diff --git a/include/sys/syscall_lookup.h b/include/sys/syscall_lookup.h
index 63bfb57b1cd..dd42e41b795 100644
--- a/include/sys/syscall_lookup.h
+++ b/include/sys/syscall_lookup.h
@@ -170,7 +170,8 @@ SYSCALL_LOOKUP(clock_nanosleep,            4)
 SYSCALL_LOOKUP(clock,                      0)
 SYSCALL_LOOKUP(clock_gettime,              2)
 SYSCALL_LOOKUP(clock_settime,              2)
-#ifdef CONFIG_CLOCK_TIMEKEEPING
+#ifdef CONFIG_CLOCK_ADJTIME
+  SYSCALL_LOOKUP(clock_adjtime,            2)
   SYSCALL_LOOKUP(adjtime,                  2)
 #endif
 
diff --git a/include/sys/time.h b/include/sys/time.h
index 794293dc43c..4c09536072c 100644
--- a/include/sys/time.h
+++ b/include/sys/time.h
@@ -253,7 +253,7 @@ int settimeofday(FAR const struct timeval *tv,
  *
  ****************************************************************************/
 
-#if defined(CONFIG_CLOCK_TIMEKEEPING) || defined(CONFIG_CLOCK_ADJTIME)
+#ifdef CONFIG_CLOCK_ADJTIME
 int adjtime(FAR const struct timeval *delta, FAR struct timeval *olddelta);
 #endif
 
diff --git a/syscall/syscall.csv b/syscall/syscall.csv
index 2e3444c1322..3fe9675905d 100644
--- a/syscall/syscall.csv
+++ b/syscall/syscall.csv
@@ -1,7 +1,7 @@
 "_assert","assert.h","","void","FAR const char *","int","FAR const char *","FAR void *"
 "_exit","unistd.h","","noreturn","int"
 "accept4","sys/socket.h","defined(CONFIG_NET)","int","int","FAR struct sockaddr *","FAR socklen_t *","int"
-"adjtime","sys/time.h","defined(CONFIG_CLOCK_TIMEKEEPING)","int","FAR const struct timeval *","FAR struct timeval *"
+"adjtime","sys/time.h","defined(CONFIG_CLOCK_ADJTIME)","int","FAR const struct timeval *","FAR struct timeval *"
 "aio_cancel","aio.h","defined(CONFIG_FS_AIO)","int","int","FAR struct aiocb *"
 "aio_fsync","aio.h","defined(CONFIG_FS_AIO)","int","int","FAR struct aiocb *"
 "aio_read","aio.h","defined(CONFIG_FS_AIO)","int","FAR struct aiocb *"
@@ -12,6 +12,7 @@
 "chown","unistd.h","","int","FAR const char *","uid_t","gid_t"
 "clearenv","stdlib.h","!defined(CONFIG_DISABLE_ENVIRON)","int"
 "clock","time.h","","clock_t"
+"clock_adjtime","sys/timex.h","defined(CONFIG_CLOCK_ADJTIME)","int","clockid_t","struct timex *"
 "clock_gettime","time.h","","int","clockid_t","FAR struct timespec *"
 "clock_nanosleep","time.h","","int","clockid_t","int","FAR const struct timespec *", "FAR struct timespec *"
 "clock_settime","time.h","","int","clockid_t","const struct timespec*"