diff --git a/sdk/lib/comsupp/comsupp.cpp b/sdk/lib/comsupp/comsupp.cpp
index a3e096496d9..d84c688f568 100644
--- a/sdk/lib/comsupp/comsupp.cpp
+++ b/sdk/lib/comsupp/comsupp.cpp
@@ -9,6 +9,7 @@
 #include <stdarg.h>
 
 #define WIN32_NO_STATUS
+#define WIN32_LEAN_AND_MEAN
 #define _INC_WINDOWS
 
 #include <windef.h>