diff --git a/dlls/wininet/urlcache.c b/dlls/wininet/urlcache.c
index c5755fed263..276132bcc36 100644
--- a/dlls/wininet/urlcache.c
+++ b/dlls/wininet/urlcache.c
@@ -23,7 +23,6 @@
  */
 
 #define NONAMELESSUNION
-#define NONAMELESSSTRUCT
 
 #include "ws2tcpip.h"