for-physics/topic.en.md
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@@ -1,6 +0,0 @@
----
-title:
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----
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