diff --git a/gdk/gdkdisplay.h b/gdk/gdkdisplay.h
index d8aad24a89..12ce04f0e3 100644
--- a/gdk/gdkdisplay.h
+++ b/gdk/gdkdisplay.h
@@ -56,6 +56,8 @@ GDK_AVAILABLE_IN_ALL
 void        gdk_display_sync               (GdkDisplay  *display);
 GDK_AVAILABLE_IN_ALL
 void        gdk_display_flush              (GdkDisplay  *display);
+GDK_AVAILABLE_IN_ALL
+void        gdk_flush                      (void);
 
 GDK_AVAILABLE_IN_ALL
 void        gdk_display_close                  (GdkDisplay  *display);
diff --git a/gdk/gdkdisplaymanager.h b/gdk/gdkdisplaymanager.h
index ebb4a2e12e..00c2decd4e 100644
--- a/gdk/gdkdisplaymanager.h
+++ b/gdk/gdkdisplaymanager.h
@@ -55,6 +55,9 @@ GSList *           gdk_display_manager_list_displays       (GdkDisplayManager *m
 GDK_AVAILABLE_IN_ALL
 GdkDisplay *       gdk_display_manager_open_display        (GdkDisplayManager *manager,
                                                             const gchar       *name);
+GDK_AVAILABLE_IN_3_10
+void               gdk_set_allowed_backends                (const gchar       *backends);
+
 
 G_END_DECLS
 
diff --git a/gdk/gdkmain.h b/gdk/gdkmain.h
index 20537675dc..d88cd86fd1 100644
--- a/gdk/gdkmain.h
+++ b/gdk/gdkmain.h
@@ -60,15 +60,9 @@ G_GNUC_WARN_UNUSED_RESULT gint gdk_error_trap_pop         (void);
 GDK_AVAILABLE_IN_ALL
 void                           gdk_error_trap_pop_ignored (void);
 
-GDK_AVAILABLE_IN_ALL
-void gdk_flush (void);
-
 GDK_AVAILABLE_IN_ALL
 void gdk_disable_multidevice (void);
 
-GDK_AVAILABLE_IN_3_10
-void gdk_set_allowed_backends (const gchar *backends);
-
 G_END_DECLS
 
 #endif /* __GDK_MAIN_H__ */