diff --git a/gio/Makefile.am b/gio/Makefile.am
index d57510c50..51561796c 100644
--- a/gio/Makefile.am
+++ b/gio/Makefile.am
@@ -153,8 +153,6 @@ application_headers = \
 	gmenuexporter.h			\
 	gdbusmenumodel.h		\
 	gnotification.h			\
-	gnotification-private.h		\
-	gnotificationbackend.h		\
 	$(NULL)
 
 application_sources = \
@@ -178,6 +176,8 @@ application_sources = \
 	gmenu.c					\
 	gmenuexporter.c				\
 	gdbusmenumodel.c			\
+	gnotification-private.h			\
+	gnotificationbackend.h			\
 	gnotification.c				\
 	gnotificationbackend.c			\
 	$(NULL)
diff --git a/gio/gnotification-private.h b/gio/gnotification-private.h
index e6513b331..af6ad83c3 100644
--- a/gio/gnotification-private.h
+++ b/gio/gnotification-private.h
@@ -51,6 +51,4 @@ gboolean                g_notification_get_default_action               (GNotifi
 
 GVariant *              g_notification_serialize                        (GNotification *notification);
 
-GVariant *      g_notification_serialize                (GNotification *notification);
-
 #endif