diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index 5ca746aba93d4cc93234b1fb1972601dd58431a6..4e130883b07b196373b90f2b1fcb0f386d8f0939 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -32,6 +32,8 @@
 
 HB_BEGIN_DECLS
 
+/* XXX  Hide structs? */
+
 typedef struct HB_GlyphItemRec_ {
   hb_codepoint_t gindex;
   unsigned int   properties;
diff --git a/src/hb-ot-layout-private.h b/src/hb-ot-layout-private.h
index 2051d95fba3c145dca2d6047c0fd061dfc89a660..1a55d2d743311fdee570849270221b1fd50e1ca7 100644
--- a/src/hb-ot-layout-private.h
+++ b/src/hb-ot-layout-private.h
@@ -64,8 +64,7 @@ struct _hb_ot_layout_t
 };
 
 
-/* XXX #define HB_OT_LAYOUT_INTERNAL static */
-#define HB_OT_LAYOUT_INTERNAL
+#define HB_OT_LAYOUT_INTERNAL static
 
 HB_BEGIN_DECLS