diff --git a/3rdparty/baseclasses/wxdebug.h b/3rdparty/baseclasses/wxdebug.h
index 62efffbeec..6877c0b935 100644
--- a/3rdparty/baseclasses/wxdebug.h
+++ b/3rdparty/baseclasses/wxdebug.h
@@ -7,8 +7,7 @@
 //------------------------------------------------------------------------------
 
 
-#ifndef __WXDEBUG__
-#define __WXDEBUG__
+#pragma once
 
 // This library provides fairly straight forward debugging functionality, this
 // is split into two main sections. The first is assertion handling, there are
@@ -352,8 +351,4 @@ public:
 #define AMTRACE(_x_)
 #define AMTRACEFN()
 
-#endif
-
-#endif // __WXDEBUG__
-
-
+#endif
\ No newline at end of file