diff --git a/libraries/AP_SpdHgtControl/AP_SpdHgtControl.h b/libraries/AP_SpdHgtControl/AP_SpdHgtControl.h
index cff44754ac..c9cf9d87e6 100644
--- a/libraries/AP_SpdHgtControl/AP_SpdHgtControl.h
+++ b/libraries/AP_SpdHgtControl/AP_SpdHgtControl.h
@@ -1,4 +1,5 @@
 // -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: t -*-
+#pragma once
 
 /// @file    AP_SpdHgtControl.h
 /// @brief   generic speed & height controller interface
@@ -10,9 +11,6 @@
   own class.
  */
 
-#ifndef AP_SPDHGTCONTROL_H
-#define AP_SPDHGTCONTROL_H
-
 #include <AP_Common/AP_Common.h>
 #include <AP_Param/AP_Param.h>
 #include <DataFlash/DataFlash.h>
@@ -85,6 +83,3 @@ public:
 	
 
 };
-
-
-#endif // AP_SPDHGTCONTROL_H