diff --git a/gnucash/gnome-utils/gnc-plugin-file-history.h b/gnucash/gnome-utils/gnc-plugin-file-history.h
index 24a30a5a76c..713d82935ac 100644
--- a/gnucash/gnome-utils/gnc-plugin-file-history.h
+++ b/gnucash/gnome-utils/gnc-plugin-file-history.h
@@ -41,39 +41,21 @@ G_BEGIN_DECLS
 
 /* type macros */
 #define GNC_TYPE_PLUGIN_FILE_HISTORY            (gnc_plugin_file_history_get_type ())
-#define GNC_PLUGIN_FILE_HISTORY(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GNC_TYPE_PLUGIN_FILE_HISTORY, GncPluginFileHistory))
-#define GNC_PLUGIN_FILE_HISTORY_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GNC_TYPE_PLUGIN_FILE_HISTORY, GncPluginFileHistoryClass))
-#define GNC_IS_PLUGIN_FILE_HISTORY(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GNC_TYPE_PLUGIN_FILE_HISTORY))
-#define GNC_IS_PLUGIN_FILE_HISTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GNC_TYPE_PLUGIN_FILE_HISTORY))
-#define GNC_PLUGIN_FILE_HISTORY_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GNC_TYPE_PLUGIN_FILE_HISTORY, GncPluginFileHistoryClass))
+G_DECLARE_FINAL_TYPE (GncPluginFileHistory, gnc_plugin_file_history, GNC, PLUGIN_FILE_HISTORY, GncPlugin)
 
 #define GNC_PLUGIN_FILE_HISTORY_NAME "gnc-plugin-file-history"
 
 /* typedefs & structures */
 
 /** The instance data structure for a file history plugin. */
-typedef struct
+struct _GncPluginFileHistory
 {
     GncPlugin gnc_plugin;
-} GncPluginFileHistory;
+};
 
 
-/** The class data structure for a file history plugin. */
-typedef struct
-{
-    GncPluginClass gnc_plugin;
-} GncPluginFileHistoryClass;
-
 /* function prototypes */
 
-
-/** Get the type of a file history plugin.
- *
- *  @return A GType.
- */
-GType gnc_plugin_file_history_get_type (void);
-
-
 /** Create a new file history plugin.  This plugin attaches the file
  *  history menu to any window that is opened.
  *