diff --git a/gtk2_ardour/startup.cc b/gtk2_ardour/startup.cc
index a47b8ef90c..b3e741011f 100644
--- a/gtk2_ardour/startup.cc
+++ b/gtk2_ardour/startup.cc
@@ -33,8 +33,7 @@
 
 #include "pbd/gstdio_compat.h"
 
-#include <gtkmm/main.h>
-#include <gtkmm/filechooser.h>
+#include <gtkmm.h>
 
 #include "pbd/failed_constructor.h"
 #include "pbd/scoped_file_descriptor.h"
@@ -58,7 +57,6 @@
 
 #include "startup.h"
 #include "opts.h"
-#include "engine_dialog.h"
 #include "pbd/i18n.h"
 #include "utils.h"
 
diff --git a/gtk2_ardour/startup.h b/gtk2_ardour/startup.h
index 6ca7d6f05f..6717163e68 100644
--- a/gtk2_ardour/startup.h
+++ b/gtk2_ardour/startup.h
@@ -24,23 +24,12 @@
 
 #include <string>
 
-#include <gdkmm/pixbuf.h>
 #include <gtkmm/assistant.h>
 #include <gtkmm/label.h>
-#include <gtkmm/drawingarea.h>
 #include <gtkmm/expander.h>
 #include <gtkmm/box.h>
 #include <gtkmm/radiobutton.h>
 #include <gtkmm/filechooserbutton.h>
-#include <gtkmm/scrolledwindow.h>
-#include <gtkmm/treeview.h>
-#include <gtkmm/treestore.h>
-#include <gtkmm/checkbutton.h>
-#include <gtkmm/table.h>
-#include <gtkmm/frame.h>
-#include <gtkmm/spinbutton.h>
-#include <gtkmm/liststore.h>
-#include <gtkmm/combobox.h>
 
 #include "ardour/utils.h"
 
@@ -75,8 +64,6 @@ private:
 	void setup_prerelease_page ();
 	void setup_new_user_page ();
 	Glib::RefPtr<Gdk::Pixbuf> splash_pixbuf;
-	Gtk::DrawingArea splash_area;
-	bool splash_expose (GdkEventExpose* ev);
 
 	void setup_first_time_config_page ();
 	void config_changed ();