diff --git a/gtk/gtkmenuprivate.h b/gtk/gtkmenuprivate.h
index f4583582be..f1a40d8a8e 100644
--- a/gtk/gtkmenuprivate.h
+++ b/gtk/gtkmenuprivate.h
@@ -36,13 +36,6 @@ typedef enum
   GTK_DIRECTION_RIGHT
 } GtkSubmenuDirection;
 
-/* Placement of submenus */
-typedef enum
-{
-  GTK_TOP_BOTTOM,
-  GTK_LEFT_RIGHT
-} GtkSubmenuPlacement;
-
 
 struct _GtkMenuPrivate
 {
diff --git a/gtk/gtkmenushellprivate.h b/gtk/gtkmenushellprivate.h
index e38e394815..9ef04f3a21 100644
--- a/gtk/gtkmenushellprivate.h
+++ b/gtk/gtkmenushellprivate.h
@@ -26,6 +26,13 @@
 
 G_BEGIN_DECLS
 
+/* Placement of submenus */
+typedef enum
+{
+  GTK_TOP_BOTTOM,
+  GTK_LEFT_RIGHT
+} GtkSubmenuPlacement;
+
 struct _GtkMenuShellPrivate
 {
   GList *children;