diff --git a/libs/ardour/globals.cc b/libs/ardour/globals.cc
index a264a5a6e8..80dcecf02b 100644
--- a/libs/ardour/globals.cc
+++ b/libs/ardour/globals.cc
@@ -918,59 +918,6 @@ ARDOUR::get_available_sync_options ()
 	return ret;
 }
 
-/** Return a monotonic value for the number of microseconds that have elapsed
- * since an arbitrary zero origin.
- */
-
-#ifdef __APPLE__
-#if __MAC_OS_X_VERSION_MAX_ALLOWED < __MAC_10_12
-/* Thanks Apple for not implementing this basic SUSv2, POSIX.1-2001 function
- */
-#include <mach/mach_time.h>
-#define CLOCK_REALTIME 0
-#define CLOCK_MONOTONIC 0
-int
-clock_gettime (int /*clk_id*/, struct timespec* t)
-{
-	static bool                      initialized = false;
-	static mach_timebase_info_data_t timebase;
-	if (!initialized) {
-		mach_timebase_info (&timebase);
-		initialized = true;
-	}
-	uint64_t time;
-	time            = mach_absolute_time ();
-	double nseconds = ((double)time * (double)timebase.numer) / ((double)timebase.denom);
-	double seconds  = ((double)time * (double)timebase.numer) / ((double)timebase.denom * 1e9);
-	t->tv_sec       = seconds;
-	t->tv_nsec      = nseconds;
-	return 0;
-}
-#endif
-#endif
-
-microseconds_t
-ARDOUR::get_microseconds ()
-{
-#ifdef PLATFORM_WINDOWS
-	microseconds_t ret = 0;
-	LARGE_INTEGER  freq, time;
-
-	if (QueryPerformanceFrequency (&freq))
-		if (QueryPerformanceCounter (&time))
-			ret = (microseconds_t) ((time.QuadPart * 1000000) / freq.QuadPart);
-
-	return ret;
-#else
-	struct timespec ts;
-	if (clock_gettime (CLOCK_MONOTONIC, &ts) != 0) {
-		/* EEEK! */
-		return 0;
-	}
-	return (microseconds_t)ts.tv_sec * 1000000 + (ts.tv_nsec / 1000);
-#endif
-}
-
 /** Return the number of bits per sample for a given sample format.
  *
  * This is closely related to sndfile_data_width() but does NOT