move to GTK+3 (>= 3.14), drop GTK+2 code and --with-gtk build option

and require mate-panel >= 1.17

24 files changed, 18 insertions, 1034 deletions

diff --git a/Makefile.am b/Makefile.am
index 1e174e7..eb1f0f5 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -35,8 +35,7 @@ DISTCLEANFILES =					\
 DISTCHECK_CONFIGURE_FLAGS =   \
 	--disable-schemas-install \
 	--disable-applets         \
-	--disable-tests \
-	--with-gtk=$(GTK_API_VERSION)
+	--disable-tests
 
 # Build ChangeLog from GIT  history
 ChangeLog:
diff --git a/NEWS b/NEWS
index 5ef94d9..eb99a39 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,5 @@
+Version 1.17.0
+
 Version 1.16.0
 ~~~~~~~~~~~~~~
 Released: 2016-09-19
diff --git a/README b/README
index 1a66e2b..3973872 100644
--- a/README
+++ b/README
@@ -14,13 +14,12 @@ MATE Power Manager comes in three main parts:
 To build, MATE Power Manager requires
 
 	- Glib (2.36.0 or later)
-	- Gtk2+ (2.24.0 or later)
+	- GTK+3 (3.14.0 or later)
 	- GNOME Keyring (3.0.0 or later)
 	- DBus (0.70 or later)
 	- libnotify (0.7.0 or later)
 	- Cairo (1.0.0 or later)
-	- Unique (0.9.4 or later)
-	- libmate-panel-applet (1.5.0 or later)
+	- libmate-panel-applet (1.17.0 or later)
 	- xrandr (1.3.0 or later)
 	- Canberra (0.10 or later)
 	- UPower (0.9.5 or later)
diff --git a/applets/brightness/Makefile.am b/applets/brightness/Makefile.am
index 026133d..7962787 100644
--- a/applets/brightness/Makefile.am
+++ b/applets/brightness/Makefile.am
@@ -5,7 +5,6 @@ AM_CPPFLAGS =							\
 	$(CAIRO_CFLAGS)						\
 	$(PANEL_CFLAGS)						\
 	$(LIBNOTIFY_CFLAGS)					\
-	$(GTKUNIQUE_CFLAGS)					\
 	-DBINDIR=\"$(bindir)\"			 		\
 	-DMATELOCALEDIR=\""$(datadir)/locale"\"	 	\
 	-DDATADIR=\"$(datadir)\"				\
diff --git a/applets/brightness/brightness-applet.c b/applets/brightness/brightness-applet.c
index 5cd7f6b..8e5345d 100644
--- a/applets/brightness/brightness-applet.c
+++ b/applets/brightness/brightness-applet.c
@@ -85,11 +85,7 @@ static void      gpm_applet_check_size            (GpmBrightnessApplet *applet);
 static gboolean  gpm_applet_draw_cb               (GpmBrightnessApplet *applet);
 static void      gpm_applet_change_background_cb  (GpmBrightnessApplet *applet,
 						   MatePanelAppletBackgroundType arg1,
-#if GTK_CHECK_VERSION (3, 0, 0)
 						   cairo_pattern_t *arg2, gpointer data);
-#else
-						   GdkColor *arg2, GdkPixmap *arg3, gpointer data);
-#endif
 static void      gpm_applet_theme_change_cb (GtkIconTheme *icon_theme, gpointer data);
 static void      gpm_applet_stop_scroll_events_cb (GtkWidget *widget, GdkEvent  *event);
 static gboolean  gpm_applet_destroy_popup_cb      (GpmBrightnessApplet *applet);
@@ -263,16 +259,10 @@ static gboolean
 gpm_applet_draw_cb (GpmBrightnessApplet *applet)
 {
 	gint w, h, bg_type;
-#if GTK_CHECK_VERSION (3, 0, 0)
 	GdkRGBA color;
 	cairo_t *cr;
 	cairo_pattern_t *pattern;
 	GtkStyleContext *context;
-#else
-	GdkColor color;
-	GdkGC *gc;
-	GdkPixmap *background;
-#endif
 	GtkAllocation allocation;
 
 	if (gtk_widget_get_window (GTK_WIDGET(applet)) == NULL) {
@@ -295,74 +285,38 @@ gpm_applet_draw_cb (GpmBrightnessApplet *applet)
 	w = allocation.width;
 	h = allocation.height;
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 	cr = gdk_cairo_create (gtk_widget_get_window (GTK_WIDGET(applet)));
-#else
-	gc = gdk_gc_new (gtk_widget_get_window (GTK_WIDGET(applet)));
-#endif
 
 	/* draw pixmap background */
-#if GTK_CHECK_VERSION (3, 0, 0)
 	bg_type = mate_panel_applet_get_background (MATE_PANEL_APPLET (applet), &color, &pattern);
-#else
-	bg_type = mate_panel_applet_get_background (MATE_PANEL_APPLET (applet), &color, &background);
-#endif
 	if (bg_type == PANEL_PIXMAP_BACKGROUND && !applet->popped) {
 		/* fill with given background pixmap */
-#if GTK_CHECK_VERSION (3, 0, 0)
 		cairo_set_source (cr, pattern);
 		cairo_rectangle (cr, 0, 0, w, h);
 		cairo_fill (cr);
-#else
-		gdk_draw_drawable (gtk_widget_get_window (GTK_WIDGET(applet)), gc, background, 0, 0, 0, 0, w, h);
-#endif
 	}
 	
 	/* draw color background */
 	if (bg_type == PANEL_COLOR_BACKGROUND && !applet->popped) {
-#if GTK_CHECK_VERSION (3, 0, 0)
 		gdk_cairo_set_source_rgba (cr, &color);
 		cairo_rectangle (cr, 0, 0, w, h);
 		cairo_fill (cr);
-#else
-		gdk_gc_set_rgb_fg_color (gc,&color);
-		gdk_gc_set_fill (gc,GDK_SOLID);
-		gdk_draw_rectangle (gtk_widget_get_window (GTK_WIDGET(applet)), gc, TRUE, 0, 0, w, h);
-#endif
 	}
 
 	/* fill with selected color if popped */
 	if (applet->popped) {
-#if GTK_CHECK_VERSION (3, 0, 0)
 		context = gtk_widget_get_style_context (GTK_WIDGET(applet));
 		gtk_style_context_get_color (context, GTK_STATE_FLAG_SELECTED, &color);
 		gdk_cairo_set_source_rgba (cr, &color);
 		cairo_rectangle (cr, 0, 0, w, h);
 		cairo_fill (cr);
-#else
-		color = gtk_rc_get_style (GTK_WIDGET(applet))->bg[GTK_STATE_SELECTED];
-		gdk_gc_set_rgb_fg_color (gc,&color);
-		gdk_gc_set_fill (gc,GDK_SOLID);
-		gdk_draw_rectangle (gtk_widget_get_window (GTK_WIDGET(applet)), gc, TRUE, 0, 0, w, h);
-#endif
 	}
 
 	/* draw icon at center */
-#if GTK_CHECK_VERSION (3, 0, 0)
 	gdk_cairo_set_source_pixbuf (cr, applet->icon, (w - applet->icon_width)/2, (h - applet->icon_height)/2);
 	cairo_paint (cr);
-#else
-	gdk_draw_pixbuf (gtk_widget_get_window (GTK_WIDGET(applet)), gc, applet->icon,
-			 0, 0, (w - applet->icon_width)/2, (h - applet->icon_height)/2,
-			 applet->icon_width, applet->icon_height,
-			 GDK_RGB_DITHER_NONE, 0, 0);
-#endif
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 	cairo_destroy (cr);
-#else
-	g_object_unref (gc);
-#endif
 
 	return TRUE;
 }
@@ -375,11 +329,7 @@ gpm_applet_draw_cb (GpmBrightnessApplet *applet)
 static void
 gpm_applet_change_background_cb (GpmBrightnessApplet *applet,
 				 MatePanelAppletBackgroundType arg1,
-#if GTK_CHECK_VERSION (3, 0, 0)
 				 cairo_pattern_t *arg2, gpointer data)
-#else
-				 GdkColor *arg2, GdkPixmap *arg3, gpointer data)
-#endif
 {
 	gtk_widget_queue_draw (GTK_WIDGET (applet));
 }
@@ -527,11 +477,7 @@ gpm_applet_key_press_cb (GpmBrightnessApplet *applet, GdkEventKey *event)
 			gdk_keyboard_ungrab (GDK_CURRENT_TIME);
 			gdk_pointer_ungrab (GDK_CURRENT_TIME);
 			gtk_grab_remove (GTK_WIDGET(applet));
-#if GTK_CHECK_VERSION (3, 0, 0)
 			gtk_widget_set_state_flags (GTK_WIDGET(applet), GTK_STATE_FLAG_NORMAL, TRUE);
-#else
-			gtk_widget_set_state (GTK_WIDGET(applet), GTK_STATE_NORMAL);
-#endif
 			gtk_widget_hide (applet->popup);
 			applet->popped = FALSE;
 			gpm_applet_draw_cb (applet);
@@ -602,7 +548,6 @@ gpm_applet_scroll_cb (GpmBrightnessApplet *applet, GdkEventScroll *event)
 	return FALSE;
 }
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 /**
