diff --git a/gtk2_ardour/editor_ops.cc b/gtk2_ardour/editor_ops.cc
index bae511e031..205ca935c9 100644
--- a/gtk2_ardour/editor_ops.cc
+++ b/gtk2_ardour/editor_ops.cc
@@ -4708,8 +4708,7 @@ Editor::quantize_region ()
 	qd->hide ();
 
 	if (r == Gtk::RESPONSE_OK) {
-		Quantize quant (*_session, Plain,
-				qd->snap_start(), qd->snap_end(),
+		Quantize quant (*_session, qd->snap_start(), qd->snap_end(),
 				qd->start_grid_size(), qd->end_grid_size(),
 				qd->strength(), qd->swing(), qd->threshold());
 
diff --git a/gtk2_ardour/quantize_dialog.cc b/gtk2_ardour/quantize_dialog.cc
index 82b7ef3009..623a5d8033 100644
--- a/gtk2_ardour/quantize_dialog.cc
+++ b/gtk2_ardour/quantize_dialog.cc
@@ -46,20 +46,11 @@ static const gchar *_grid_strings[] = {
 	0
 };
 
-static const gchar *_type_strings[] = {
-	N_("Grid"),
-	N_("Legato"),
-	N_("Groove"),
-	0
-};
-
 std::vector<std::string> QuantizeDialog::grid_strings;
-std::vector<std::string> QuantizeDialog::type_strings;
 
 QuantizeDialog::QuantizeDialog (PublicEditor& e)
 	: ArdourDialog (_("Quantize"), false, false)
 	, editor (e)
-	, type_label (_("Quantize Type"))
 	, strength_adjustment (100.0, 0.0, 100.0, 1.0, 10.0)
 	, strength_spinner (strength_adjustment)
 	, strength_label (_("Strength"))
@@ -74,7 +65,6 @@ QuantizeDialog::QuantizeDialog (PublicEditor& e)
 {
 	if (grid_strings.empty()) {
 		grid_strings =  I18N (_grid_strings);
-		type_strings =  I18N (_type_strings);
 	}
 
 	set_popdown_strings (start_grid_combo, grid_strings);
@@ -82,20 +72,12 @@ QuantizeDialog::QuantizeDialog (PublicEditor& e)
 	set_popdown_strings (end_grid_combo, grid_strings);
 	end_grid_combo.set_active_text (grid_strings.front());
 
-	set_popdown_strings (type_combo, type_strings);
-	type_combo.set_active_text (type_strings.front());
-
 	Table* table = manage (new Table (6, 2));
 	table->set_spacings (12);
 	table->set_border_width (12);
 
 	int r = 0;
 
-	type_label.set_alignment (0, 0.5);
-	table->attach (type_label, 0, 1, r, r + 1);
-	table->attach (type_combo, 1, 2, r, r + 1);
-	++r;
-
 	table->attach (snap_start_button, 0, 1, r, r + 1);
 	table->attach (start_grid_combo, 1, 2, r, r + 1);
 	++r;
diff --git a/gtk2_ardour/quantize_dialog.h b/gtk2_ardour/quantize_dialog.h
index 97cb82c86e..8203875e98 100644
--- a/gtk2_ardour/quantize_dialog.h
+++ b/gtk2_ardour/quantize_dialog.h
@@ -45,7 +45,6 @@ class QuantizeDialog : public ArdourDialog
 	QuantizeDialog (PublicEditor&);
 	~QuantizeDialog ();
 
-	ARDOUR::QuantizeType type() const;
 	double start_grid_size() const;
 	double end_grid_size() const;
 	bool   snap_start() const { return snap_start_button.get_active(); }
@@ -57,10 +56,8 @@ class QuantizeDialog : public ArdourDialog
   private:
 	PublicEditor& editor;
 
-	Gtk::ComboBoxText type_combo;
 	Gtk::ComboBoxText start_grid_combo;
 	Gtk::ComboBoxText end_grid_combo;
-	Gtk::Label type_label;
 	Gtk::Adjustment strength_adjustment;
 	Gtk::SpinButton strength_spinner;
 	Gtk::Label strength_label;
diff --git a/libs/ardour/ardour/quantize.h b/libs/ardour/ardour/quantize.h
index e1ca2b2395..e56927767e 100644
--- a/libs/ardour/ardour/quantize.h
+++ b/libs/ardour/ardour/quantize.h
@@ -30,8 +30,7 @@ class Session;
 
 class Quantize : public MidiOperator {
 public:
-	Quantize (ARDOUR::Session&, QuantizeType type,
-			bool snap_start, bool snap_end,
+	Quantize (ARDOUR::Session&, bool snap_start, bool snap_end,
 			double start_grid, double end_grid,
 			float strength, float swing, float threshold);
 	~Quantize ();
diff --git a/libs/ardour/ardour/types.h b/libs/ardour/ardour/types.h
index 71c00e7520..127c840840 100644
--- a/libs/ardour/ardour/types.h
+++ b/libs/ardour/ardour/types.h
@@ -510,12 +510,6 @@ namespace ARDOUR {
 		Rectified
 	};
 
-	enum QuantizeType {
-		Plain,
-		Legato,
-		Groove
-	};
-
 	struct CleanupReport {
 		std::vector<std::string> paths;
 		size_t                   space;
diff --git a/libs/ardour/enums.cc b/libs/ardour/enums.cc
index eea971e197..54c6214ee5 100644
--- a/libs/ardour/enums.cc
+++ b/libs/ardour/enums.cc
@@ -122,7 +122,6 @@ setup_enum_writer ()
 	MidiModel::PatchChangeDiffCommand::Property _MidiModel_PatchChangeDiffCommand_Property;
 	WaveformScale _WaveformScale;
 	WaveformShape _WaveformShape;
-	QuantizeType _QuantizeType;
 	Session::PostTransportWork _Session_PostTransportWork;
 	Session::SlaveState _Session_SlaveState;
 	MTC_Status _MIDI_MTC_Status;
@@ -577,11 +576,6 @@ setup_enum_writer ()
 	REGISTER_ENUM(Rectified);
 	REGISTER(_WaveformShape);
 
-	REGISTER_ENUM(Plain);
-	REGISTER_ENUM(Legato);
-	REGISTER_ENUM(Groove);
-	REGISTER(_QuantizeType);
-
 	REGISTER_ENUM(AudioTime);
 	REGISTER_ENUM(MusicTime);
 	REGISTER(_PositionLockStyle);
diff --git a/libs/ardour/quantize.cc b/libs/ardour/quantize.cc
index 7ede60b578..563b7bf4e7 100644
--- a/libs/ardour/quantize.cc
+++ b/libs/ardour/quantize.cc
@@ -40,8 +40,7 @@ using namespace ARDOUR;
  * 0.25 = quantize to beats/4, etc.
  */
 
-Quantize::Quantize (Session& s, QuantizeType /* type */,
-		    bool snap_start, bool snap_end,
+Quantize::Quantize (Session& s, bool snap_start, bool snap_end,
 		    double start_grid, double end_grid,
 		    float strength, float swing, float threshold)
 	: session (s)