diff --git a/gtk2_ardour/color_theme_manager.cc b/gtk2_ardour/color_theme_manager.cc
index 31f0530fb6..b7dc9b303a 100644
--- a/gtk2_ardour/color_theme_manager.cc
+++ b/gtk2_ardour/color_theme_manager.cc
@@ -24,10 +24,6 @@
 
 #include "pbd/gstdio_compat.h"
 
-#include <gtkmm/stock.h>
-#include <gtkmm/settings.h>
-
-#include "gtkmm2ext/gtk_ui.h"
 #include "gtkmm2ext/cell_renderer_color_selector.h"
 #include "gtkmm2ext/utils.h"
 
diff --git a/gtk2_ardour/color_theme_manager.h b/gtk2_ardour/color_theme_manager.h
index d565066a18..f3e9132a84 100644
--- a/gtk2_ardour/color_theme_manager.h
+++ b/gtk2_ardour/color_theme_manager.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000-2007 Paul Davis
+    Copyright (C) 2000-2016 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -24,10 +24,7 @@
 #include <gtkmm/treestore.h>
 #include <gtkmm/scrolledwindow.h>
 #include <gtkmm/colorselection.h>
-#include <gtkmm/radiobutton.h>
 #include <gtkmm/button.h>
-#include <gtkmm/scale.h>
-#include <gtkmm/rc.h>
 
 #include "canvas/types.h"
 #include "canvas/canvas.h"
diff --git a/gtk2_ardour/theme_manager.cc b/gtk2_ardour/theme_manager.cc
index c49fd5381b..6089bd6d38 100644
--- a/gtk2_ardour/theme_manager.cc
+++ b/gtk2_ardour/theme_manager.cc
@@ -24,27 +24,20 @@
 
 #include "pbd/gstdio_compat.h"
 
-#include <gtkmm/stock.h>
 #include <gtkmm/settings.h>
 
 #include "gtkmm2ext/gtk_ui.h"
 #include "gtkmm2ext/utils.h"
 
-#include "pbd/file_utils.h"
 #include "pbd/compose.h"
 
-#include "ardour/filesystem_paths.h"
 #include "ardour/profile.h"
 
-#include "canvas/container.h"
-#include "canvas/rectangle.h"
-#include "canvas/scroll_group.h"
 #include "canvas/wave_view.h"
 
 #include "ardour_button.h"
 #include "ardour_dialog.h"
 #include "theme_manager.h"
-#include "rgb_macros.h"
 #include "ui_config.h"
 #include "utils.h"