  * on_popup_button_press:
  * @applet: Brightness applet instance
@@ -631,7 +576,6 @@ on_popup_button_press (GtkWidget      *widget,
 
         return FALSE;
 }
-#endif
 
 /**
  * gpm_applet_create_popup:
@@ -649,18 +593,10 @@ gpm_applet_create_popup (GpmBrightnessApplet *applet)
 
 	/* slider */
 	if (MATE_PANEL_APPLET_VERTICAL(orientation)) {
-#if GTK_CHECK_VERSION (3, 0, 0)
 		applet->slider = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
-#else
-		applet->slider = gtk_hscale_new_with_range (0, 100, 1);
-#endif
 		gtk_widget_set_size_request (applet->slider, 100, -1);
 	} else {
-#if GTK_CHECK_VERSION (3, 0, 0)
 		applet->slider = gtk_scale_new_with_range (GTK_ORIENTATION_VERTICAL, 0, 100, 1);
-#else
-		applet->slider = gtk_vscale_new_with_range (0, 100, 1);
-#endif
 		gtk_widget_set_size_request (applet->slider, -1, 100);
 	}
 	gtk_range_set_inverted (GTK_RANGE(applet->slider), TRUE);
@@ -682,17 +618,9 @@ gpm_applet_create_popup (GpmBrightnessApplet *applet)
 
 	/* box */
 	if (MATE_PANEL_APPLET_VERTICAL(orientation)) {
-#if GTK_CHECK_VERSION (3, 0, 0)
 		box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 1);
-#else
-		box = gtk_hbox_new (FALSE, 1);
-#endif
 	} else {
-#if GTK_CHECK_VERSION (3, 0, 0)
 		box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 1);
-#else
-		box = gtk_vbox_new (FALSE, 1);
-#endif
 	}
 	gtk_box_pack_start (GTK_BOX(box), applet->btn_plus, FALSE, FALSE, 0);
 	gtk_box_pack_start (GTK_BOX(box), applet->slider, TRUE, TRUE, 0);
@@ -705,25 +633,16 @@ gpm_applet_create_popup (GpmBrightnessApplet *applet)
 
 	/* window */
 	applet->popup = gtk_window_new (GTK_WINDOW_POPUP);
-#if !GTK_CHECK_VERSION (3, 0, 0)
-	GTK_WIDGET_UNSET_FLAGS (applet->popup, GTK_TOPLEVEL);
-#endif
 	gtk_window_set_type_hint (GTK_WINDOW(applet->popup), GDK_WINDOW_TYPE_HINT_UTILITY);
-#if !GTK_CHECK_VERSION (3, 0, 0)
-	gtk_widget_set_parent (applet->popup, GTK_WIDGET(applet));
-#endif
 	gtk_container_add (GTK_CONTAINER(applet->popup), frame);
 
-#if GTK_CHECK_VERSION (3, 0, 0)
         /* window events */
         g_signal_connect (G_OBJECT(applet->popup), "button-press-event",
                           G_CALLBACK (on_popup_button_press), applet);
 
         g_signal_connect (G_OBJECT(applet->popup), "key-press-event",
                           G_CALLBACK(gpm_applet_key_press_cb), applet);
-#endif
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 	/* Set volume control frame, slider and toplevel window to follow panel volume control theme */
 	GtkWidget *toplevel = gtk_widget_get_toplevel (frame);
 	GtkStyleContext *context;
@@ -733,7 +652,6 @@ gpm_applet_create_popup (GpmBrightnessApplet *applet)
  	GdkScreen *screen = gtk_widget_get_screen(GTK_WIDGET(toplevel));
 	GdkVisual *visual = gdk_screen_get_rgba_visual(screen);
 	gtk_widget_set_visual(GTK_WIDGET(toplevel), visual);
-#endif
 }
 
 /**
@@ -747,13 +665,11 @@ gpm_applet_popup_cb (GpmBrightnessApplet *applet, GdkEventButton *event)
 {
 	GtkAllocation allocation, popup_allocation;
 	gint orientation, x, y;
-#if GTK_CHECK_VERSION (3, 0, 0)
 	GdkWindow *window;
 	GdkDisplay *display;
 	GdkDeviceManager *device_manager;
 	GdkDevice *pointer;
 	GdkDevice *keyboard;
-#endif
 
 	/* react only to left mouse button */
 	if (event->button != 1) {
@@ -762,36 +678,19 @@ gpm_applet_popup_cb (GpmBrightnessApplet *applet, GdkEventButton *event)
 
 	/* if yet popped, release focus and hide then redraw applet unselected */
 	if (applet->popped) {
-#if !GTK_CHECK_VERSION (3, 0, 0)
-		gdk_keyboard_ungrab (GDK_CURRENT_TIME);
-		gdk_pointer_ungrab (GDK_CURRENT_TIME);
-		gtk_grab_remove (GTK_WIDGET(applet));
-		gtk_widget_set_state (GTK_WIDGET(applet), GTK_STATE_NORMAL);
-#endif
 		gtk_widget_hide (applet->popup);
 		applet->popped = FALSE;
-#if !GTK_CHECK_VERSION (3, 0, 0)
-		gpm_applet_draw_cb (applet);
-#endif
 		gpm_applet_update_tooltip (applet);
 		return TRUE;
 	}
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 	/* don't show the popup if brightness is unavailable */
 	if (applet->level == -1) {
 		return FALSE;
 	}
-#else
-	/* update UI for current brightness */
-	gpm_applet_update_popup_level (applet);
-#endif
 
 	/* otherwise pop */
 	applet->popped = TRUE;
-#if !GTK_CHECK_VERSION (3, 0, 0)
-	gpm_applet_draw_cb (applet);
-#endif
 
 	/* create a new popup (initial or if panel parameters changed) */
 	if (applet->popup == NULL) {
@@ -839,7 +738,6 @@ gpm_applet_popup_cb (GpmBrightnessApplet *applet, GdkEventButton *event)
 	gtk_window_move (GTK_WINDOW (applet->popup), x, y);
 
 	/* grab input */
-#if GTK_CHECK_VERSION (3, 0, 0)
 	window = gtk_widget_get_window (GTK_WIDGET (applet->popup));
 	display = gdk_window_get_display (window);
 	device_manager = gdk_display_get_device_manager (display);
@@ -853,18 +751,6 @@ gpm_applet_popup_cb (GpmBrightnessApplet *applet, GdkEventButton *event)
 			 GDK_OWNERSHIP_NONE, TRUE,
 			 GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
 			 NULL, GDK_CURRENT_TIME);
-#else
-	gtk_widget_grab_focus (GTK_WIDGET(applet));
-	gtk_grab_add (GTK_WIDGET(applet));
-	gdk_pointer_grab (gtk_widget_get_window (GTK_WIDGET(applet)), TRUE,
-			  GDK_BUTTON_PRESS_MASK |
-			  GDK_BUTTON_RELEASE_MASK |
-			  GDK_POINTER_MOTION_MASK,
-			  NULL, NULL, GDK_CURRENT_TIME);
-	gdk_keyboard_grab (gtk_widget_get_window (GTK_WIDGET(applet)),
-			   TRUE, GDK_CURRENT_TIME);
-	gtk_widget_set_state (GTK_WIDGET(applet), GTK_STATE_SELECTED);
-#endif
 
 	return TRUE;
 }
@@ -1150,13 +1036,8 @@ gpm_brightness_applet_init (GpmBrightnessApplet *applet)
 	/* We use g_signal_connect_after because letting the panel draw
 	 * the background is the only way to have the correct
 	 * background when a theme defines a background picture. */
-#if GTK_CHECK_VERSION (3, 0, 0)
 	g_signal_connect_after (G_OBJECT(applet), "draw",
 				G_CALLBACK(gpm_applet_draw_cb), NULL);
-#else
-	g_signal_connect_after (G_OBJECT(applet), "expose-event",
-				G_CALLBACK(gpm_applet_draw_cb), NULL);
-#endif
 
 	g_signal_connect (G_OBJECT(applet), "change-background",
 			  G_CALLBACK(gpm_applet_change_background_cb), NULL);
diff --git a/applets/inhibit/Makefile.am b/applets/inhibit/Makefile.am
index cc5d2d7..111ab2b 100644
--- a/applets/inhibit/Makefile.am
+++ b/applets/inhibit/Makefile.am
@@ -5,7 +5,6 @@ AM_CPPFLAGS =							\
 	$(CAIRO_CFLAGS)						\
 	$(PANEL_CFLAGS)						\
 	$(LIBNOTIFY_CFLAGS)					\
-	$(GTKUNIQUE_CFLAGS)					\
 	-DBINDIR=\"$(bindir)\"			 		\
 	-DMATELOCALEDIR=\""$(datadir)/locale"\"		\
 	-DDATADIR=\"$(datadir)\"				\
diff --git a/applets/inhibit/inhibit-applet.c b/applets/inhibit/inhibit-applet.c
index 8acec87..1c3f836 100644
