diff --git a/init.el b/init.el
index 17bc070..c2f6dec 100644
--- a/init.el
+++ b/init.el
@@ -187,3 +187,8 @@
 (add-hook 'csharp-mode-hook #'(lambda()
                              (setq compile-command "dotnet run")
                              ))
+;Borrar espacios, tabs y saltos de línea innecesarios al guardar
+(add-hook 'before-save-hook 'kj-delete-trailing-whitespace)
+
+(defun kj-delete-trailing-whitespace ()
+  (delete-trailing-whitespace))