diff --git a/01.curriculum/01.physics-chemistry-biology/03.Niv3/04.electromagnetism/03.electrostatic-equilibrium-in-matter/15.electrostatics.dielectrics/02.electrostatics-dielectrics-overview/sonido_ejemplo.mp3 b/01.curriculum/01.physics-chemistry-biology/03.Niv3/04.electromagnetism/03.electrostatic-equilibrium-in-matter/15.electrostatics.dielectrics/02.electrostatics-dielectrics-overview/sonido_ejemplo.mp3
deleted file mode 100644
index 0197f3cc1..000000000
Binary files a/01.curriculum/01.physics-chemistry-biology/03.Niv3/04.electromagnetism/03.electrostatic-equilibrium-in-matter/15.electrostatics.dielectrics/02.electrostatics-dielectrics-overview/sonido_ejemplo.mp3 and /dev/null differ