--- a/applets/inhibit/inhibit-applet.c
+++ b/applets/inhibit/inhibit-applet.c
@@ -248,27 +248,16 @@ static gboolean
 gpm_applet_draw_cb (GpmInhibitApplet *applet)
 {
 	gint w, h, bg_type;
-#if GTK_CHECK_VERSION (3, 0, 0)
 	GdkRGBA color;
 	cairo_t *cr;
 	cairo_pattern_t *pattern;
 	GtkStyleContext *context;
-#else
-	GdkColor color;
-	GdkGC *gc;
-	GdkPixmap *background;
-#endif
 	GtkAllocation allocation;
 
 	if (gtk_widget_get_window (GTK_WIDGET(applet)) == NULL) {
 		return FALSE;
 	}
 
-#if !GTK_CHECK_VERSION (3, 0, 0)
-	/* Clear the window so we can draw on it later */
-	gdk_window_clear(gtk_widget_get_window (GTK_WIDGET (applet)));
-#endif
-
 	/* retrieve applet size */
 	gpm_applet_get_icon (applet);
 	gpm_applet_check_size (applet);
@@ -285,58 +274,29 @@ gpm_applet_draw_cb (GpmInhibitApplet *applet)
 	w = allocation.width;
 	h = allocation.height;
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 	cr = gdk_cairo_create (gtk_widget_get_window (GTK_WIDGET(applet)));
-#else
-	gc = gdk_gc_new (gtk_widget_get_window (GTK_WIDGET(applet)));
-#endif
 
 	/* draw pixmap background */
-#if GTK_CHECK_VERSION (3, 0, 0)
 	bg_type = mate_panel_applet_get_background (MATE_PANEL_APPLET (applet), &color, &pattern);
-#else
-	bg_type = mate_panel_applet_get_background (MATE_PANEL_APPLET (applet), &color, &background);
-#endif
 	if (bg_type == PANEL_PIXMAP_BACKGROUND) {
 		/* fill with given background pixmap */
-#if GTK_CHECK_VERSION (3, 0, 0)
 		cairo_set_source (cr, pattern);
 		cairo_rectangle (cr, 0, 0, w, h);
 		cairo_fill (cr);
-#else
-		gdk_draw_drawable (gtk_widget_get_window (GTK_WIDGET(applet)), gc, background, 0, 0, 0, 0, w, h);
-#endif
 	}
 	
 	/* draw color background */
 	if (bg_type == PANEL_COLOR_BACKGROUND) {
-#if GTK_CHECK_VERSION (3, 0, 0)
 		gdk_cairo_set_source_rgba (cr, &color);
 		cairo_rectangle (cr, 0, 0, w, h);
 		cairo_fill (cr);
-#else
-		gdk_gc_set_rgb_fg_color (gc,&color);
-		gdk_gc_set_fill (gc,GDK_SOLID);
-		gdk_draw_rectangle (gtk_widget_get_window (GTK_WIDGET(applet)), gc, TRUE, 0, 0, w, h);
-#endif
 	}
 
 	/* draw icon at center */
-#if GTK_CHECK_VERSION (3, 0, 0)
 	gdk_cairo_set_source_pixbuf (cr, applet->icon, (w - applet->icon_width)/2, (h - applet->icon_height)/2);
 	cairo_paint (cr);
-#else
-	gdk_draw_pixbuf (gtk_widget_get_window (GTK_WIDGET(applet)), gc, applet->icon,
-			 0, 0, (w - applet->icon_width)/2, (h - applet->icon_height)/2,
-			 applet->icon_width, applet->icon_height,
-			 GDK_RGB_DITHER_NONE, 0, 0);
-#endif
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 	cairo_destroy (cr);
-#else
-	g_object_unref (gc);
-#endif
 
 	return TRUE;
 }
@@ -349,11 +309,7 @@ gpm_applet_draw_cb (GpmInhibitApplet *applet)
 static void
 gpm_applet_change_background_cb (GpmInhibitApplet *applet,
 				 MatePanelAppletBackgroundType arg1,
-#if GTK_CHECK_VERSION (3, 0, 0)
 				 cairo_pattern_t *arg2,
-#else
-				 GdkColor *arg2, GdkPixmap *arg3,
-#endif
 				 gpointer data)
 {
 	gtk_widget_queue_draw (GTK_WIDGET (applet));
@@ -645,13 +601,8 @@ gpm_inhibit_applet_init (GpmInhibitApplet *applet)
 	g_signal_connect (G_OBJECT(applet), "button-press-event",
 			  G_CALLBACK(gpm_applet_click_cb), NULL);
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 	g_signal_connect (G_OBJECT(applet), "draw",
 			  G_CALLBACK(gpm_applet_draw_cb), NULL);
-#else
-	g_signal_connect (G_OBJECT(applet), "expose-event",
-			  G_CALLBACK(gpm_applet_draw_cb), NULL);
-#endif
 
 	/* We use g_signal_connect_after because letting the panel draw
 	 * the background is the only way to have the correct
diff --git a/configure.ac b/configure.ac
index 024aef5..adca4a6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ(2.63)
 
-AC_INIT([mate-power-manager], [1.16.0], [http://www.mate-desktop.org/])
+AC_INIT([mate-power-manager], [1.17.0], [http://www.mate-desktop.org/])
 AC_CONFIG_SRCDIR(src)
 AM_INIT_AUTOMAKE([1.9 no-dist-gzip dist-xz check-news tar-ustar])
 AC_CONFIG_HEADERS([config.h])
@@ -120,53 +120,24 @@ dnl - Library dependencies
 dnl ----------------------------------------------------------------------------
 GLIB_REQUIRED=2.36.0
 GIO_REQUIRED=2.36.0
-GDK_REQUIRED=2.11.0
+GDK_REQUIRED=3.14.0
+GTK_REQUIRED=3.14.0
 GNOME_KEYRING_REQUIRED=3.0.0
 DBUS_REQUIRED=1.0
 DBUS_GLIB_REQUIRED=0.70
 LIBNOTIFY_REQUIRED=0.7.0
 CAIRO_REQUIRED=1.0.0
-UNIQUE_REQUIRED=0.9.4
-LIBPANEL_REQUIRED=1.5.0
+LIBPANEL_REQUIRED=1.17.0
 XRANDR_REQUIRED=1.3.0
 CANBERRA_REQUIRED=0.10
 UPOWER_REQUIRED=0.9.5
 
-dnl ----------------------------------------------------------------------------
-dnl GTK library version
-dnl ----------------------------------------------------------------------------
-
-AC_MSG_CHECKING([which gtk+ version to compile against])
-AC_ARG_WITH([gtk],
-	[AS_HELP_STRING([--with-gtk=2.0|3.0],[which gtk+ version to compile against (default: 2.0)])],
-	[case "$with_gtk" in
-		2.0|3.0) ;;
-		*) AC_MSG_ERROR([invalid gtk version specified]) ;;
-	 esac],
-	[with_gtk=2.0])
-AC_MSG_RESULT([$with_gtk])
-
-case "$with_gtk" in
-	2.0) GTK_API_VERSION=2.0
-		GTK_REQUIRED=2.24.0
-		CANBERRA_GTK=libcanberra-gtk
-		LIBUNIQUE_VERSION=1.0
-		;;
-	3.0) GTK_API_VERSION=3.0
-		GTK_REQUIRED=3.0.0
-		CANBERRA_GTK=libcanberra-gtk3
-		;;
-esac
-
-AM_CONDITIONAL([GTK3], [test $GTK_REQUIRED = 3.0.0])
-AC_SUBST(GTK_API_VERSION)
-
 dnl ---------------------------------------------------------------------------
 dnl - Check library dependencies
 dnl ---------------------------------------------------------------------------
 PKG_CHECK_MODULES(GLIB, glib-2.0 >= $GLIB_REQUIRED gobject-2.0 gio-2.0 >= $GIO_REQUIRED gio-unix-2.0)
 
-PKG_CHECK_MODULES(CANBERRA, $CANBERRA_GTK >= $CANBERRA_REQUIRED)
+PKG_CHECK_MODULES(CANBERRA, libcanberra-gtk3 >= $CANBERRA_REQUIRED)
 
 PKG_CHECK_MODULES(DBUS,[
  dbus-glib-1 >= $DBUS_GLIB_REQUIRED
@@ -174,12 +145,12 @@ PKG_CHECK_MODULES(DBUS,[
  gthread-2.0])
 
 PKG_CHECK_MODULES(CAIRO, [
- gtk+-$GTK_API_VERSION >= $GTK_REQUIRED
+ gtk+-3.0 >= $GTK_REQUIRED
  cairo >= $CAIRO_REQUIRED])
 
 PKG_CHECK_MODULES(GDK, [
- gdk-$GTK_API_VERSION >= $GDK_REQUIRED
- gdk-x11-$GTK_API_VERSION >= $GDK_REQUIRED])
+ gdk-3.0 >= $GDK_REQUIRED
+ gdk-x11-3.0 >= $GDK_REQUIRED])
 
 PKG_CHECK_MODULES(X11, [
  xrandr >= $XRANDR_REQUIRED
@@ -189,19 +160,6 @@ PKG_CHECK_MODULES(X11, x11 xrender)
 
 PKG_CHECK_MODULES(LIBNOTIFY, libnotify >= $LIBNOTIFY_REQUIRED)
 
-if test "$GTK_REQUIRED" != "3.0.0"; then
-PKG_CHECK_MODULES(UNIQUE, unique-$LIBUNIQUE_VERSION)
-
-AC_SUBST([UNIQUE_CFLAGS])
-AC_SUBST([UNIQUE_LIBS])
-
-# this deprecated stuff should be removed from unique in most distros
-# but it's still not removed upstream in unique 1.x, so leaving it alone
-# just in case.
