diff --git a/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/02.geometrical-optics-foundings/04.fermat-principle/02.fermat-principle-overview/textbook.es.md b/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/02.geometrical-optics-foundings/04.fermat-principle/02.fermat-principle-overview/textbook.es.md
deleted file mode 100644
index aa7fdda99..000000000
--- a/01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/02.geometrical-optics-foundings/04.fermat-principle/02.fermat-principle-overview/textbook.es.md
+++ /dev/null
@@ -1,6 +0,0 @@
----
-title: 'El principio de Fermat T'
-published: false
-visible: false
----
-