diff --git a/tools/tools/syscall_timing/Makefile b/tools/tools/syscall_timing/Makefile
index 6d87bde582c..2b4accaa247 100644
--- a/tools/tools/syscall_timing/Makefile
+++ b/tools/tools/syscall_timing/Makefile
@@ -6,7 +6,7 @@ PROG=	syscall_timing
 CFLAGS+=	-static -O
 MAN=
 
-LIBADD=	pthread
+#LIBADD=	pthread
 
 WARNS=	6
 
diff --git a/tools/tools/syscall_timing/syscall_timing.c b/tools/tools/syscall_timing/syscall_timing.c
index d64e7a6a0f7..c33ed0ddf66 100644
--- a/tools/tools/syscall_timing/syscall_timing.c
+++ b/tools/tools/syscall_timing/syscall_timing.c
@@ -44,7 +44,9 @@
 #include <fcntl.h>
 #include <inttypes.h>
 #include <limits.h>
+#ifdef WITH_PTHREAD
 #include <pthread.h>
+#endif
 #include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -319,6 +321,7 @@ test_pipeping(uintmax_t num, uintmax_t int_arg, const char *path __unused)
 	return (i);
 }
 
+#ifdef WITH_PTHREAD
 struct pipepingtd_ctx {
 	int		fd;
 	uintmax_t	int_arg;
@@ -375,6 +378,7 @@ test_pipepingtd(uintmax_t num, uintmax_t int_arg, const char *path __unused)
 
 	return (i);
 }
+#endif /* WITH_PTHREAD */
 
 static uintmax_t
 test_socket_stream(uintmax_t num, uintmax_t int_arg, const char *path __unused)
@@ -827,6 +831,7 @@ static const struct test tests[] = {
 	{ "pipeping_10000", test_pipeping, .t_flags = 0, .t_int = 10000 },
 	{ "pipeping_100000", test_pipeping, .t_flags = 0, .t_int = 100000 },
 	{ "pipeping_1000000", test_pipeping, .t_flags = 0, .t_int = 1000000 },
+#ifdef WITH_PTHREAD
 	{ "pipepingtd_1", test_pipepingtd, .t_flags = 0, .t_int = 1 },
 	{ "pipepingtd_10", test_pipepingtd, .t_flags = 0, .t_int = 10 },
 	{ "pipepingtd_100", test_pipepingtd, .t_flags = 0, .t_int = 100 },
@@ -834,6 +839,7 @@ static const struct test tests[] = {
 	{ "pipepingtd_10000", test_pipepingtd, .t_flags = 0, .t_int = 10000 },
 	{ "pipepingtd_100000", test_pipepingtd, .t_flags = 0, .t_int = 100000 },
 	{ "pipepingtd_1000000", test_pipepingtd, .t_flags = 0, .t_int = 1000000 },
+#endif
 	{ "gettimeofday", test_gettimeofday, .t_flags = 0 },
 	{ "getpriority", test_getpriority, .t_flags = 0 },
 	{ "getprogname", test_getprogname, .t_flags = 0 },