diff --git a/libs/surfaces/mackie/button.cc b/libs/surfaces/mackie/button.cc
index 8ab3f053c8..8185d8b9fc 100644
--- a/libs/surfaces/mackie/button.cc
+++ b/libs/surfaces/mackie/button.cc
@@ -42,7 +42,7 @@ Button::factory (Surface& surface, Button::ID bid, int id, const std::string& na
 void
 Button::pressed ()
 {
-	press_time = ARDOUR::get_microseconds ();
+	press_time = PBD::get_microseconds ();
 }
 
 void
@@ -58,7 +58,7 @@ Button::long_press_count ()
 		return -1; /* button is not pressed */
 	}
 
-	const ARDOUR::microseconds_t delta = ARDOUR::get_microseconds () - press_time;
+	const ARDOUR::microseconds_t delta = PBD::get_microseconds () - press_time;
 
 	if (delta < 500000) {
 		return 0;
diff --git a/libs/surfaces/mackie/mackie_control_protocol.cc b/libs/surfaces/mackie/mackie_control_protocol.cc
index d1015b915c..d3abee573e 100644
--- a/libs/surfaces/mackie/mackie_control_protocol.cc
+++ b/libs/surfaces/mackie/mackie_control_protocol.cc
@@ -536,7 +536,7 @@ MackieControlProtocol::periodic ()
 
 	update_timecode_display ();
 
-	ARDOUR::microseconds_t now_usecs = ARDOUR::get_microseconds ();
+	ARDOUR::microseconds_t now_usecs = PBD::get_microseconds ();
 
 	{
 		Glib::Threads::Mutex::Lock lm (surfaces_lock);
@@ -565,7 +565,7 @@ MackieControlProtocol::redisplay ()
 		initialize();
 	}
 
-	ARDOUR::microseconds_t now = ARDOUR::get_microseconds ();
+	ARDOUR::microseconds_t now = PBD::get_microseconds ();
 
 	{
 		Glib::Threads::Mutex::Lock lm (surfaces_lock);
diff --git a/libs/surfaces/mackie/strip.cc b/libs/surfaces/mackie/strip.cc
index 6f71ea3338..e7889948ee 100644
--- a/libs/surfaces/mackie/strip.cc
+++ b/libs/surfaces/mackie/strip.cc
@@ -1063,13 +1063,13 @@ Strip::flip_mode_changed ()
 void
 Strip::block_screen_display_for (uint32_t msecs)
 {
-	_block_screen_redisplay_until = ARDOUR::get_microseconds() + (msecs * 1000);
+	_block_screen_redisplay_until = PBD::get_microseconds() + (msecs * 1000);
 }
 
 void
 Strip::block_vpot_mode_display_for (uint32_t msecs)
 {
-	return_to_vpot_mode_display_at = ARDOUR::get_microseconds() + (msecs * 1000);
+	return_to_vpot_mode_display_at = PBD::get_microseconds() + (msecs * 1000);
 }
 
 void
diff --git a/libs/surfaces/osc/osc.cc b/libs/surfaces/osc/osc.cc
index 03cb71ae47..d942e4a0d7 100644
--- a/libs/surfaces/osc/osc.cc
+++ b/libs/surfaces/osc/osc.cc
@@ -2991,7 +2991,7 @@ OSC::scrub (float delta, lo_message msg)
 
 	float speed;
 
-	int64_t now = ARDOUR::get_microseconds ();
+	int64_t now = PBD::get_microseconds ();
 	int64_t diff = now - scrub_time;
 	if (diff > 35000) {
 		// speed 1 (or 0 if jog wheel supports touch)
@@ -5892,7 +5892,7 @@ OSC::periodic (void)
 
 	if (scrub_speed != 0) {
 		// for those jog wheels that don't have 0 on release (touch), time out.
-		int64_t now = ARDOUR::get_microseconds ();
+		int64_t now = PBD::get_microseconds ();
 		int64_t diff = now - scrub_time;
 		if (diff > 120000) {
 			scrub_speed = 0;
diff --git a/libs/surfaces/us2400/button.cc b/libs/surfaces/us2400/button.cc
index 1fb06a05e0..5b3933ccee 100644
--- a/libs/surfaces/us2400/button.cc
+++ b/libs/surfaces/us2400/button.cc
@@ -41,7 +41,7 @@ Button::factory (Surface& surface, Button::ID bid, int id, const std::string& na
 void
 Button::pressed ()
 {
-	press_time = ARDOUR::get_microseconds ();
+	press_time = PBD::get_microseconds ();
 }
 
 void
@@ -57,7 +57,7 @@ Button::long_press_count ()
 		return -1; /* button is not pressed */
 	}
 
-	const ARDOUR::microseconds_t delta = ARDOUR::get_microseconds () - press_time;
+	const ARDOUR::microseconds_t delta = PBD::get_microseconds () - press_time;
 
 	if (delta < 500000) {
 		return 0;
diff --git a/libs/surfaces/us2400/us2400_control_protocol.cc b/libs/surfaces/us2400/us2400_control_protocol.cc
index 5aa7eb5ccf..bf8604c62e 100644
--- a/libs/surfaces/us2400/us2400_control_protocol.cc
+++ b/libs/surfaces/us2400/us2400_control_protocol.cc
@@ -457,7 +457,7 @@ US2400Protocol::periodic ()
 		initialize();
 	}
 
-	ARDOUR::microseconds_t now_usecs = ARDOUR::get_microseconds ();
+	ARDOUR::microseconds_t now_usecs = PBD::get_microseconds ();
 
 	{
 		Glib::Threads::Mutex::Lock lm (surfaces_lock);