diff --git a/src/FactSystem/FactSystem.h b/src/FactSystem/FactSystem.h
index 29089ceab3e25f62be9531ac1b39af08d2719113..2ca94973d093286e6792f285f60615c85c00f207 100644
--- a/src/FactSystem/FactSystem.h
+++ b/src/FactSystem/FactSystem.h
@@ -7,12 +7,7 @@
  *
  ****************************************************************************/
 
-
-/// @file
-///     @author Don Gagne <don@thegagnes.com>
-
-#ifndef FACTSYSTEM_H
-#define FACTSYSTEM_H
+#pragma once
 
 #include "Fact.h"
 #include "FactMetaData.h"
@@ -26,7 +21,6 @@ class FactSystem : public QGCTool
     Q_OBJECT
     
 public:
-    /// All access to FactSystem is through FactSystem::instance, so constructor is private
     FactSystem(QGCApplication* app, QGCToolbox* toolbox);
 
     // Override from QGCTool
@@ -41,5 +35,3 @@ public:
 private:
     static const char* _factSystemQmlUri;   ///< URI for FactSystem QML imports
 };
-
-#endif