Index: usr.bin/kdump/kdump.c
===================================================================
--- usr.bin/kdump/kdump.c	(revision 263412)
+++ usr.bin/kdump/kdump.c	(working copy)
@@ -1177,14 +1177,6 @@ ktrsyscall(struct ktr_syscall *ktr, u_int flags)
 				ip++;
 				narg--;
 				break;
-			case SYS_thr_create:
-				print_number(ip, narg, c);
-				print_number(ip, narg, c);
-				putchar(',');
-				thrcreateflagsname(*ip);
-				ip++;
-				narg--;
-				break;
 			case SYS_thr_kill:
 				print_number(ip, narg, c);
 				putchar(',');
Index: lib/libc/sys/Symbol.map
===================================================================
--- lib/libc/sys/Symbol.map	(revision 263412)
+++ lib/libc/sys/Symbol.map	(working copy)
@@ -293,7 +293,6 @@ FBSD_1.0 {
 	sync;
 	sysarch;
 	syscall;
-	thr_create;
 	thr_exit;
 	thr_kill;
 	thr_kill2;
@@ -990,8 +989,6 @@ FBSDprivate_1.0 {
 	__sys_sysarch;
 	_syscall;
 	__sys_syscall;
-	_thr_create;
-	__sys_thr_create;
 	_thr_exit;
 	__sys_thr_exit;
 	_thr_kill;
Index: sys/sys/thr.h
===================================================================
--- sys/sys/thr.h	(revision 263412)
+++ sys/sys/thr.h	(working copy)
@@ -70,7 +70,6 @@ typedef __pid_t		pid_t;
 #endif
 
 __BEGIN_DECLS
-int thr_create(ucontext_t *ctx, long *id, int flags);
 int thr_new(struct thr_param *param, int param_size);
 int thr_self(long *id);
 void thr_exit(long *state);
Index: sys/kern/kern_thr.c
===================================================================
--- sys/kern/kern_thr.c	(revision 263412)
+++ sys/kern/kern_thr.c	(working copy)
@@ -98,21 +98,6 @@ static int create_thread(struct thread *td, mconte
  * System call interface.
  */
 int
-sys_thr_create(struct thread *td, struct thr_create_args *uap)
-    /* ucontext_t *ctx, long *id, int flags */
-{
-	ucontext_t ctx;
-	int error;
-
-	if ((error = copyin(uap->ctx, &ctx, sizeof(ctx))))
-		return (error);
-
-	error = create_thread(td, &ctx.uc_mcontext, NULL, NULL,
-		NULL, 0, NULL, uap->id, NULL, uap->flags, NULL);
-	return (error);
-}
-
-int
 sys_thr_new(struct thread *td, struct thr_new_args *uap)
     /* struct thr_param * */
 {
Index: sys/kern/capabilities.conf
===================================================================
--- sys/kern/capabilities.conf	(revision 263412)
+++ sys/kern/capabilities.conf	(working copy)
@@ -702,7 +702,6 @@ sysarch
 ##
 ## Allow thread operations operating only on current process.
 ##
-thr_create
 thr_exit
 thr_kill
 
Index: sys/kern/syscalls.master
===================================================================
--- sys/kern/syscalls.master	(revision 263412)
+++ sys/kern/syscalls.master	(working copy)
@@ -768,8 +768,7 @@
 				    acl_type_t type, struct acl *aclp); }
 429	AUE_SIGWAIT	STD	{ int sigwait(const sigset_t *set, \
 				    int *sig); }
-430	AUE_NULL	STD	{ int thr_create(ucontext_t *ctx, long *id, \
-				    int flags); }
+430	AUE_NULL	UNIMPL	nosys
 431	AUE_NULL	STD	{ void thr_exit(long *state); }
 432	AUE_NULL	STD	{ int thr_self(long *id); }
 433	AUE_NULL	STD	{ int thr_kill(long id, int sig); }
Index: sys/compat/freebsd32/syscalls.master
===================================================================
--- sys/compat/freebsd32/syscalls.master	(revision 263412)
+++ sys/compat/freebsd32/syscalls.master	(working copy)
@@ -771,7 +771,7 @@
 				    acl_type_t type, struct acl *aclp); }
 429	AUE_SIGWAIT	NOPROTO	{ int sigwait(const sigset_t *set, \
 				    int *sig); }
-430	AUE_NULL	UNIMPL	thr_create;
+430	AUE_NULL	UNIMPL	nosys
 431	AUE_NULL	NOPROTO	{ void thr_exit(long *state); }
 432	AUE_NULL	NOPROTO	{ int thr_self(long *id); }
 433	AUE_NULL	NOPROTO	{ int thr_kill(long id, int sig); }