diff --git a/spi.hpp b/spi.hpp
index a75d752..e8f7723 100644
--- a/spi.hpp
+++ b/spi.hpp
@@ -1,11 +1,4 @@
-/*
- * Copyright (c) by BlackMark 2016-2017
- * Date 17/09/2017
- * Version 1.4
- */
-
-#ifndef SPI_H
-#define SPI_H
+#pragma once
 
 #include "../inout/inout.h"
 #include <avr/io.h>
@@ -54,8 +47,6 @@ class SPI {
 	static void select(bool bSelect);
 };
 
-#endif
-
 //////////////////////////////////////////////////////////////////////////
 InOutPin SPI::sm_cSCK;
 InOutPin SPI::sm_cMISO;