6 files changed, 3 insertions, 33 deletions
diff --git a/examples/application9/exampleapp.c b/examples/application9/exampleapp.c
index 66e85793f8..64a3ceb100 100644
--- a/examples/application9/exampleapp.c
+++ b/examples/application9/exampleapp.c
@@ -9,11 +9,6 @@ struct _ExampleApp
   GtkApplication parent;
 };
 
-struct _ExampleAppClass
-{
-  GtkApplicationClass parent_class;
-};
-
 G_DEFINE_TYPE(ExampleApp, example_app, GTK_TYPE_APPLICATION);
 
 static void
diff --git a/examples/application9/exampleapp.h b/examples/application9/exampleapp.h
index 824049d699..51093791a3 100644
--- a/examples/application9/exampleapp.h
+++ b/examples/application9/exampleapp.h
@@ -5,14 +5,9 @@
 
 
 #define EXAMPLE_APP_TYPE (example_app_get_type ())
-#define EXAMPLE_APP(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EXAMPLE_APP_TYPE, ExampleApp))
+G_DECLARE_FINAL_TYPE (ExampleApp, example_app, EXAMPLE, APP, GtkApplication)
 
 
-typedef struct _ExampleApp       ExampleApp;
-typedef struct _ExampleAppClass  ExampleAppClass;
-
-
-GType           example_app_get_type    (void);
 ExampleApp     *example_app_new         (void);
 
 
diff --git a/examples/application9/exampleappprefs.c b/examples/application9/exampleappprefs.c
index 6a033817bd..9b3cc33586 100644
--- a/examples/application9/exampleappprefs.c
+++ b/examples/application9/exampleappprefs.c
@@ -9,11 +9,6 @@ struct _ExampleAppPrefs
   GtkDialog parent;
 };
 
-struct _ExampleAppPrefsClass
-{
-  GtkDialogClass parent_class;
-};
-
 typedef struct _ExampleAppPrefsPrivate ExampleAppPrefsPrivate;
 
 struct _ExampleAppPrefsPrivate
diff --git a/examples/application9/exampleappprefs.h b/examples/application9/exampleappprefs.h
index c684889adf..2f08819ffb 100644
--- a/examples/application9/exampleappprefs.h
+++ b/examples/application9/exampleappprefs.h
@@ -6,14 +6,9 @@
 
 
 #define EXAMPLE_APP_PREFS_TYPE (example_app_prefs_get_type ())
-#define EXAMPLE_APP_PREFS(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EXAMPLE_APP_PREFS_TYPE, ExampleAppPrefs))
+G_DECLARE_FINAL_TYPE (ExampleAppPrefs, example_app_prefs, EXAMPLE, APP_PREFS, GtkDialog)
 
 
-typedef struct _ExampleAppPrefs          ExampleAppPrefs;
-typedef struct _ExampleAppPrefsClass     ExampleAppPrefsClass;
-
-
-GType                   example_app_prefs_get_type     (void);
 ExampleAppPrefs        *example_app_prefs_new          (ExampleAppWindow *win);
 
 
diff --git a/examples/application9/exampleappwin.c b/examples/application9/exampleappwin.c
index d3103f97d3..15ceb1ef28 100644
--- a/examples/application9/exampleappwin.c
+++ b/examples/application9/exampleappwin.c
@@ -8,11 +8,6 @@ struct _ExampleAppWindow
   GtkApplicationWindow parent;
 };
 
-struct _ExampleAppWindowClass
-{
-  GtkApplicationWindowClass parent_class;
-};
-
 typedef struct _ExampleAppWindowPrivate ExampleAppWindowPrivate;
 
 struct _ExampleAppWindowPrivate
diff --git a/examples/application9/exampleappwin.h b/examples/application9/exampleappwin.h
index ed4b34fcf5..786338d083 100644
--- a/examples/application9/exampleappwin.h
+++ b/examples/application9/exampleappwin.h
@@ -6,14 +6,9 @@
 
 
 #define EXAMPLE_APP_WINDOW_TYPE (example_app_window_get_type ())
-#define EXAMPLE_APP_WINDOW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EXAMPLE_APP_WINDOW_TYPE, ExampleAppWindow))
+G_DECLARE_FINAL_TYPE (ExampleAppWindow, example_app_window, EXAMPLE, APP_WINDOW, GtkApplicationWindow)
 
 
-typedef struct _ExampleAppWindow         ExampleAppWindow;
-typedef struct _ExampleAppWindowClass    ExampleAppWindowClass;
-
-
-GType                   example_app_window_get_type     (void);
 ExampleAppWindow       *example_app_window_new          (ExampleApp *app);
 void                    example_app_window_open         (ExampleAppWindow *win,
                                                          GFile            *file);