-UNIQUE_CFLAGS="$UNIQUE_CFLAGS -DG_CONST_RETURN=const"
-fi
-
-
 PKG_CHECK_MODULES(UPOWER, upower-glib >= $UPOWER_REQUIRED)
 
 dnl ---------------------------------------------------------------------------
@@ -401,7 +359,6 @@ echo "
         gnome-keyring support:     ${with_keyring}
         Building extra applets:    ${enable_applets}
         Self test support:         ${have_tests}
-        GTK+ API version:          ${GTK_API_VERSION}
         Docbook support:           ${enable_docbook_docs}
         documentation dir:         $DOCDIR
         dbus-1 services dir:       $DBUS_SERVICES_DIR
diff --git a/src/Makefile.am b/src/Makefile.am
index 2d8ab23..48d071b 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -39,10 +39,6 @@ AM_CPPFLAGS =						\
 	-I$(top_srcdir)					\
 	$(DISABLE_DEPRECATED)
 
-if !GTK3
-AM_CPPFLAGS +=	$(UNIQUE_CFLAGS)
-endif
-
 AM_CPPFLAGS += $(NULL)
 
 bin_PROGRAMS =						\
@@ -85,12 +81,6 @@ libgpmshared_a_SOURCES =				\
 	gpm-upower.c					\
 	gpm-upower.h
 
-if !GTK3
-libgpmshared_a_SOURCES +=	egg-unique.h egg-unique.c
-endif
-
-libgpmshared_a_SOURCES += $(NULL)
-
 mate_power_backlight_helper_SOURCES =			\
 	gpm-backlight-helper.c				\
 	$(NULL)
@@ -121,10 +111,6 @@ mate_power_statistics_LDADD =				\
 	$(DBUS_LIBS)					\
 	-lm
 
-if !GTK3
-mate_power_statistics_LDADD += $(UNIQUE_LIBS)
-endif
-
 mate_power_statistics_CFLAGS =				\
 	$(WARNINGFLAGS)					\
 	$(NULL)
@@ -145,10 +131,6 @@ mate_power_preferences_LDADD =				\
 	$(UPOWER_LIBS)					\
 	-lm
 
-if !GTK3
-mate_power_preferences_LDADD += $(UNIQUE_LIBS)
-endif
-
 mate_power_preferences_CFLAGS =			\
 	$(WARNINGFLAGS)					\
 	$(NULL)
diff --git a/src/egg-unique.c b/src/egg-unique.c
deleted file mode 100644
index 41a5182..0000000
--- a/src/egg-unique.c
+++ /dev/null
@@ -1,151 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
- *
- * Copyright (C) 2008 Richard Hughes <[email protected]>
- *
- * Licensed under the GNU General Public License Version 2
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "config.h"
-
-#include <string.h>
-#include <glib.h>
-#include <unique/unique.h>
-
-#include "egg-unique.h"
-#include "egg-debug.h"
-
-static void     egg_unique_finalize   (GObject        *object);
-
-#define EGG_UNIQUE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), EGG_UNIQUE_TYPE, EggUniquePrivate))
-
-struct EggUniquePrivate
-{
-	UniqueApp		*uniqueapp;
-};
-
-enum {
-	ACTIVATED,
-	LAST_SIGNAL
-};
-
-static guint signals [LAST_SIGNAL] = { 0 };
-
-G_DEFINE_TYPE (EggUnique, egg_unique, G_TYPE_OBJECT)
-
-/**
- * egg_unique_message_cb:
- **/
-static void
-egg_unique_message_cb (UniqueApp *app, UniqueCommand command, UniqueMessageData *message_data, guint time_s, EggUnique *egg_unique)
-{
-	g_return_if_fail (EGG_IS_UNIQUE (egg_unique));
-	if (command == UNIQUE_ACTIVATE)
-		g_signal_emit (egg_unique, signals [ACTIVATED], 0);
-}
-
-/**
- * egg_unique_assign:
- * @egg_unique: This class instance
- * @service: The service name
- * Return value: %FALSE if we should exit as another instance is running
- **/
-gboolean
-egg_unique_assign (EggUnique *egg_unique, const gchar *service)
-{
-	g_return_val_if_fail (EGG_IS_UNIQUE (egg_unique), FALSE);
-	g_return_val_if_fail (service != NULL, FALSE);
-
-	if (egg_unique->priv->uniqueapp != NULL) {
-		g_warning ("already assigned!");
-		return FALSE;
-	}
-
-	/* check to see if the user has another instance open */
-	egg_unique->priv->uniqueapp = unique_app_new (service, NULL);
-	if (unique_app_is_running (egg_unique->priv->uniqueapp)) {
-		egg_debug ("You have another instance running. This program will now close");
-		unique_app_send_message (egg_unique->priv->uniqueapp, UNIQUE_ACTIVATE, NULL);
-		return FALSE;
-	}
-
-	/* Listen for messages from another instances */
-	g_signal_connect (G_OBJECT (egg_unique->priv->uniqueapp), "message-received",
-			  G_CALLBACK (egg_unique_message_cb), egg_unique);
-	return TRUE;
-}
-
-/**
- * egg_unique_class_init:
- * @egg_unique: This class instance
- **/
-static void
-egg_unique_class_init (EggUniqueClass *klass)
-{
-	GObjectClass *object_class = G_OBJECT_CLASS (klass);
-	object_class->finalize = egg_unique_finalize;
-	g_type_class_add_private (klass, sizeof (EggUniquePrivate));
-
-	signals [ACTIVATED] =
-		g_signal_new ("activated",
-			      G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST,
-			      G_STRUCT_OFFSET (EggUniqueClass, activated),
-			      NULL, NULL, g_cclosure_marshal_VOID__VOID,
-			      G_TYPE_NONE, 0);
-}
-
-/**
- * egg_unique_init:
- * @egg_unique: This class instance
- **/
-static void
-egg_unique_init (EggUnique *egg_unique)
-{
-	egg_unique->priv = EGG_UNIQUE_GET_PRIVATE (egg_unique);
-	egg_unique->priv->uniqueapp = NULL;
-}
-
-/**
- * egg_unique_finalize:
- * @object: This class instance
- **/
-static void
-egg_unique_finalize (GObject *object)
-{
-	EggUnique *egg_unique;
-	g_return_if_fail (object != NULL);
-	g_return_if_fail (EGG_IS_UNIQUE (object));
-
-	egg_unique = EGG_UNIQUE_OBJECT (object);
-	egg_unique->priv = EGG_UNIQUE_GET_PRIVATE (egg_unique);
-
-	if (egg_unique->priv->uniqueapp != NULL)
-		g_object_unref (egg_unique->priv->uniqueapp);
-	G_OBJECT_CLASS (egg_unique_parent_class)->finalize (object);
-}
-
-/**
- * egg_unique_new:
- * Return value: new class instance.
- **/
-EggUnique *
-egg_unique_new (void)
-{
-	EggUnique *egg_unique;
-	egg_unique = g_object_new (EGG_UNIQUE_TYPE, NULL);
-	return EGG_UNIQUE_OBJECT (egg_unique);
-}
-
diff --git a/src/egg-unique.h b/src/egg-unique.h
deleted file mode 100644
index 7259135..0000000
--- a/src/egg-unique.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
- *
- * Copyright (C) 2008 Richard Hughes <[email protected]>
- *
- * Licensed under the GNU General Public License Version 2
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifndef __EGG_UNIQUE_H
-#define __EGG_UNIQUE_H
-
-#include <glib-object.h>
-
-G_BEGIN_DECLS
-
-#define EGG_UNIQUE_TYPE		(egg_unique_get_type ())
-#define EGG_UNIQUE_OBJECT(o)	(G_TYPE_CHECK_INSTANCE_CAST ((o), EGG_UNIQUE_TYPE, EggUnique))
-#define EGG_UNIQUE_CLASS(k)	(G_TYPE_CHECK_CLASS_CAST((k), EGG_UNIQUE_TYPE, EggUniqueClass))
-#define EGG_IS_UNIQUE(o)	(G_TYPE_CHECK_INSTANCE_TYPE ((o), EGG_UNIQUE_TYPE))
-#define EGG_IS_UNIQUE_CLASS(k)	(G_TYPE_CHECK_CLASS_TYPE ((k), EGG_UNIQUE_TYPE))
-#define EGG_UNIQUE_GET_CLASS(o)	(G_TYPE_INSTANCE_GET_CLASS ((o), EGG_UNIQUE_TYPE, EggUniqueClass))
-
-typedef struct EggUniquePrivate EggUniquePrivate;
-
-typedef struct
-{
-	GObject		parent;
-	EggUniquePrivate *priv;
-} EggUnique;
-
-typedef struct
-{
-	GObjectClass	parent_class;
-	void		(* activated)		(EggUnique	*unique);
-} EggUniqueClass;
-
-GType		 egg_unique_get_type		(void);
-EggUnique	*egg_unique_new			(void);
-
-gboolean	 egg_unique_assign		(EggUnique	*unique,
-						 const gchar	*service);
-
-G_END_DECLS
-
-#endif	/* __EGG_UNIQUE_H */
-
diff --git a/src/gpm-backlight.c b/src/gpm-backlight.c
index 82841b3..0989640 100644
--- a/src/gpm-backlight.c
+++ b/src/gpm-backlight.c
@@ -55,10 +55,6 @@
 #include "gpm-icon-names.h"
 #include "egg-console-kit.h"
 
-#if !GTK_CHECK_VERSION(3,0,0)
-#define gtk_widget_get_preferred_size(x,y,z) gtk_widget_size_request(x,y)
-#endif
-
 #define GPM_BACKLIGHT_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GPM_TYPE_BACKLIGHT, GpmBacklightPrivate))
 
 struct GpmBacklightPrivate
@@ -214,11 +210,9 @@ gpm_backlight_dialog_show (GpmBacklight *backlight)
 	GdkScreen     *pointer_screen;
 	GdkRectangle   geometry;
 	int            monitor;
-#if GTK_CHECK_VERSION(3,0,0)
         GdkDisplay    *display;
         GdkDeviceManager *device_manager;
         GdkDevice     *device;
-#endif
 
 	/*
 	 * get the window size
@@ -236,7 +230,6 @@ gpm_backlight_dialog_show (GpmBacklight *backlight)
 	}
 
 	pointer_screen = NULL;
-#if GTK_CHECK_VERSION(3,0,0)
         display = gtk_widget_get_display (backlight->priv->popup);
         device_manager = gdk_display_get_device_manager (display);
         device = gdk_device_manager_get_client_pointer (device_manager);
@@ -244,13 +237,7 @@ gpm_backlight_dialog_show (GpmBacklight *backlight)
 				 &pointer_screen,
 				 &pointer_x,
 				 &pointer_y);
-#else
-	gdk_display_get_pointer (gtk_widget_get_display (backlight->priv->popup),
-				 &pointer_screen,
-				 &pointer_x,
-				 &pointer_y,
-				 NULL);
-#endif
+
 	monitor = gdk_screen_get_monitor_at_point (pointer_screen,
 						   pointer_x,
 						   pointer_y);
diff --git a/src/gpm-button.c b/src/gpm-button.c
index 8c2e808..cbf7f45 100644
--- a/src/gpm-button.c
+++ b/src/gpm-button.c
@@ -171,11 +171,7 @@ gpm_button_grab_keystring (GpmButton *button, guint64 keycode)
 
 	/* we are not processing the error */
 	gdk_flush ();
-#if GTK_CHECK_VERSION (3, 0, 0)
 	gdk_error_trap_pop_ignored ();
-#else
-	gdk_error_trap_pop ();
-#endif
 
 	egg_debug ("Grabbed modmask=%x, keycode=%li", modmask, (long int) keycode);
 	return TRUE;
diff --git a/src/gpm-graph-widget.c b/src/gpm-graph-widget.c
index af74ba7..a8acf46 100644
--- a/src/gpm-graph-widget.c
+++ b/src/gpm-graph-widget.c
@@ -24,6 +24,7 @@
 #include <pango/pangocairo.h>
 #include <glib/gi18n.h>
 #include <stdlib.h>
+#include <math.h>
 
 #include "gpm-common.h"
 #include "gpm-point-obj.h"
@@ -33,10 +34,6 @@
 #include "egg-color.h"
 #include "egg-precision.h"
 
-#if GTK_CHECK_VERSION (3, 0, 0)
-#include <math.h>
-#endif
-
 G_DEFINE_TYPE (GpmGraphWidget, gpm_graph_widget, GTK_TYPE_DRAWING_AREA);
 #define GPM_GRAPH_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GPM_TYPE_GRAPH_WIDGET, GpmGraphWidgetPrivate))
 #define GPM_GRAPH_WIDGET_FONT "Sans 8"
@@ -73,11 +70,7 @@ struct GpmGraphWidgetPrivate
 	GPtrArray		*plot_list;
 };
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 static gboolean gpm_graph_widget_draw (GtkWidget *graph, cairo_t *cr);
-#else
-static gboolean gpm_graph_widget_expose (GtkWidget *graph, GdkEventExpose *event);
-#endif
 static void	gpm_graph_widget_finalize (GObject *object);
 
 enum
@@ -241,11 +234,7 @@ gpm_graph_widget_class_init (GpmGraphWidgetClass *class)
 	GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
 	GObjectClass *object_class = G_OBJECT_CLASS (class);
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 	widget_class->draw = gpm_graph_widget_draw;
-#else
-	widget_class->expose_event = gpm_graph_widget_expose;
-#endif
 	object_class->get_property = up_graph_get_property;
 	object_class->set_property = up_graph_set_property;
 	object_class->finalize = gpm_graph_widget_finalize;
@@ -1075,7 +1064,6 @@ gpm_graph_widget_legend_calculate_size (GpmGraphWidget *graph, cairo_t *cr,
 	return TRUE;
 }
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 /**
  * gpm_graph_widget_draw:
  * @graph: This class instance
@@ -1111,43 +1099,6 @@ gpm_graph_widget_draw (GtkWidget *widget, cairo_t *cr)
 	graph->priv->box_y = 5;
 
 	gtk_widget_get_allocation (widget, &allocation);
-#else
-/**
- * gpm_graph_widget_draw_graph:
- * @graph: This class instance
- * @cr: Cairo drawing context
- *
- * Draw the complete graph, with the box, the grid, the labels and the line.
