diff --git a/auth-krb5.c b/auth-krb5.c
index d1c5a2f32..a5a81ed2e 100644
--- a/auth-krb5.c
+++ b/auth-krb5.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: auth-krb5.c,v 1.21 2016/01/27 06:44:58 djm Exp $ */
+/* $OpenBSD: auth-krb5.c,v 1.22 2016/05/04 14:22:33 markus Exp $ */
 /*
  *    Kerberos v5 authentication and ticket-passing routines.
  *
@@ -36,7 +36,6 @@
 
 #include "xmalloc.h"
 #include "ssh.h"
-#include "ssh1.h"
 #include "packet.h"
 #include "log.h"
 #include "buffer.h"
diff --git a/ssh1.h b/ssh1.h
index 353d93041..6a05c4724 100644
--- a/ssh1.h
+++ b/ssh1.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh1.h,v 1.6 2006/03/25 22:22:43 djm Exp $ */
+/* $OpenBSD: ssh1.h,v 1.7 2016/05/04 14:22:33 markus Exp $ */
 
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
@@ -22,7 +22,6 @@
 #define SSH_MSG_MIN				1
 #define SSH_MSG_MAX				254
 /* Message name */			/* msg code */	/* arguments */
-#define SSH_MSG_NONE				0	/* no message */
 #define SSH_MSG_DISCONNECT			1	/* cause (string) */
 #define SSH_SMSG_PUBLIC_KEY			2	/* ck,msk,srvk,hostk */
 #define SSH_CMSG_SESSION_KEY			3	/* key (BIGNUM) */
diff --git a/ssh2.h b/ssh2.h
index 5d1918bf8..f2e37c96a 100644
--- a/ssh2.h
+++ b/ssh2.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh2.h,v 1.17 2016/01/14 16:17:40 markus Exp $ */
+/* $OpenBSD: ssh2.h,v 1.18 2016/05/04 14:22:33 markus Exp $ */
 
 /*
  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
@@ -55,6 +55,10 @@
  *     192-255  Local extensions
  */
 
+/* special marker for no message */
+
+#define SSH_MSG_NONE					0
+
 /* ranges */
 
 #define SSH2_MSG_TRANSPORT_MIN				1
diff --git a/ssh_api.c b/ssh_api.c
index acd0b83c1..2a9f1497c 100644
--- a/ssh_api.c
+++ b/ssh_api.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh_api.c,v 1.6 2016/05/02 10:26:04 djm Exp $ */
+/* $OpenBSD: ssh_api.c,v 1.7 2016/05/04 14:22:33 markus Exp $ */
 /*
  * Copyright (c) 2012 Markus Friedl.  All rights reserved.
  *
@@ -17,14 +17,12 @@
 
 #include "includes.h"
 
-#include "ssh1.h" /* For SSH_MSG_NONE */
 #include "ssh_api.h"
 #include "compat.h"
 #include "log.h"
 #include "authfile.h"
 #include "sshkey.h"
 #include "misc.h"
-#include "ssh1.h"
 #include "ssh2.h"
 #include "version.h"
 #include "myproposal.h"
diff --git a/ttymodes.c b/ttymodes.c
index 6f51b8a70..db772c39c 100644
--- a/ttymodes.c
+++ b/ttymodes.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ttymodes.c,v 1.29 2008/11/02 00:16:16 stevesk Exp $ */
+/* $OpenBSD: ttymodes.c,v 1.30 2016/05/04 14:22:33 markus Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -54,7 +54,6 @@
 
 #include "packet.h"
 #include "log.h"
-#include "ssh1.h"
 #include "compat.h"
 #include "buffer.h"