diff --git a/src/endian.h b/src/endian.h
index c8f51d3..bb61522 100644
--- a/src/endian.h
+++ b/src/endian.h
@@ -4,12 +4,10 @@
 #include <stdbool.h>
 #include <stdint.h>
 
-typedef enum udx__endianness udx__endianness_t;
-
-enum udx__endianness {
+typedef enum {
   UDX_LE,
   UDX_BE
-};
+} udx__endianness_t;
 
 udx__endianness_t
 udx__endianness ();
diff --git a/src/io_win.c b/src/io_win.c
index bd1a097..c31da23 100644
--- a/src/io_win.c
+++ b/src/io_win.c
@@ -28,7 +28,7 @@ udx__get_link_mtu (const struct sockaddr *addr) {
     rc = getsockopt(s, IPPROTO_IPV6, IPV6_MTU, (char *) &mtu, &mtu_opt_size);
   }
   if (rc == -1) {
-    close(s);
+    closesocket(s);
     return -1;
   }
 
diff --git a/src/udx.c b/src/udx.c
index f239c4b..ee841f5 100644
--- a/src/udx.c
+++ b/src/udx.c
@@ -2515,6 +2515,7 @@ udx_stream_relay_to (udx_stream_t *stream, udx_stream_t *destination) {
 
 int
 udx_stream_send (udx_stream_send_t *req, udx_stream_t *stream, const uv_buf_t bufs[], unsigned int bufs_len, udx_stream_send_cb cb) {
+  UDX_UNUSED(bufs_len);
 
   if (!(stream->status & UDX_STREAM_CONNECTED)) {
     return UV_ENOTCONN;