- **/
-static void
-gpm_graph_widget_draw_graph (GtkWidget *graph_widget, cairo_t *cr)
-{
-	GtkAllocation allocation;
-	gint legend_x = 0;
-	gint legend_y = 0;
-	guint legend_height = 0;
-	guint legend_width = 0;
-	gfloat data_x;
-	gfloat data_y;
-
-	GpmGraphWidget *graph = (GpmGraphWidget*) graph_widget;
-	g_return_if_fail (graph != NULL);
-	g_return_if_fail (GPM_IS_GRAPH_WIDGET (graph));
-
-	gpm_graph_widget_legend_calculate_size (graph, cr, &legend_width, &legend_height);
-	cairo_save (cr);
-
-	/* we need this so we know the y text */
-	if (graph->priv->autorange_x)
-		gpm_graph_widget_autorange_x (graph);
-	if (graph->priv->autorange_y)
-		gpm_graph_widget_autorange_y (graph);
-
-	graph->priv->box_x = gpm_graph_widget_get_y_label_max_width (graph, cr) + 10;
-	graph->priv->box_y = 5;
-
-	gtk_widget_get_allocation (graph_widget, &allocation);
-#endif
 	graph->priv->box_height = allocation.height - (20 + graph->priv->box_y);
 
 	/* make size adjustment for legend */
@@ -1180,38 +1131,8 @@ gpm_graph_widget_draw_graph (GtkWidget *graph_widget, cairo_t *cr)
 		gpm_graph_widget_draw_legend (graph, legend_x, legend_y, legend_width, legend_height);
 
 	cairo_restore (cr);
-#if GTK_CHECK_VERSION (3, 0, 0)
-	return FALSE;
-#endif
-}
-
-#if !GTK_CHECK_VERSION (3, 0, 0)
-/**
- * gpm_graph_widget_expose:
- * @graph: This class instance
- * @event: The expose event
- *
- * Just repaint the entire graph widget on expose.
- **/
-static gboolean
-gpm_graph_widget_expose (GtkWidget *graph, GdkEventExpose *event)
-{
-	cairo_t *cr;
-
-	/* get a cairo_t */
-	cr = gdk_cairo_create (gtk_widget_get_window (graph));
-	cairo_rectangle (cr,
-			 event->area.x, event->area.y,
-			 event->area.width, event->area.height);
-	cairo_clip (cr);
-	((GpmGraphWidget *)graph)->priv->cr = cr;
-
-	gpm_graph_widget_draw_graph (graph, cr);
-
-	cairo_destroy (cr);
 	return FALSE;
 }
-#endif
 
 /**
  * gpm_graph_widget_new:
diff --git a/src/gpm-idle.c b/src/gpm-idle.c
index a593fe9..d2e92e0 100644
--- a/src/gpm-idle.c
+++ b/src/gpm-idle.c
@@ -36,7 +36,6 @@
 
 #include <glib.h>
 #include <glib/gi18n.h>
-#include <gtk/gtk.h>
 
 #include "egg-debug.h"
 #include "egg-idletime.h"
diff --git a/src/gpm-kbd-backlight.c b/src/gpm-kbd-backlight.c
index cdfadbc..ae8e0fa 100644
--- a/src/gpm-kbd-backlight.c
+++ b/src/gpm-kbd-backlight.c
@@ -32,10 +32,6 @@
 #include "gpm-kbd-backlight.h"
 #include "gsd-media-keys-window.h"
 
-#if !GTK_CHECK_VERSION(3,0,0)
-#define gtk_widget_get_preferred_size(x,y,z) gtk_widget_size_request(x,y)
-#endif
-
 #define GPM_KBD_BACKLIGHT_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GPM_TYPE_KBD_BACKLIGHT, GpmKbdBacklightPrivate))
 
 struct GpmKbdBacklightPrivate
@@ -190,11 +186,9 @@ gpm_kbd_backlight_dialog_show (GpmKbdBacklight *backlight)
 	GdkScreen     *pointer_screen;
 	GdkRectangle   geometry;
 	int            monitor;
-#if GTK_CHECK_VERSION(3,0,0)
         GdkDisplay    *display;
         GdkDeviceManager *device_manager;
         GdkDevice     *device;
-#endif
 
 	/*
 	 * get the window size
@@ -212,7 +206,6 @@ gpm_kbd_backlight_dialog_show (GpmKbdBacklight *backlight)
 	}
 
 	pointer_screen = NULL;
-#if GTK_CHECK_VERSION(3,0,0)
         display = gtk_widget_get_display (backlight->priv->popup);
         device_manager = gdk_display_get_device_manager (display);
         device = gdk_device_manager_get_client_pointer (device_manager);
@@ -220,13 +213,7 @@ gpm_kbd_backlight_dialog_show (GpmKbdBacklight *backlight)
 				 &pointer_screen,
 				 &pointer_x,
 				 &pointer_y);
-#else
-	gdk_display_get_pointer (gtk_widget_get_display (backlight->priv->popup),
-				 &pointer_screen,
-				 &pointer_x,
-				 &pointer_y,
-				 NULL);
-#endif
+
 	monitor = gdk_screen_get_monitor_at_point (pointer_screen,
 						   pointer_x,
 						   pointer_y);
diff --git a/src/gpm-prefs-core.c b/src/gpm-prefs-core.c
index 2a2459f..b33ff22 100644
--- a/src/gpm-prefs-core.c
+++ b/src/gpm-prefs-core.c
@@ -110,17 +110,11 @@ gpm_prefs_class_init (GpmPrefsClass *klass)
  * Activates (shows) the window.
  **/
 void
-#if GTK_CHECK_VERSION (3, 0, 0)
 gpm_prefs_activate_window (GtkApplication *app, GpmPrefs *prefs)
-#else
-gpm_prefs_activate_window (GpmPrefs *prefs)
-#endif
 {
 	GtkWindow *window;
 	window = GTK_WINDOW (gtk_builder_get_object (prefs->priv->builder, "dialog_preferences"));
-#if GTK_CHECK_VERSION (3, 0, 0)
 	gtk_application_add_window (GTK_APPLICATION (app), window);
-#endif
 	gtk_window_present (window);
 }
 
@@ -871,10 +865,6 @@ gpm_prefs_init (GpmPrefs *prefs)
 	prefs_setup_ups (prefs);
 	prefs_setup_general (prefs);
 	prefs_setup_notification (prefs);
-
-#if !GTK_CHECK_VERSION (3, 0, 0)
-	gtk_widget_show (main_window);
-#endif
 }
 
 /**
diff --git a/src/gpm-prefs-core.h b/src/gpm-prefs-core.h
index ed8f936..6810d4d 100644
--- a/src/gpm-prefs-core.h
+++ b/src/gpm-prefs-core.h
@@ -50,12 +50,8 @@ typedef struct
 
 GType		 gpm_prefs_get_type			(void);
 GpmPrefs	*gpm_prefs_new				(void);
-#if GTK_CHECK_VERSION (3, 0, 0)
 GtkWidget	*gpm_window				(GpmPrefs	*prefs);
 void		 gpm_prefs_activate_window		(GtkApplication *app, GpmPrefs	*prefs);
-#else
-void		 gpm_prefs_activate_window		(GpmPrefs	*prefs);
-#endif
 
 G_END_DECLS
 
diff --git a/src/gpm-prefs.c b/src/gpm-prefs.c
index ad3c3a2..4785cc0 100644
--- a/src/gpm-prefs.c
+++ b/src/gpm-prefs.c
@@ -30,11 +30,6 @@
 #include <glib/gi18n.h>
 #include <gtk/gtk.h>
 
-/* local .la */
-#if !GTK_CHECK_VERSION (3, 0, 0)
-#include <egg-unique.h>
-#endif
-
 #include "gpm-common.h"
 #include "egg-debug.h"
 #include "gpm-prefs-core.h"
@@ -58,17 +53,10 @@ gpm_prefs_help_cb (GpmPrefs *prefs)
  * We have been asked to show the window
  **/
 static void
-#if GTK_CHECK_VERSION (3, 0, 0)
 gpm_prefs_activated_cb (GtkApplication *app, GpmPrefs *prefs)
 {
 	gpm_prefs_activate_window (app, prefs);
 }
-#else
-gpm_prefs_activated_cb (EggUnique *egg_unique, GpmPrefs *prefs)
-{
-	gpm_prefs_activate_window (prefs);
-}
-#endif
 
 /**
  * main:
@@ -80,13 +68,9 @@ main (int argc, char **argv)
 	GOptionContext *context;
 	GpmPrefs *prefs = NULL;
 	gboolean ret;
-#if GTK_CHECK_VERSION (3, 0, 0)
 	GtkApplication *app;
 	GtkWidget *window;
 	gint status;
-#else
-	EggUnique *egg_unique;
-#endif
 
 	const GOptionEntry options[] = {
 		{ "verbose", '\0', 0, G_OPTION_ARG_NONE, &verbose,
@@ -105,62 +89,28 @@ main (int argc, char **argv)
 	g_option_context_add_group (context, gtk_get_option_group (FALSE));
 	g_option_context_parse (context, &argc, &argv, NULL);
 
-#if !GTK_CHECK_VERSION (3, 0, 0)
-	gtk_init (&argc, &argv);
-#endif
 	egg_debug_init (verbose);
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 	gdk_init (&argc, &argv);
 	app = gtk_application_new("org.mate.PowerManager.Preferences", 0);
-#else
-	/* are we already activated? */
-	egg_unique = egg_unique_new ();
-	ret = egg_unique_assign (egg_unique, "org.mate.PowerManager.Preferences");
-	if (!ret) {
-		goto unique_out;
-	}
-#endif
 
 	prefs = gpm_prefs_new ();
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 	window = gpm_window (prefs);
 	g_signal_connect (app, "activate",
-#else
-	g_signal_connect (egg_unique, "activated",
-#endif
 			  G_CALLBACK (gpm_prefs_activated_cb), prefs);
 	g_signal_connect (prefs, "action-help",
 			  G_CALLBACK (gpm_prefs_help_cb), prefs);
-#if GTK_CHECK_VERSION (3, 0, 0)
 	g_signal_connect_swapped (prefs, "action-close",
 			  G_CALLBACK (gtk_widget_destroy), window);
-#else
-	g_signal_connect_swapped (prefs, "action-close",
-			  G_CALLBACK (gtk_main_quit), NULL);
-#endif
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 	status = g_application_run (G_APPLICATION (app), argc, argv);
-#else
-	gtk_main ();
-#endif
 	g_object_unref (prefs);
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 	g_object_unref (app);
-#else
-unique_out:
-	g_object_unref (egg_unique);
-#endif
 
 /* seems to not work...
