diff --git a/slirp/misc.c b/slirp/misc.c
index 0308a62fac..0bee864337 100644
--- a/slirp/misc.c
+++ b/slirp/misc.c
@@ -215,7 +215,7 @@ fork_exec(struct socket *so, const char *ex, int do_pty)
                 setsockopt(so->s, SOL_SOCKET, SO_REUSEADDR, (char *)&opt, sizeof(int));
                 opt = 1;
                 setsockopt(so->s, SOL_SOCKET, SO_OOBINLINE, (char *)&opt, sizeof(int));
-		fd_nonblock(so->s);
+		socket_set_nonblock(so->s);
 
 		/* Append the telnet options now */
                 if (so->so_m != NULL && do_pty == 1)  {
@@ -267,50 +267,6 @@ u_sleep(int usec)
 	select(0, &fdset, &fdset, &fdset, &t);
 }
 
-/*
- * Set fd blocking and non-blocking
- */
-
-void
-fd_nonblock(int fd)
-{
-#ifdef FIONBIO
-#ifdef _WIN32
-        unsigned long opt = 1;
-#else
-        int opt = 1;
-#endif
-
-	ioctlsocket(fd, FIONBIO, &opt);
-#else
-	int opt;
-
-	opt = fcntl(fd, F_GETFL, 0);
-	opt |= O_NONBLOCK;
-	fcntl(fd, F_SETFL, opt);
-#endif
-}
-
-void
-fd_block(int fd)
-{
-#ifdef FIONBIO
-#ifdef _WIN32
-        unsigned long opt = 0;
-#else
-	int opt = 0;
-#endif
-
-	ioctlsocket(fd, FIONBIO, &opt);
-#else
-	int opt;
-
-	opt = fcntl(fd, F_GETFL, 0);
-	opt &= ~O_NONBLOCK;
-	fcntl(fd, F_SETFL, opt);
-#endif
-}
-
 void slirp_connection_info(Slirp *slirp, Monitor *mon)
 {
     const char * const tcpstates[] = {
diff --git a/slirp/tcp_subr.c b/slirp/tcp_subr.c
index 6f6585a10f..0a545c41e7 100644
--- a/slirp/tcp_subr.c
+++ b/slirp/tcp_subr.c
@@ -336,7 +336,7 @@ int tcp_fconnect(struct socket *so)
     int opt, s=so->s;
     struct sockaddr_in addr;
 
-    fd_nonblock(s);
+    socket_set_nonblock(s);
     opt = 1;
     setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&opt,sizeof(opt ));
     opt = 1;
@@ -424,7 +424,7 @@ tcp_connect(struct socket *inso)
 		tcp_close(sototcpcb(so)); /* This will sofree() as well */
 		return;
 	}
-	fd_nonblock(s);
+	socket_set_nonblock(s);
 	opt = 1;
 	setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&opt,sizeof(int));
 	opt = 1;