diff --git a/scp.1 b/scp.1
index 4ae877753..0431c7807 100644
--- a/scp.1
+++ b/scp.1
@@ -8,9 +8,9 @@
 .\"
 .\" Created: Sun May  7 00:14:37 1995 ylo
 .\"
-.\" $OpenBSD: scp.1,v 1.71 2016/07/16 06:57:55 jmc Exp $
+.\" $OpenBSD: scp.1,v 1.72 2017/04/30 23:28:12 djm Exp $
 .\"
-.Dd $Mdocdate: July 16 2016 $
+.Dd $Mdocdate: April 30 2017 $
 .Dt SCP 1
 .Os
 .Sh NAME
@@ -19,7 +19,7 @@
 .Sh SYNOPSIS
 .Nm scp
 .Bk -words
-.Op Fl 12346BCpqrv
+.Op Fl 346BCpqrv
 .Op Fl c Ar cipher
 .Op Fl F Ar ssh_config
 .Op Fl i Ar identity_file
@@ -65,14 +65,6 @@ Copies between two remote hosts are also permitted.
 .Pp
 The options are as follows:
 .Bl -tag -width Ds
-.It Fl 1
-Forces
-.Nm
-to use protocol 1.
-.It Fl 2
-Forces
-.Nm
-to use protocol 2.
 .It Fl 3
 Copies between two remote hosts are transferred through the local host.
 Without this option the data is copied directly between the two remote
diff --git a/scp.c b/scp.c
index 3de743e3a..3a651c664 100644
--- a/scp.c
+++ b/scp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: scp.c,v 1.189 2017/04/28 03:21:12 millert Exp $ */
+/* $OpenBSD: scp.c,v 1.190 2017/04/30 23:28:12 djm Exp $ */
 /*
  * scp - secure remote copy.  This is basically patched BSD rcp which
  * uses ssh to do the data transfer (instead of using rcmd).
@@ -404,7 +404,11 @@ main(int argc, char **argv)
 		switch (ch) {
 		/* User-visible flags. */
 		case '1':
+			fatal("SSH protocol v.1 is no longer supported");
+			break;
 		case '2':
+			/* Ignored */
+			break;
 		case '4':
 		case '6':
 		case 'C':
diff --git a/ssh.h b/ssh.h
index 6e27672df..882768c5f 100644
--- a/ssh.h
+++ b/ssh.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh.h,v 1.84 2017/04/30 23:18:44 djm Exp $ */
+/* $OpenBSD: ssh.h,v 1.85 2017/04/30 23:28:12 djm Exp $ */
 
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
@@ -47,7 +47,7 @@
 #define PROTOCOL_MAJOR_1	1
 #define PROTOCOL_MINOR_1	5
 
-/* We support both SSH1 and SSH2 */
+/* We support both SSH2 */
 #define PROTOCOL_MAJOR_2	2
 #define PROTOCOL_MINOR_2	0