diff --git a/include/proto/connection.h b/include/proto/connection.h
index 31f82b8..028dc23 100644
--- a/include/proto/connection.h
+++ b/include/proto/connection.h
@@ -51,6 +51,8 @@
 int make_proxy_line_v2(char *buf, int buf_len, struct server *srv, struct connection *remote);
 
 int conn_subscribe(struct connection *conn, int event_type, void *param);
+int conn_unsubscribe(struct connection *conn, int event_type, void *param);
+
 /* receive a NetScaler Client IP insertion header over a connection */
 int conn_recv_netscaler_cip(struct connection *conn, int flag);
 
diff --git a/include/types/connection.h b/include/types/connection.h
index 27ae76e..26f9bed 100644
--- a/include/types/connection.h
+++ b/include/types/connection.h
@@ -301,6 +301,7 @@
 	int  (*get_alpn)(const struct connection *conn, const char **str, int *len); /* get application layer name */
 	char name[8];                               /* transport layer name, zero-terminated */
 	int (*subscribe)(struct connection *conn, int event_type, void *param); /* Subscribe to events, such as "being able to send" */
+	int (*unsubscribe)(struct connection *conn, int event_type, void *param); /* Unsubscribe to events */
 };
 
 /* mux_ops describes the mux operations, which are to be performed at the
@@ -325,6 +326,7 @@
 	void (*detach)(struct conn_stream *); /* Detach a conn_stream from an outgoing connection, when the request is done */
 	void (*show_fd)(struct buffer *, struct connection *); /* append some data about connection into chunk for "show fd" */
 	int (*subscribe)(struct conn_stream *cs, int event_type, void *param); /* Subscribe to events, such as "being able to send" */
+	int (*unsubscribe)(struct conn_stream *cs, int event_type, void *param); /* Unsubscribe to events */
 	unsigned int flags;                           /* some flags characterizing the mux's capabilities (MX_FL_*) */
 	char name[8];                                 /* mux layer name, zero-terminated */
 };
@@ -338,7 +340,6 @@
  */
 struct data_cb {
 	int  (*wake)(struct conn_stream *cs);  /* data-layer callback to report activity */
-	int (*subscribe)(struct conn_stream *cs, int event_type, void *param); /* Subscribe to events, such as "being able to send" */
 	char name[8];                           /* data layer name, zero-terminated */
 };