diff --git a/01.m3p2-curriculum/01.physics-chemistry-biology/03.foothills/01.Geometrical-optics/02.geometrical-optics-foundings/01.concept-ray-of-light/02.concept-ray-of-light-F/OG_rayons_foret.mp3 b/01.m3p2-curriculum/01.physics-chemistry-biology/03.foothills/01.Geometrical-optics/02.geometrical-optics-foundings/01.concept-ray-of-light/02.concept-ray-of-light-F/OG_rayons_foret.mp3
deleted file mode 100644
index 39927ad3b..000000000
Binary files a/01.m3p2-curriculum/01.physics-chemistry-biology/03.foothills/01.Geometrical-optics/02.geometrical-optics-foundings/01.concept-ray-of-light/02.concept-ray-of-light-F/OG_rayons_foret.mp3 and /dev/null differ