diff --git a/sys/compat/sunos32/sunos32_syscall.h b/sys/compat/sunos32/sunos32_syscall.h
index d56268597b37..8ee697c6bbe7 100644
--- a/sys/compat/sunos32/sunos32_syscall.h
+++ b/sys/compat/sunos32/sunos32_syscall.h
@@ -1,10 +1,10 @@
-/* $NetBSD: sunos32_syscall.h,v 1.35 2017/12/19 18:25:53 kamil Exp $ */
+/* $NetBSD: sunos32_syscall.h,v 1.36 2017/12/19 19:19:50 kamil Exp $ */
 
 /*
  * System call numbers.
  *
  * DO NOT EDIT-- this file is automatically generated.
- * created from;	NetBSD: syscalls.master,v 1.23 2017/12/19 08:24:41 kamil Exp
+ * created from;	NetBSD: syscalls.master,v 1.24 2017/12/19 18:25:53 kamil Exp
  */
 
 #ifndef _SUNOS32_SYS_SYSCALL_H_
@@ -161,9 +161,7 @@
 /* syscall: "mmap" ret: "netbsd32_voidp" args: "netbsd32_voidp" "netbsd32_size_t" "int" "int" "int" "netbsd32_long" */
 #define	SUNOS32_SYS_mmap	71
 
-/* syscall: "vadvise" ret: "int" args: "int" */
-#define	SUNOS32_SYS_vadvise	72
-
+				/* 72 is obsolete vadvise */
 /* syscall: "netbsd32_munmap" ret: "int" args: "netbsd32_voidp" "netbsd32_size_t" */
 #define	SUNOS32_SYS_netbsd32_munmap	73
 
diff --git a/sys/compat/sunos32/sunos32_syscallargs.h b/sys/compat/sunos32/sunos32_syscallargs.h
index 62647f7756d3..d2d8203f710e 100644
--- a/sys/compat/sunos32/sunos32_syscallargs.h
+++ b/sys/compat/sunos32/sunos32_syscallargs.h
@@ -1,10 +1,10 @@
-/* $NetBSD: sunos32_syscallargs.h,v 1.34 2017/12/19 18:25:53 kamil Exp $ */
+/* $NetBSD: sunos32_syscallargs.h,v 1.35 2017/12/19 19:19:50 kamil Exp $ */
 
 /*
  * System call argument lists.
  *
  * DO NOT EDIT-- this file is automatically generated.
- * created from;	NetBSD: syscalls.master,v 1.23 2017/12/19 08:24:41 kamil Exp
+ * created from;	NetBSD: syscalls.master,v 1.24 2017/12/19 18:25:53 kamil Exp
  */
 
 #ifndef _SUNOS32_SYS_SYSCALLARGS_H_
@@ -189,8 +189,6 @@ struct sunos32_sys_mmap_args {
 };
 check_syscall_args(sunos32_sys_mmap)
 
-struct netbsd32_ovadvise_args;
-
 struct netbsd32_munmap_args;
 
 struct netbsd32_mprotect_args;
@@ -564,8 +562,6 @@ int	sys_vfork(struct lwp *, const void *, register_t *);
 
 int	sunos32_sys_mmap(struct lwp *, const struct sunos32_sys_mmap_args *, register_t *);
 
-int	netbsd32_ovadvise(struct lwp *, const struct netbsd32_ovadvise_args *, register_t *);
-
 int	netbsd32_munmap(struct lwp *, const struct netbsd32_munmap_args *, register_t *);
 
 int	netbsd32_mprotect(struct lwp *, const struct netbsd32_mprotect_args *, register_t *);
diff --git a/sys/compat/sunos32/sunos32_syscalls.c b/sys/compat/sunos32/sunos32_syscalls.c
index 3b38ccd61dd5..134a8a21baa4 100644
--- a/sys/compat/sunos32/sunos32_syscalls.c
+++ b/sys/compat/sunos32/sunos32_syscalls.c
@@ -1,14 +1,14 @@
-/* $NetBSD: sunos32_syscalls.c,v 1.34 2017/12/19 18:25:53 kamil Exp $ */
+/* $NetBSD: sunos32_syscalls.c,v 1.35 2017/12/19 19:19:50 kamil Exp $ */
 