 	g_option_context_free (context); */
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 	return status;
-#else
-	return 0;
-#endif
 }
diff --git a/src/gpm-statistics.c b/src/gpm-statistics.c
index 21a0a52..af24fbb 100644
--- a/src/gpm-statistics.c
+++ b/src/gpm-statistics.c
@@ -33,9 +33,6 @@
 #include "egg-debug.h"
 #include "egg-color.h"
 #include "egg-array-float.h"
-#if !GTK_CHECK_VERSION (3, 0, 0)
-#include "egg-unique.h"
-#endif
 
 #include "gpm-common.h"
 #include "gpm-icon-names.h"
@@ -1177,17 +1174,11 @@ gpm_stats_devices_treeview_clicked_cb (GtkTreeSelection *selection, gboolean dat
  * gpm_stats_window_activated_cb
  **/
 static void
-#if GTK_CHECK_VERSION (3, 0, 0)
 gpm_stats_window_activated_cb (GtkApplication *app, gpointer data)
-#else
-gpm_stats_window_activated_cb (EggUnique *egg_unique, gpointer data)
-#endif
 {
 	GtkWidget *widget;
 	widget = GTK_WIDGET (gtk_builder_get_object (builder, "dialog_stats"));
-#if GTK_CHECK_VERSION (3, 0, 0)
 	gtk_application_add_window (GTK_APPLICATION (app), GTK_WINDOW (widget));
-#endif
 	gtk_window_present (GTK_WINDOW (widget));
 }
 
@@ -1571,12 +1562,8 @@ main (int argc, char *argv[])
 	GtkBox *box;
 	GtkWidget *widget, *window;
 	GtkTreeSelection *selection;
-#if GTK_CHECK_VERSION (3, 0, 0)
 	GtkApplication *app;
 	gint status;
-#else
-	EggUnique *egg_unique;
-#endif
 	gboolean ret;
 	UpClient *client;
 	GPtrArray *devices = NULL;
@@ -1617,21 +1604,9 @@ main (int argc, char *argv[])
 	egg_debug_init (verbose);
 	gtk_init (&argc, &argv);
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 	app = gtk_application_new ("org.mate.PowerManager.Statistics", 0);
-#else
-	/* are we already activated? */
-	egg_unique = egg_unique_new ();
-	ret = egg_unique_assign (egg_unique, "org.mate.PowerManager.Statistics");
-	if (!ret)
-		goto unique_out;
-#endif
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 	g_signal_connect (app, "activate",
-#else
-	g_signal_connect (egg_unique, "activated",
-#endif
 			  G_CALLBACK (gpm_stats_window_activated_cb), NULL);
 
 	/* add application specific icons to search path */
@@ -1669,13 +1644,8 @@ main (int argc, char *argv[])
 
 	/* Get the main window quit */
 	widget = GTK_WIDGET (gtk_builder_get_object (builder, "button_close"));
-#if GTK_CHECK_VERSION (3, 0, 0)
 	g_signal_connect_swapped (window, "delete_event", G_CALLBACK (gtk_widget_destroy), window);
 	g_signal_connect_swapped (widget, "clicked", G_CALLBACK (gtk_widget_destroy), window);
-#else
-	g_signal_connect_swapped (window, "delete_event", G_CALLBACK (gtk_main_quit), NULL);
-	g_signal_connect_swapped (widget, "clicked", G_CALLBACK (gtk_main_quit), NULL);
-#endif
 	gtk_widget_grab_default (widget);
 
 	widget = GTK_WIDGET (gtk_builder_get_object (builder, "button_help"));
@@ -1877,12 +1847,7 @@ main (int argc, char *argv[])
 
 	widget = GTK_WIDGET (gtk_builder_get_object (builder, "dialog_stats"));
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 	status = g_application_run (G_APPLICATION (app), argc, argv);
-#else
-	gtk_widget_show (widget);
-	gtk_main ();
-#endif
 #if !UP_CHECK_VERSION(0, 99, 0)
 out:
 #endif
@@ -1894,16 +1859,7 @@ out:
 	g_object_unref (wakeups);
 	g_object_unref (builder);
 	g_object_unref (list_store_info);
-#if GTK_CHECK_VERSION (3, 0, 0)
 	g_object_unref (app);
-#else
-unique_out:
-	g_object_unref (egg_unique);
-#endif
 	g_free (last_device);
-#if GTK_CHECK_VERSION (3, 0, 0)
 	return status;
-#else
-	return 0;
-#endif
 }
diff --git a/src/gpm-tray-icon.c b/src/gpm-tray-icon.c
index 052af38..3bcd09b 100644
--- a/src/gpm-tray-icon.c
+++ b/src/gpm-tray-icon.c
@@ -355,7 +355,6 @@ gpm_tray_icon_create_menu (GpmTrayIcon *icon)
 			  G_CALLBACK (gpm_tray_icon_show_preferences_cb), icon);
 	gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
 	
-#if GTK_CHECK_VERSION (3, 0, 0)
 	/*Set up custom panel menu theme support-gtk3 only */
 	GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (menu));
 	/* Fix any failures of compiz/other wm's to communicate with gtk for transparency in menu theme */
@@ -367,7 +366,6 @@ gpm_tray_icon_create_menu (GpmTrayIcon *icon)
 	context = gtk_widget_get_style_context (GTK_WIDGET(toplevel));
 	gtk_style_context_add_class(context,"gnome-panel-menu-bar");
 	gtk_style_context_add_class(context,"mate-panel-menu-bar");
-#endif
 
 	/* about */
 	item = gtk_image_menu_item_new_from_stock (GTK_STOCK_ABOUT, NULL);
diff --git a/src/gsd-media-keys-window.c b/src/gsd-media-keys-window.c
index cec33f9..e59ba44 100644
--- a/src/gsd-media-keys-window.c
+++ b/src/gsd-media-keys-window.c
@@ -402,29 +402,14 @@ draw_volume_boxes (MsdMediaKeysWindow *window,
                    double              height)
 {
         gdouble   x1;
-#if GTK_CHECK_VERSION (3, 0, 0)
         GtkStyleContext *context;
-#else
-        GdkColor  color;
-        double    r, g, b;
-        GtkStyle *style;
-#endif
 
-#if !GTK_CHECK_VERSION (3, 0, 0)
-        _x0 += 0.5;
-        _y0 += 0.5;
-#endif
         height = round (height) - 1;
         width = round (width) - 1;
         x1 = round ((width - 1) * percentage);
-#if GTK_CHECK_VERSION (3, 0, 0)
         context = gtk_widget_get_style_context (GTK_WIDGET (window));
-#else
-        style = gtk_widget_get_style (GTK_WIDGET (window));
-#endif
 
         /* bar background */
-#if GTK_CHECK_VERSION (3, 0, 0)
         gtk_style_context_save (context);
         gtk_style_context_add_class (context, GTK_STYLE_CLASS_TROUGH);
 
@@ -444,35 +429,6 @@ draw_volume_boxes (MsdMediaKeysWindow *window,
         gtk_render_frame (context, cr, _x0 + 0.5, _y0 + 0.5, x1, height -1 );
 
         gtk_style_context_restore (context);
-#else
-        msd_osd_window_color_reverse (&style->dark[GTK_STATE_NORMAL], &color);
-        r = (float)color.red / 65535.0;
-        g = (float)color.green / 65535.0;
-        b = (float)color.blue / 65535.0;
-        msd_osd_window_draw_rounded_rectangle (cr, 1.0, _x0, _y0, height / 6, width, height);
-        cairo_set_source_rgba (cr, r, g, b, MSD_OSD_WINDOW_FG_ALPHA / 2);
-        cairo_fill_preserve (cr);
-
-        /* bar border */
-        msd_osd_window_color_reverse (&style->light[GTK_STATE_NORMAL], &color);
-        r = (float)color.red / 65535.0;
-        g = (float)color.green / 65535.0;
-        b = (float)color.blue / 65535.0;
-        cairo_set_source_rgba (cr, r, g, b, MSD_OSD_WINDOW_FG_ALPHA / 2);
-        cairo_set_line_width (cr, 1);
-        cairo_stroke (cr);
-
-        /* bar progress */
-        if (percentage < 0.01)
-                return;
-        color = style->bg[GTK_STATE_NORMAL];
-        r = (float)color.red / 65535.0;
-        g = (float)color.green / 65535.0;
-        b = (float)color.blue / 65535.0;
-        msd_osd_window_draw_rounded_rectangle (cr, 1.0, _x0 + 0.5, _y0 + 0.5, height / 6 - 0.5, x1, height - 1);
-        cairo_set_source_rgba (cr, r, g, b, MSD_OSD_WINDOW_FG_ALPHA);
-        cairo_fill (cr);
-#endif
 }
 
 static void
@@ -664,11 +620,7 @@ draw_action_custom (MsdMediaKeysWindow *window,
 }
 
 static void
-#if GTK_CHECK_VERSION (3, 0, 0)
 msd_media_keys_window_draw_when_composited (MsdOsdWindow *osd_window,
-#else
-msd_media_keys_window_expose_when_composited (MsdOsdWindow *osd_window,
-#endif
                                               cairo_t      *cr)
 {
         MsdMediaKeysWindow *window = MSD_MEDIA_KEYS_WINDOW (osd_window);
@@ -690,11 +642,7 @@ msd_media_keys_window_class_init (MsdMediaKeysWindowClass *klass)
 {
         MsdOsdWindowClass *osd_window_class = MSD_OSD_WINDOW_CLASS (klass);
 
-#if GTK_CHECK_VERSION (3, 0, 0)
         osd_window_class->draw_when_composited = msd_media_keys_window_draw_when_composited;
-#else
