diff --git a/CHANGELOG b/CHANGELOG
index 3b6133df..b2c27737 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -42,6 +42,9 @@ HISTORY
 
   ++ Bug fixes:
   
+  2007-03-04 Frédéric Bernon
+  * api_msg.c: Remove some compiler warnings : parameter "pcb" was never referenced.
+
   2007-03-04 Frédéric Bernon
   * api_lib.c: Fix "[patch #5764] api_lib.c cleanup: after patch #5687" (from Dmitry Potapov).
     The api_msg struct stay on the stack (not moved to netconn struct).
diff --git a/src/api/api_msg.c b/src/api/api_msg.c
index b7cf03ba..325bc683 100644
--- a/src/api/api_msg.c
+++ b/src/api/api_msg.c
@@ -76,6 +76,8 @@ recv_udp(void *arg, struct udp_pcb *pcb, struct pbuf *p,
   struct netbuf *buf;
   struct netconn *conn;
 
+  pcb = pcb; // Remove warning
+
   conn = arg;
   
   if (conn == NULL) {
@@ -110,6 +112,8 @@ recv_tcp(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
   struct netconn *conn;
   u16_t len;
   
+  pcb = pcb; // Remove warning
+  
   conn = arg;
 
   if (conn == NULL) {
@@ -140,7 +144,10 @@ poll_tcp(void *arg, struct tcp_pcb *pcb)
 {
   struct netconn *conn;
 
+  pcb = pcb; // Remove warning
+  
   conn = arg;
+
   if (conn != NULL &&
      (conn->state == NETCONN_WRITE || conn->state == NETCONN_CLOSE) &&
      conn->sem != SYS_SEM_NULL) {
@@ -154,7 +161,10 @@ sent_tcp(void *arg, struct tcp_pcb *pcb, u16_t len)
 {
   struct netconn *conn;
 
+  pcb = pcb; // Remove warning
+  
   conn = arg;
+
   if (conn != NULL && conn->sem != SYS_SEM_NULL) {
     sys_sem_signal(conn->sem);
   }
@@ -455,6 +465,8 @@ do_connected(void *arg, struct tcp_pcb *pcb, err_t err)
 {
   struct netconn *conn;
 
+  pcb = pcb; // Remove warning
+  
   conn = arg;
 
   if (conn == NULL) {