diff --git a/include/types/stream_interface.h b/include/types/stream_interface.h
index 49507a4..9d81bbc 100644
--- a/include/types/stream_interface.h
+++ b/include/types/stream_interface.h
@@ -2,7 +2,7 @@
  * include/types/stream_interface.h
  * This file describes the stream_interface struct and associated constants.
  *
- * Copyright (C) 2000-2011 Willy Tarreau - w@1wt.eu
+ * Copyright (C) 2000-2014 Willy Tarreau - w@1wt.eu
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -25,8 +25,6 @@
 #include <stdlib.h>
 #include <sys/socket.h>
 
-#include <types/channel.h>
-#include <types/connection.h>
 #include <types/hlua.h>
 #include <types/obj_type.h>
 #include <common/config.h>
@@ -177,7 +175,6 @@
 	enum si_state prev_state;/* SI_ST*, copy of previous state */
 	unsigned short flags;    /* SI_FL_* */
 	unsigned int exp;       /* wake up time for connect, queue, turn-around, ... */
-	struct channel *ib, *ob; /* input and output buffers */
 	void *owner;            /* generally a (struct task*) */
 	enum obj_type *end;     /* points to the end point (connection or appctx) */
 	struct si_ops *ops;     /* general operations at the stream interface layer */
diff --git a/src/hlua.c b/src/hlua.c
index e899f08..af53cea 100644
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -1915,12 +1915,6 @@
 	socket->s->res.prod = &socket->s->si[1];
 	socket->s->res.cons = &socket->s->si[0];
 
-	socket->s->si[0].ib = &socket->s->req;
-	socket->s->si[0].ob = &socket->s->res;
-
-	socket->s->si[1].ib = &socket->s->res;
-	socket->s->si[1].ob = &socket->s->req;
-
 	socket->s->req.analysers = 0;
 	socket->s->req.rto = socket_proxy.timeout.client;
 	socket->s->req.wto = socket_proxy.timeout.server;
diff --git a/src/peers.c b/src/peers.c
index d16331d..b6f573e 100644
--- a/src/peers.c
+++ b/src/peers.c
@@ -1240,7 +1240,6 @@
 	channel_init(&s->req);
 	s->req.prod = &s->si[0];
 	s->req.cons = &s->si[1];
-	s->si[0].ib = s->si[1].ob = &s->req;
 
 	s->req.flags |= CF_READ_ATTACHED; /* the producer is already connected */
 
@@ -1259,7 +1258,6 @@
 	channel_init(&s->res);
 	s->res.prod = &s->si[1];
 	s->res.cons = &s->si[0];
-	s->si[0].ob = s->si[1].ib = &s->res;
 
 	s->res.rto = s->be->timeout.server;
 	s->res.wto = s->fe->timeout.client;
diff --git a/src/session.c b/src/session.c
index c06e29f..f271e41 100644
--- a/src/session.c
+++ b/src/session.c
@@ -490,7 +490,6 @@
 	channel_init(&s->req);
 	s->req.prod = &s->si[0];
 	s->req.cons = &s->si[1];
-	s->si[0].ib = s->si[1].ob = &s->req;
 	s->req.flags |= CF_READ_ATTACHED; /* the producer is already connected */
 
 	/* activate default analysers enabled for this listener */
@@ -505,7 +504,6 @@
 	channel_init(&s->res);
 	s->res.prod = &s->si[1];
 	s->res.cons = &s->si[0];
-	s->si[0].ob = s->si[1].ib = &s->res;
 	s->res.analysers = 0;
 
 	if (s->fe->options2 & PR_O2_NODELAY) {