diff --git a/include/lokinet/lokinet_udp.h b/include/lokinet/lokinet_udp.h
index b68e685fb..8f21cb565 100644
--- a/include/lokinet/lokinet_udp.h
+++ b/include/lokinet/lokinet_udp.h
@@ -2,19 +2,6 @@
 
 #include "lokinet_context.h"
 
-#ifdef _WIN32
-extern "C"
-{
-  struct iovec
-  {
-    void* iov_base;
-    size_t iov_len;
-  };
-}
-#else
-#include <sys/uio.h>
-#endif
-
 #ifdef __cplusplus
 extern "C"
 {