diff --git a/sys/netinet/tcp_stacks/rack_bbr_common.c b/sys/netinet/tcp_stacks/rack_bbr_common.c
--- a/sys/netinet/tcp_stacks/rack_bbr_common.c
+++ b/sys/netinet/tcp_stacks/rack_bbr_common.c
@@ -334,13 +334,12 @@
 	 * We process each one by:
 	 * a) saving off the next
 	 * b) stripping off the ether-header
-	 * c) formulating the arguments for
-	 *    the tfb_tcp_hpts_do_segment
-	 * d) calling each mbuf to tfb_tcp_hpts_do_segment
+	 * c) formulating the arguments for tfb_do_segment_nounlock()
+	 * d) calling each mbuf to tfb_do_segment_nounlock()
 	 *    after adjusting the time to match the arrival time.
 	 * Note that the LRO code assures no IP options are present.
 	 *
-	 * The symantics for calling tfb_tcp_hpts_do_segment are the
+	 * The symantics for calling tfb_do_segment_nounlock() are the
 	 * following:
 	 * 1) It returns 0 if all went well and you (the caller) need
 	 *    to release the lock.
diff --git a/sys/netinet/tcp_var.h b/sys/netinet/tcp_var.h
--- a/sys/netinet/tcp_var.h
+++ b/sys/netinet/tcp_var.h
@@ -602,10 +602,6 @@
 			    struct socket *, struct tcpcb *,
 			    int, int, uint8_t,
 			    int, struct timeval *);
-	void	(*tfb_tcp_hpts_do_segment)(struct mbuf *, struct tcphdr *,
-			    struct socket *, struct tcpcb *,
-			    int, int, uint8_t,
-			    int, struct timeval *);
 	int     (*tfb_tcp_ctloutput)(struct inpcb *inp, struct sockopt *sopt);
 	/* Optional memory allocation/free routine */
 	int	(*tfb_tcp_fb_init)(struct tcpcb *, void **);