diff --git a/libs/widgets/tabbable.cc b/libs/widgets/tabbable.cc
index 170ef8e6d1..315f01c3fd 100644
--- a/libs/widgets/tabbable.cc
+++ b/libs/widgets/tabbable.cc
@@ -54,7 +54,7 @@ Tabbable::~Tabbable ()
 }
 
 void
-Tabbable::add_to_notebook (Notebook& notebook, const string& tab_title)
+Tabbable::add_to_notebook (Notebook& notebook)
 {
 	_parent_notebook = &notebook;
 
@@ -312,7 +312,7 @@ Tabbable::show_tab ()
 	if (!window_visible() && _parent_notebook) {
 		if (_contents.get_parent() == 0) {
 			tab_requested_by_state = true;
-			add_to_notebook (*_parent_notebook, _tab_title);
+			add_to_notebook (*_parent_notebook);
 		}
 		_parent_notebook->set_current_page (_parent_notebook->page_num (_contents));
 		_contents.show ();
diff --git a/libs/widgets/widgets/tabbable.h b/libs/widgets/widgets/tabbable.h
index ff9dae4207..ec19bb4f33 100644
--- a/libs/widgets/widgets/tabbable.h
+++ b/libs/widgets/widgets/tabbable.h
@@ -47,7 +47,7 @@ public:
 	Tabbable (Gtk::Widget&, const std::string& user_visible_name, std::string const & untranslated_name, bool tabbed_by_default = true);
 	~Tabbable ();
 
-	void add_to_notebook (Gtk::Notebook& notebook, const std::string& tab_title = "");
+	void add_to_notebook (Gtk::Notebook& notebook);
 	void make_visible ();
 	void make_invisible ();
 	void change_visibility ();
@@ -89,7 +89,6 @@ private:
 	Gtk::Widget&   _contents;
 	Gtk::Notebook  _own_notebook;
 	Gtk::Notebook* _parent_notebook;
-	std::string    _tab_title;
 	bool            tab_requested_by_state;
 
 	void show_tab ();