diff --git a/src/AudacityHeaders.h b/src/AudacityHeaders.h
index aacf0ee3f..ca1132480 100644
--- a/src/AudacityHeaders.h
+++ b/src/AudacityHeaders.h
@@ -24,6 +24,9 @@
 #include <string.h>
 #include <math.h>
 
+
+
+
 #include <wx/wx.h>
 #include <wx/bitmap.h>
 #include <wx/filedlg.h>
@@ -76,11 +79,9 @@
 //    #include <wx/msw/msvcrt.h>      // redefines the new() operator 
 //#endif
 
-#if 0
-#define _DEBUG
+#if __WXMSW__
 #ifdef _DEBUG
 #define _CRTDBG_MAP_ALLOC
-#include <stdlib.h>
 #include <crtdbg.h>
 #define DEBUG_NEW new(_NORMAL_BLOCK, __FILE__, __LINE__)
 #define new DEBUG_NEW