-        osd_window_class->expose_when_composited = msd_media_keys_window_expose_when_composited;
-#endif
 
         g_type_class_add_private (klass, sizeof (MsdMediaKeysWindowPrivate));
 }
diff --git a/src/msd-osd-window.c b/src/msd-osd-window.c
index 1b97df1..d40cd13 100644
--- a/src/msd-osd-window.c
+++ b/src/msd-osd-window.c
@@ -55,11 +55,7 @@ struct MsdOsdWindowPrivate
 };
 
 enum {
-#if GTK_CHECK_VERSION (3, 0, 0)
         DRAW_WHEN_COMPOSITED,
-#else
-        EXPOSE_WHEN_COMPOSITED,
-#endif
         LAST_SIGNAL
 };
 
@@ -143,137 +139,27 @@ add_hide_timeout (MsdOsdWindow *window)
                                                        window);
 }
 
-#if !GTK_CHECK_VERSION (3, 0, 0)
-void
-msd_osd_window_draw_rounded_rectangle (cairo_t* cr,
-                                       gdouble  aspect,
-                                       gdouble  x,
-                                       gdouble  y,
-                                       gdouble  corner_radius,
-                                       gdouble  width,
-                                       gdouble  height)
-{
-        gdouble radius = corner_radius / aspect;
-
-        cairo_move_to (cr, x + radius, y);
-
-        cairo_line_to (cr,
-                       x + width - radius,
-                       y);
-        cairo_arc (cr,
-                   x + width - radius,
-                   y + radius,
-                   radius,
-                   -90.0f * G_PI / 180.0f,
-                   0.0f * G_PI / 180.0f);
-        cairo_line_to (cr,
-                       x + width,
-                       y + height - radius);
-        cairo_arc (cr,
-                   x + width - radius,
-                   y + height - radius,
-                   radius,
-                   0.0f * G_PI / 180.0f,
-                   90.0f * G_PI / 180.0f);
-        cairo_line_to (cr,
-                       x + radius,
-                       y + height);
-        cairo_arc (cr,
-                   x + radius,
-                   y + height - radius,
-                   radius,
-                   90.0f * G_PI / 180.0f,
-                   180.0f * G_PI / 180.0f);
-        cairo_line_to (cr,
-                       x,
-                       y + radius);
-        cairo_arc (cr,
-                   x + radius,
-                   y + radius,
-                   radius,
-                   180.0f * G_PI / 180.0f,
-                   270.0f * G_PI / 180.0f);
-        cairo_close_path (cr);
-}
-
-void
-msd_osd_window_color_reverse (const GdkColor *a,
-                              GdkColor       *b)
-{
-        gdouble red;
-        gdouble green;
-        gdouble blue;
-        gdouble h;
-        gdouble s;
-        gdouble v;
-
-        red = (gdouble) a->red / 65535.0;
-        green = (gdouble) a->green / 65535.0;
-        blue = (gdouble) a->blue / 65535.0;
-
-        gtk_rgb_to_hsv (red, green, blue, &h, &s, &v);
-
-        v = 0.5 + (0.5 - v);
-        if (v > 1.0)
-                v = 1.0;
-        else if (v < 0.0)
-                v = 0.0;
-
-        gtk_hsv_to_rgb (h, s, v, &red, &green, &blue);
-
-        b->red = red * 65535.0;
-        b->green = green * 65535.0;
-        b->blue = blue * 65535.0;
-}
-#endif
-
-/* This is our expose-event handler when the window is in a compositing manager.
+/* This is our draw-event handler when the window is in a compositing manager.
  * We draw everything by hand, using Cairo, so that we can have a nice
  * transparent/rounded look.
  */
 static void
-#if GTK_CHECK_VERSION (3, 0, 0)
 draw_when_composited (GtkWidget *widget, cairo_t *orig_cr)
-#else
-expose_when_composited (GtkWidget *widget, GdkEventExpose *event)
-#endif
 {
         MsdOsdWindow    *window;
-#if !GTK_CHECK_VERSION (3, 0, 0)
-        cairo_t         *context;
-#endif
         cairo_t         *cr;
         cairo_surface_t *surface;
         int              width;
         int              height;
-#if GTK_CHECK_VERSION (3, 0, 0)
         GtkStyleContext *context;
-#else
-        GtkStyle        *style;
-        GdkColor         color;
-        double           r, g, b;
-#endif
 
         window = MSD_OSD_WINDOW (widget);
 
-#if !GTK_CHECK_VERSION (3, 0, 0)
-        context = gdk_cairo_create (gtk_widget_get_window (widget));
-#endif
-
-#if GTK_CHECK_VERSION (3, 0, 0)
         context = gtk_widget_get_style_context (widget);
         cairo_set_operator (orig_cr, CAIRO_OPERATOR_SOURCE);
-#else
-        style = gtk_widget_get_style (widget);
-        cairo_set_operator (context, CAIRO_OPERATOR_SOURCE);
-#endif
         gtk_window_get_size (GTK_WINDOW (widget), &width, &height);
 
-#if GTK_CHECK_VERSION (3, 0, 0)
         surface = cairo_surface_create_similar (cairo_get_target (orig_cr),
-#else
-        surface = cairo_surface_create_similar (cairo_get_target (context),
-#endif
                                                 CAIRO_CONTENT_COLOR_ALPHA,
                                                 width,
                                                 height);
@@ -286,66 +172,26 @@ expose_when_composited (GtkWidget *widget, GdkEventExpose *event)
         if (cairo_status (cr) != CAIRO_STATUS_SUCCESS) {
                 goto done;
         }
-#if !GTK_CHECK_VERSION (3, 0, 0)
-        cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 0.0);
-        cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
-        cairo_paint (cr);
-#endif
 
-#if GTK_CHECK_VERSION (3, 0, 0)
         gtk_render_background (context, cr, 0, 0, width, height);
         gtk_render_frame (context, cr, 0, 0, width, height);
-#else
-        /* draw a box */
-        msd_osd_window_draw_rounded_rectangle (cr, 1.0, 0.5, 0.5, height / 10, width-1, height-1);
-        msd_osd_window_color_reverse (&style->bg[GTK_STATE_NORMAL], &color);
-        r = (float)color.red / 65535.0;
-        g = (float)color.green / 65535.0;
-        b = (float)color.blue / 65535.0;
-        cairo_set_source_rgba (cr, r, g, b, BG_ALPHA);
-        cairo_fill_preserve (cr);
-
-        msd_osd_window_color_reverse (&style->text_aa[GTK_STATE_NORMAL], &color);
-        r = (float)color.red / 65535.0;
-        g = (float)color.green / 65535.0;
-        b = (float)color.blue / 65535.0;
-        cairo_set_source_rgba (cr, r, g, b, BG_ALPHA / 2);
-        cairo_set_line_width (cr, 1);
-        cairo_stroke (cr);
-#endif
 
-#if GTK_CHECK_VERSION (3, 0, 0)
         g_signal_emit (window, signals[DRAW_WHEN_COMPOSITED], 0, cr);
-#else
-        g_signal_emit (window, signals[EXPOSE_WHEN_COMPOSITED], 0, cr);
-#endif
 
         cairo_destroy (cr);
 
         /* Make sure we have a transparent background */
-#if GTK_CHECK_VERSION (3, 0, 0)
         cairo_rectangle (orig_cr, 0, 0, width, height);
         cairo_set_source_rgba (orig_cr, 0.0, 0.0, 0.0, 0.0);
         cairo_fill (orig_cr);
 
         cairo_set_source_surface (orig_cr, surface, 0, 0);
         cairo_paint_with_alpha (orig_cr, window->priv->fade_out_alpha);
-#else
-        cairo_rectangle (context, 0, 0, width, height);
-        cairo_set_source_rgba (context, 0.0, 0.0, 0.0, 0.0);
-        cairo_fill (context);
-
-        cairo_set_source_surface (context, surface, 0, 0);
-        cairo_paint_with_alpha (context, window->priv->fade_out_alpha);
-#endif
 
 done:
         if (surface != NULL) {
                 cairo_surface_destroy (surface);
         }
-#if !GTK_CHECK_VERSION (3, 0, 0)
-        cairo_destroy (context);
-#endif
 }
 
 /* This is our expose/draw-event handler when the window is *not* in a compositing manager.
@@ -354,7 +200,6 @@ done:
  * either case (composited or non-composited), callers can assume that this works
  * identically to a GtkWindow without any intermediate widgetry.
