diff --git a/src/include/lwip/sockets.h b/src/include/lwip/sockets.h
index 11f3bb58..c71bd2b2 100644
--- a/src/include/lwip/sockets.h
+++ b/src/include/lwip/sockets.h
@@ -405,14 +405,14 @@ typedef struct ip_mreq {
 #undef  FD_SETSIZE
 /* Make FD_SETSIZE match NUM_SOCKETS in socket.c */
 #define FD_SETSIZE    MEMP_NUM_NETCONN
-#define FDSETSAFESET(n, p, code) do { \
+#define FDSETSAFESET(n, code) do { \
   if (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0)) { \
   code; }} while(0)
-#define FDSETSAFEGET(n, p, code) (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0) ?\
+#define FDSETSAFEGET(n, code) (((n) - LWIP_SOCKET_OFFSET < MEMP_NUM_NETCONN) && (((int)(n) - LWIP_SOCKET_OFFSET) >= 0) ?\
   (code) : 0)
-#define FD_SET(n, p)  FDSETSAFESET(n, p, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] |=  (1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))
-#define FD_CLR(n, p)  FDSETSAFESET(n, p, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] &= ~(1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))
-#define FD_ISSET(n,p) FDSETSAFEGET(n, p, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] &   (1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))
+#define FD_SET(n, p)  FDSETSAFESET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] |=  (1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))
+#define FD_CLR(n, p)  FDSETSAFESET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] &= ~(1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))
+#define FD_ISSET(n,p) FDSETSAFEGET(n, (p)->fd_bits[((n)-LWIP_SOCKET_OFFSET)/8] &   (1 << (((n)-LWIP_SOCKET_OFFSET) & 7)))
 #define FD_ZERO(p)    memset((void*)(p), 0, sizeof(*(p)))
 
 typedef struct fd_set