diff --git a/echrono/Clock.cpp b/echrono/Clock.cpp
index 9edb53a..019ce6c 100644
--- a/echrono/Clock.cpp
+++ b/echrono/Clock.cpp
@@ -1,4 +1,4 @@
-/** @file
+o/** @file
  * @author Edouard DUPIN 
  * @copyright 2016, Edouard DUPIN, all right reserved
  * @license MPL v2.0 (see license file)
diff --git a/echrono/Steady.cpp b/echrono/Steady.cpp
index 34ceaa0..9ac60cd 100644
--- a/echrono/Steady.cpp
+++ b/echrono/Steady.cpp
@@ -18,7 +18,9 @@ static int64_t getTime() {
 		return int64_t(now.tv_sec)*1000000LL + int64_t(now.tv_usec);
 	#elif    defined(__TARGET_OS__Web) \
 	      || defined(__TARGET_OS__Linux) \
-	      || defined(__TARGET_OS__buildroot)
+	      || defined(__TARGET_OS__buildroot) \
+	      || defined(__TARGET_OS__MacOs) \
+	      || defined(__TARGET_OS__IOs)
 		struct timespec now;
 		#ifdef CLOCK_BOOTTIME
 			int ret = clock_gettime(CLOCK_BOOTTIME, &now);
@@ -31,17 +33,6 @@ static int64_t getTime() {
 			now.tv_nsec = 0;
 		}
 		return int64_t(now.tv_sec)*1000000LL + int64_t(now.tv_nsec)/1000LL;
-	#elif    defined(__TARGET_OS__MacOs) \
-	      || defined(__TARGET_OS__IOs)
-		struct timespec now;
-		clock_serv_t cclock;
-		mach_timespec_t mts;
-		host_get_clock_service(mach_host_self(), REALTIME_CLOCK, &cclock);
-		clock_get_time(cclock, &mts);
-		mach_port_deallocate(mach_task_self(), cclock);
-		now.tv_sec = mts.tv_sec;
-		now.tv_nsec = mts.tv_nsec;
-		return int64_t(now.tv_sec)*1000000LL + int64_t(now.tv_nsec)/1000LL;
 	#else
 		#error must be implemented ...
 	#endif
diff --git a/echrono/Time.cpp b/echrono/Time.cpp
index a7cdcb9..cf2ac8f 100644
--- a/echrono/Time.cpp
+++ b/echrono/Time.cpp
@@ -18,7 +18,9 @@ static int64_t getTime() {
 		return int64_t(now.tv_sec)*1000000LL + int64_t(now.tv_usec);
 	#elif    defined(__TARGET_OS__Web) \
 	      || defined(__TARGET_OS__Linux) \
-	      || defined(__TARGET_OS__buildroot)
+	      || defined(__TARGET_OS__buildroot) \
+	      || defined(__TARGET_OS__MacOs) \
+	      || defined(__TARGET_OS__IOs)
 		struct timespec now;
 		int ret = clock_gettime(CLOCK_REALTIME, &now);
 		if (ret != 0) {
@@ -27,17 +29,6 @@ static int64_t getTime() {
 			now.tv_nsec = 0;
 		}
 		return int64_t(now.tv_sec)*1000000LL + int64_t(now.tv_nsec)/1000LL;
-	#elif    defined(__TARGET_OS__MacOs) \
-	      || defined(__TARGET_OS__IOs)
-		struct timespec now;
-		clock_serv_t cclock;
-		mach_timespec_t mts;
-		host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock);
-		clock_get_time(cclock, &mts);
-		mach_port_deallocate(mach_task_self(), cclock);
-		now.tv_sec = mts.tv_sec;
-		now.tv_nsec = mts.tv_nsec;
-		return int64_t(now.tv_sec)*1000000LL + int64_t(now.tv_nsec)/1000LL;
 	#else
 		#error must be implemented ...
 	#endif