 /*
  * System call names.
  *
  * DO NOT EDIT-- this file is automatically generated.
- * created from;	NetBSD: syscalls.master,v 1.23 2017/12/19 08:24:41 kamil Exp
+ * created from;	NetBSD: syscalls.master,v 1.24 2017/12/19 18:25:53 kamil Exp
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sunos32_syscalls.c,v 1.34 2017/12/19 18:25:53 kamil Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sunos32_syscalls.c,v 1.35 2017/12/19 19:19:50 kamil Exp $");
 
 #if defined(_KERNEL_OPT)
 #if defined(_KERNEL_OPT)
@@ -104,7 +104,7 @@ const char *const sunos32_syscallnames[] = {
 	/*  69 */	"#69 (obsolete sbrk)",
 	/*  70 */	"#70 (obsolete sstk)",
 	/*  71 */	"mmap",
-	/*  72 */	"vadvise",
+	/*  72 */	"#72 (obsolete vadvise)",
 	/*  73 */	"netbsd32_munmap",
 	/*  74 */	"netbsd32_mprotect",
 	/*  75 */	"netbsd32_madvise",
@@ -377,7 +377,7 @@ const char *const altsunos32_syscallnames[] = {
 	/*  69 */	NULL, /* obsolete sbrk */
 	/*  70 */	NULL, /* obsolete sstk */
 	/*  71 */	NULL, /* mmap */
-	/*  72 */	"ovadvise",
+	/*  72 */	NULL, /* obsolete vadvise */
 	/*  73 */	"munmap",
 	/*  74 */	"mprotect",
 	/*  75 */	"madvise",
diff --git a/sys/compat/sunos32/sunos32_sysent.c b/sys/compat/sunos32/sunos32_sysent.c
index 1566cb514735..2d9fb84bc959 100644
--- a/sys/compat/sunos32/sunos32_sysent.c
+++ b/sys/compat/sunos32/sunos32_sysent.c
@@ -1,14 +1,14 @@
-/* $NetBSD: sunos32_sysent.c,v 1.36 2017/12/19 18:25:53 kamil Exp $ */
+/* $NetBSD: sunos32_sysent.c,v 1.37 2017/12/19 19:19:50 kamil Exp $ */
 
 /*
  * System call switch table.
  *
  * DO NOT EDIT-- this file is automatically generated.
- * created from;	NetBSD: syscalls.master,v 1.23 2017/12/19 08:24:41 kamil Exp
+ * created from;	NetBSD: syscalls.master,v 1.24 2017/12/19 18:25:53 kamil Exp
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sunos32_sysent.c,v 1.36 2017/12/19 18:25:53 kamil Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sunos32_sysent.c,v 1.37 2017/12/19 19:19:50 kamil Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_sysv.h"
@@ -287,9 +287,8 @@ struct sysent sunos32_sysent[] = {
 		.sy_call = (sy_call_t *)sunos32_sys_mmap
 	},		/* 71 = mmap */
 	{
-		ns(struct netbsd32_ovadvise_args),
-		.sy_call = (sy_call_t *)netbsd32_ovadvise
-	},		/* 72 = vadvise */
+		.sy_call = sys_nosys,
+	},		/* 72 = filler */
 	{
 		ns(struct netbsd32_munmap_args),
 		.sy_call = (sy_call_t *)netbsd32_munmap
diff --git a/sys/compat/sunos32/syscalls.master b/sys/compat/sunos32/syscalls.master
index 30667c0f1719..5e14f0b844e1 100644
--- a/sys/compat/sunos32/syscalls.master
+++ b/sys/compat/sunos32/syscalls.master
@@ -1,4 +1,4 @@
-;	$NetBSD: syscalls.master,v 1.24 2017/12/19 18:25:53 kamil Exp $
+;	$NetBSD: syscalls.master,v 1.25 2017/12/19 19:19:50 kamil Exp $
 
 ;	from :NetBSD: syscalls.master,v 1.57 2000/12/09 07:10:36 mycroft Exp
 
@@ -138,7 +138,7 @@
 70	OBSOL		sstk
 71	STD		{ netbsd32_voidp|sunos32_sys||mmap(netbsd32_voidp addr, netbsd32_size_t len, \
 			    int prot, int flags, int fd, netbsd32_long pos); }
-72	NOARGS		{ int|netbsd32||ovadvise(int anom); } vadvise
+72	OBSOL		vadvise
 73	NOARGS		{ int|netbsd32||munmap(netbsd32_voidp addr, netbsd32_size_t len); }
 74	NOARGS		{ int|netbsd32||mprotect(netbsd32_voidp addr, netbsd32_size_t len, \
 			    int prot); }