diff --git a/tests/server/util.h b/tests/server/util.h
index 2bcce5c4c8b9b2720993189d6bd89fb0a7af0215..c4521fbaea19e51b7484dfba3e19fc03b5c4ebf7 100644
--- a/tests/server/util.h
+++ b/tests/server/util.h
@@ -46,8 +46,6 @@ void logmsg(const char *msg, ...);
 #define ENOTSOCK     WSAENOTSOCK
 #define ECONNREFUSED WSAECONNREFUSED
 
-static void win32_cleanup(void);
-
 #if defined(ENABLE_IPV6) && defined(__MINGW32__)
 const struct in6_addr in6addr_any = {{ IN6ADDR_ANY_INIT }};
 #endif