diff --git a/test/bench.c b/test/bench.c
index c92bee3b..1d25076e 100644
--- a/test/bench.c
+++ b/test/bench.c
@@ -41,6 +41,7 @@
 #include <sys/time.h>
 #endif
 #ifdef WIN32
+#define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #else
 #include <sys/socket.h>
diff --git a/test/bench_cascade.c b/test/bench_cascade.c
index fef174fa..908c6170 100644
--- a/test/bench_cascade.c
+++ b/test/bench_cascade.c
@@ -33,6 +33,7 @@
 #include <sys/time.h>
 #endif
 #ifdef WIN32
+#define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #else
 #include <sys/socket.h>