  */
-#if GTK_CHECK_VERSION (3, 0, 0)
 static void
 draw_when_not_composited (GtkWidget *widget, cairo_t *cr)
 {
@@ -374,29 +219,7 @@ draw_when_not_composited (GtkWidget *widget, cairo_t *cr)
                           width,
                           height);
 }
-#else
-static void
-expose_when_not_composited (GtkWidget *widget, GdkEventExpose *event)
-{
-	GtkAllocation allocation;
-
-	gtk_widget_get_allocation (widget, &allocation);
-
-	gtk_paint_shadow (gtk_widget_get_style (widget),
-			  gtk_widget_get_window (widget),
-			  gtk_widget_get_state (widget),
-			  GTK_SHADOW_OUT,
-			  &event->area,
-			  widget,
-			  NULL, /* NULL detail -> themes should use the MsdOsdWindow widget name, probably */
-			  0,
-			  0,
-			  allocation.width,
-			  allocation.height);
-}
-#endif
 
-#if GTK_CHECK_VERSION (3, 0, 0)
 static gboolean
 msd_osd_window_draw (GtkWidget *widget,
                      cairo_t   *cr)
@@ -417,28 +240,6 @@ msd_osd_window_draw (GtkWidget *widget,
 
 	return FALSE;
 }
-#else
-static gboolean
-msd_osd_window_expose_event (GtkWidget          *widget,
-                             GdkEventExpose     *event)
-{
-	MsdOsdWindow *window;
-	GtkWidget *child;
-
-	window = MSD_OSD_WINDOW (widget);
-
-	if (window->priv->is_composited)
-		expose_when_composited (widget, event);
-	else
-		expose_when_not_composited (widget, event);
-
-	child = gtk_bin_get_child (GTK_BIN (window));
-	if (child)
-		gtk_container_propagate_expose (GTK_CONTAINER (window), child, event);
-
-	return FALSE;
-}
-#endif
 
 static void
 msd_osd_window_real_show (GtkWidget *widget)
@@ -470,7 +271,6 @@ msd_osd_window_real_hide (GtkWidget *widget)
 static void
 msd_osd_window_real_realize (GtkWidget *widget)
 {
-#if GTK_CHECK_VERSION (3, 0, 0)
         GdkScreen *screen;
         GdkVisual *visual;
         cairo_region_t *region;
@@ -492,40 +292,8 @@ msd_osd_window_real_realize (GtkWidget *widget)
         region = cairo_region_create ();
         gtk_widget_input_shape_combine_region (widget, region);
         cairo_region_destroy (region);
-#else
-        GdkColormap *colormap;
-        GtkAllocation allocation;
-        GdkBitmap *mask;
-        cairo_t *cr;
-
-        colormap = gdk_screen_get_rgba_colormap (gtk_widget_get_screen (widget));
-
-        if (colormap != NULL) {
-                gtk_widget_set_colormap (widget, colormap);
-        }
-
-        if (GTK_WIDGET_CLASS (msd_osd_window_parent_class)->realize) {
-                GTK_WIDGET_CLASS (msd_osd_window_parent_class)->realize (widget);
-        }
-
-        gtk_widget_get_allocation (widget, &allocation);
-        mask = gdk_pixmap_new (gtk_widget_get_window (widget),
-                               allocation.width,
-                               allocation.height,
-                               1);
-        cr = gdk_cairo_create (mask);
-
-        cairo_set_source_rgba (cr, 1., 1., 1., 0.);
-        cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
-        cairo_paint (cr);
-
-        /* make the whole window ignore events */
-        gdk_window_input_shape_combine_mask (gtk_widget_get_window (widget), mask, 0, 0);
-        g_object_unref (mask);
-        cairo_destroy (cr);
-#endif
 }
-#if GTK_CHECK_VERSION (3, 0, 0)
+
 static void
 msd_osd_window_style_updated (GtkWidget *widget)
 {
@@ -543,25 +311,7 @@ msd_osd_window_style_updated (GtkWidget *widget)
         gtk_style_context_get_padding (context, GTK_STATE_FLAG_NORMAL, &padding);
         gtk_container_set_border_width (GTK_CONTAINER (widget), 12 + MAX (padding.left, padding.top));
 }
-#else
-static void
-msd_osd_window_style_set (GtkWidget *widget,
-                          GtkStyle  *previous_style)
-{
-        GtkStyle *style;
-
-        GTK_WIDGET_CLASS (msd_osd_window_parent_class)->style_set (widget, previous_style);
 
-        /* We set our border width to 12 (per the MATE standard), plus the
-         * thickness of the frame that we draw in our expose handler.  This will
-         * make our child be 12 pixels away from the frame.
-         */
-
-        style = gtk_widget_get_style (widget);
-        gtk_container_set_border_width (GTK_CONTAINER (widget), 12 + MAX (style->xthickness, style->ythickness));
-}
-#endif
-#if GTK_CHECK_VERSION (3, 0, 0)
 static void
 msd_osd_window_get_preferred_width (GtkWidget *widget,
                                     gint      *minimum,
@@ -599,23 +349,6 @@ msd_osd_window_get_preferred_height (GtkWidget *widget,
         *minimum += padding.top;
         *natural += padding.top;
 }
-#else
-static void
-msd_osd_window_size_request (GtkWidget      *widget,
-                             GtkRequisition *requisition)
-{
-        GtkStyle *style;
-
-        GTK_WIDGET_CLASS (msd_osd_window_parent_class)->size_request (widget, requisition);
-
-        /* See the comment in msd_osd_window_style_set() for why we add the thickness here */
-
-        style = gtk_widget_get_style (widget);
-
-        requisition->width  += style->xthickness;
-        requisition->height += style->ythickness;
-}
-#endif
 
 static GObject *
 msd_osd_window_constructor (GType                  type,
@@ -634,11 +367,9 @@ msd_osd_window_constructor (GType                  type,
                       "focus-on-map", FALSE,
                       NULL);
 
-#if GTK_CHECK_VERSION (3, 0, 0)
         GtkWidget *widget = GTK_WIDGET (object);
         GtkStyleContext *style_context = gtk_widget_get_style_context (widget);
         gtk_style_context_add_class (style_context, "osd");
-#endif
 
         return object;
 }
@@ -654,29 +385,15 @@ msd_osd_window_class_init (MsdOsdWindowClass *klass)
         widget_class->show = msd_osd_window_real_show;
         widget_class->hide = msd_osd_window_real_hide;
         widget_class->realize = msd_osd_window_real_realize;
-#if GTK_CHECK_VERSION (3, 0, 0)
         widget_class->style_updated = msd_osd_window_style_updated;
         widget_class->get_preferred_width = msd_osd_window_get_preferred_width;
         widget_class->get_preferred_height = msd_osd_window_get_preferred_height;
         widget_class->draw = msd_osd_window_draw;
-#else
-        widget_class->style_set = msd_osd_window_style_set;
-        widget_class->size_request = msd_osd_window_size_request;
-        widget_class->expose_event = msd_osd_window_expose_event;
-#endif
 
-#if GTK_CHECK_VERSION (3, 0, 0)
         signals[DRAW_WHEN_COMPOSITED] = g_signal_new ("draw-when-composited",
-#else
-        signals[EXPOSE_WHEN_COMPOSITED] = g_signal_new ("expose-when-composited",
-#endif
                                                         G_TYPE_FROM_CLASS (gobject_class),
                                                         G_SIGNAL_RUN_FIRST,
-#if GTK_CHECK_VERSION (3, 0, 0)
                                                         G_STRUCT_OFFSET (MsdOsdWindowClass, draw_when_composited),
-#else
-                                                        G_STRUCT_OFFSET (MsdOsdWindowClass, expose_when_composited),
-#endif
                                                         NULL, NULL,
                                                         g_cclosure_marshal_VOID__POINTER,
                                                         G_TYPE_NONE, 1,
@@ -685,7 +402,6 @@ msd_osd_window_class_init (MsdOsdWindowClass *klass)
 #if GTK_CHECK_VERSION (3, 20, 0)
         gtk_widget_class_set_css_name (widget_class, "MsdOsdWindow");
 #endif
-
         g_type_class_add_private (klass, sizeof (MsdOsdWindowPrivate));
 }
 
@@ -733,10 +449,8 @@ msd_osd_window_init (MsdOsdWindow *window)
                 gtk_window_set_decorated (GTK_WINDOW (window), FALSE);
                 gtk_widget_set_app_paintable (GTK_WIDGET (window), TRUE);
 
-#if GTK_CHECK_VERSION (3, 0, 0)
                 GtkStyleContext *style = gtk_widget_get_style_context (GTK_WIDGET (window));
                 gtk_style_context_add_class (style, "window-frame");
-#endif
 
                 /* assume 130x130 on a 640x480 display and scale from there */
                 scalew = gdk_screen_get_width (screen) / 640.0;
diff --git a/src/msd-osd-window.h b/src/msd-osd-window.h
index 42229f4..ac3325a 100644
--- a/src/msd-osd-window.h
+++ b/src/msd-osd-window.h
@@ -70,11 +70,7 @@ struct MsdOsdWindow {
 struct MsdOsdWindowClass {
         GtkWindowClass parent_class;
 
-#if GTK_CHECK_VERSION (3, 0, 0)
         void (* draw_when_composited) (MsdOsdWindow *window, cairo_t *cr);
-#else
-        void (* expose_when_composited) (MsdOsdWindow *window, cairo_t *cr);
-#endif
 };
 
 GType                 msd_osd_window_get_type          (void);
@@ -84,19 +80,6 @@ gboolean              msd_osd_window_is_composited     (MsdOsdWindow      *windo
 gboolean              msd_osd_window_is_valid          (MsdOsdWindow      *window);
 void                  msd_osd_window_update_and_hide   (MsdOsdWindow      *window);
 
-#if !GTK_CHECK_VERSION (3, 0, 0)
-void                  msd_osd_window_draw_rounded_rectangle (cairo_t *cr,
-                                                             gdouble  aspect,
-                                                             gdouble  x,
-                                                             gdouble  y,
-                                                             gdouble  corner_radius,
-                                                             gdouble  width,
-                                                             gdouble  height);
-
-void                  msd_osd_window_color_reverse          (const GdkColor *a,
-                                                             GdkColor       *b);
-#endif
-
 #ifdef __cplusplus
 }
 #endif