Update lib/common/udp_tunnel.c
@@ -189,7 +189,6 @@ h2o_tunnel_t *h2o_open_udp_tunnel_from_sa(h2o_loop_t *loop, struct sockaddr *add
.destroy = tunnel_on_destroy,
.write_ = tunnel_on_write,
.proceed_read = tunnel_proceed_read,
- .on_read = NULL,
},
.len = len,
.loop = loop,
