--- zzzz-none-000/linux-3.10.107/include/net/bluetooth/sco.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/net/bluetooth/sco.h	2021-02-04 17:41:59.000000000 +0000
@@ -27,11 +27,6 @@
 
 /* SCO defaults */
 #define SCO_DEFAULT_MTU		500
-#define SCO_DEFAULT_FLUSH_TO	0xFFFF
-
-#define SCO_CONN_TIMEOUT	(HZ * 40)
-#define SCO_DISCONN_TIMEOUT	(HZ * 2)
-#define SCO_CONN_IDLE_TIMEOUT	(HZ * 60)
 
 /* SCO socket address */
 struct sockaddr_sco {
@@ -51,29 +46,4 @@
 	__u8  dev_class[3];
 };
 
-/* ---- SCO connections ---- */
-struct sco_conn {
-	struct hci_conn	*hcon;
-
-	bdaddr_t	*dst;
-	bdaddr_t	*src;
-
-	spinlock_t	lock;
-	struct sock	*sk;
-
-	unsigned int    mtu;
-};
-
-#define sco_conn_lock(c)	spin_lock(&c->lock);
-#define sco_conn_unlock(c)	spin_unlock(&c->lock);
-
-/* ----- SCO socket info ----- */
-#define sco_pi(sk) ((struct sco_pinfo *) sk)
-
-struct sco_pinfo {
-	struct bt_sock	bt;
-	__u32		flags;
-	struct sco_conn	*conn;
-};
-
 #endif /* __SCO_H */