diff --git a/gtk2_ardour/editor_drag.cc b/gtk2_ardour/editor_drag.cc
index c2e30b9aab..db51191b64 100644
--- a/gtk2_ardour/editor_drag.cc
+++ b/gtk2_ardour/editor_drag.cc
@@ -759,7 +759,7 @@ RegionMoveDrag::finished (GdkEvent* /*event*/, bool movement_occurred)
 	   the drag.
 	*/
 
-	if (Config->get_edit_mode() == Lock && !_copy) {
+	if (Config->get_edit_mode() == Lock) {
 		_x_constrained = !_x_constrained;
 	}
 
@@ -977,24 +977,10 @@ RegionMoveDrag::finished (GdkEvent* /*event*/, bool movement_occurred)
 
 
 bool
-RegionMoveDrag::x_move_allowed () const
-{
-	if (Config->get_edit_mode() == Lock) {
-		if (_copy) {
-			return !_x_constrained;
-		} else {
-			/* in locked edit mode, reverse the usual meaning of _x_constrained */
-			return _x_constrained;
-		}
-	}
-
-	return !_x_constrained;
-}
-
-bool
-RegionInsertDrag::x_move_allowed () const
+RegionMotionDrag::x_move_allowed () const
 {
 	if (Config->get_edit_mode() == Lock) {
+		/* in locked edit mode, reverse the usual meaning of _x_constrained */
 		return _x_constrained;
 	}
 
diff --git a/gtk2_ardour/editor_drag.h b/gtk2_ardour/editor_drag.h
index ae504dbef5..8475e9e315 100644
--- a/gtk2_ardour/editor_drag.h
+++ b/gtk2_ardour/editor_drag.h
@@ -194,7 +194,7 @@ protected:
 		);
 
 	TimeAxisViewSummary get_time_axis_view_summary ();
-	virtual bool x_move_allowed () const = 0;
+	bool x_move_allowed () const;
 
 	TimeAxisView* _dest_trackview;
 	ARDOUR::layer_t _dest_layer;
@@ -221,8 +221,6 @@ public:
 	}
 
 private:
-	bool x_move_allowed () const;
-
 	bool _copy;
 };
 
@@ -233,9 +231,6 @@ public:
 	RegionInsertDrag (Editor *, boost::shared_ptr<ARDOUR::Region>, RouteTimeAxisView*, nframes64_t);
 
 	void finished (GdkEvent *, bool);
-
-private:
-	bool x_move_allowed () const;
 };
 
 /** Region drag in splice mode */