diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 8a972b6ba85f..bc0d4a7ce6ae 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -792,7 +792,9 @@ static int rfcomm_sock_getsockopt(struct socket *sock, int level, int optname, c
 
 static int rfcomm_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 {
+#if defined(CONFIG_BT_RFCOMM_TTY) || defined(CONFIG_BT_RFCOMM_DEBUG)
 	struct sock *sk = sock->sk;
+#endif
 	int err;
 
 	BT_DBG("sk %p cmd %x arg %lx", sk, cmd, arg);