diff --git a/gtk2_ardour/editor_actions.cc b/gtk2_ardour/editor_actions.cc
index 6fc16c85c5..54c36218f0 100644
--- a/gtk2_ardour/editor_actions.cc
+++ b/gtk2_ardour/editor_actions.cc
@@ -1447,8 +1447,6 @@ Editor::parameter_changed (std::string p)
 		update_region_fade_visibility ();
 	} else if (p == "edit-mode") {
 		edit_mode_selector.set_active_text (edit_mode_to_string (Config->get_edit_mode()));
-	} else if (p == "subframes-per-frame") {
-		update_just_timecode ();
 	} else if (p == "show-track-meters") {
 		toggle_meter_updating();
 	} else if (p == "show-summary") {
diff --git a/gtk2_ardour/session_option_editor.cc b/gtk2_ardour/session_option_editor.cc
index 2b5c480503..45c0c803a3 100644
--- a/gtk2_ardour/session_option_editor.cc
+++ b/gtk2_ardour/session_option_editor.cc
@@ -60,18 +60,6 @@ SessionOptionEditor::SessionOptionEditor (Session* s)
 
 	add_option (_("Timecode"), smf);
 
-	ComboOption<uint32_t>* spf = new ComboOption<uint32_t> (
-		"subframes-per-frame",
-		_("Subframes per frame"),
-		sigc::mem_fun (*_session_config, &SessionConfiguration::get_subframes_per_frame),
-		sigc::mem_fun (*_session_config, &SessionConfiguration::set_subframes_per_frame)
-		);
-
-	spf->add (80, _("80"));
-	spf->add (100, _("100"));
-
-	add_option (_("Timecode"), spf);
-
 	_vpu = new ComboOption<float> (
 		"video-pullup",
 		_("Pull-up / pull-down"),
diff --git a/libs/ardour/ltc_slave.cc b/libs/ardour/ltc_slave.cc
index f063e830c1..7fdc2cdedf 100644
--- a/libs/ardour/ltc_slave.cc
+++ b/libs/ardour/ltc_slave.cc
@@ -95,7 +95,6 @@ void
 LTC_Slave::parameter_changed (std::string const & p)
 {
 	if (p == "slave-timecode-offset"
-			|| p == "subframes-per-frame"
 			|| p == "timecode-format"
 			) {
 		parse_timecode_offset();
diff --git a/libs/ardour/mtc_slave.cc b/libs/ardour/mtc_slave.cc
index dcc51ee5c8..eadc40646b 100644
--- a/libs/ardour/mtc_slave.cc
+++ b/libs/ardour/mtc_slave.cc
@@ -118,7 +118,6 @@ void
 MTC_Slave::parameter_changed (std::string const & p)
 {
 	if (p == "slave-timecode-offset"
-			|| p == "subframes-per-frame"
 			|| p == "timecode-format"
 			) {
 		parse_timecode_offset();