Index: head/sys/netinet/tcp_input.c
===================================================================
--- head/sys/netinet/tcp_input.c
+++ head/sys/netinet/tcp_input.c
@@ -349,8 +349,7 @@
 		}
 #endif /* STATS */
 		if (tp->snd_cwnd > tp->snd_ssthresh) {
-			tp->t_bytes_acked += min(tp->ccv->bytes_this_ack,
-			     nsegs * V_tcp_abc_l_var * tcp_maxseg(tp));
+			tp->t_bytes_acked += tp->ccv->bytes_this_ack;
 			if (tp->t_bytes_acked >= tp->snd_cwnd) {
 				tp->t_bytes_acked -= tp->snd_cwnd;
 				tp->ccv->flags |= CCF_ABC_SENTAWND;
Index: head/sys/netinet/tcp_stacks/rack.c
===================================================================
--- head/sys/netinet/tcp_stacks/rack.c
+++ head/sys/netinet/tcp_stacks/rack.c
@@ -3911,8 +3911,7 @@
 #endif
 	}
 	if (rack->r_ctl.cwnd_to_use > tp->snd_ssthresh) {
-		tp->t_bytes_acked += min(tp->ccv->bytes_this_ack,
-			 nsegs * V_tcp_abc_l_var * ctf_fixed_maxseg(tp));
+		tp->t_bytes_acked += tp->ccv->bytes_this_ack;
 		if (tp->t_bytes_acked >= rack->r_ctl.cwnd_to_use) {
 			tp->t_bytes_acked -= rack->r_ctl.cwnd_to_use;
 			tp->ccv->flags |= CCF_ABC_SENTAWND;