diff --git a/win32/include/_mingw.h b/win32/include/_mingw.h
index 14cd718..87cc600 100644
--- a/win32/include/_mingw.h
+++ b/win32/include/_mingw.h
@@ -126,9 +126,6 @@ typedef struct localeinfo_struct _locale_tstruct,*_locale_t;
 #define NOSERVICE 1
 #define NOMCX 1
 #define NOIME 1
-#ifndef WIN32_LEAN_AND_MEAN
-# define WIN32_LEAN_AND_MEAN 1
-#endif
 #ifndef WINVER
 # define WINVER 0x0502
 #endif
diff --git a/win32/include/winapi/windows.h b/win32/include/winapi/windows.h
index 388d3f6..38c2414 100644
--- a/win32/include/winapi/windows.h
+++ b/win32/include/winapi/windows.h
@@ -6,6 +6,10 @@
 #ifndef _WINDOWS_
 #define _WINDOWS_
 
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN 1
+#endif
+
 #ifndef WINVER
 #define WINVER 0x0502
 #endif