diff --git a/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/03.reflexion-refraction-raytracing/04.reflexion-refraction-overview/02.reflexion-refraction-overview/cheatsheet.fr.md b/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/03.reflexion-refraction-raytracing/04.reflexion-refraction-overview/02.reflexion-refraction-overview/cheatsheet.fr.md
deleted file mode 100644
index 2ed0a02ab..000000000
--- a/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/03.reflexion-refraction-raytracing/04.reflexion-refraction-overview/02.reflexion-refraction-overview/cheatsheet.fr.md
+++ /dev/null
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----
-title: 'nouveau cours : synthèse'
----
-
-nouveau cours : synthèse
\ No newline at end of file