diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 4ac1fbe40..ee5a8881d 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -570,7 +570,7 @@ void hb_buffer_t::deallocate_var_all (void)
 /* Public API */
 
 hb_buffer_t *
-hb_buffer_create ()
+hb_buffer_create (void)
 {
   hb_buffer_t *buffer;
 
diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index db9b40f55..cd574c3cc 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -232,12 +232,10 @@ hb_buffer_get_glyph_positions (hb_buffer_t  *buffer,
 void
 hb_buffer_normalize_glyphs (hb_buffer_t *buffer);
 
-/*
- * NOT IMPLEMENTED
- void
- hb_buffer_normalize_characters (hb_buffer_t *buffer);
-*/
 
+/*
+ * Serialize
+ */
 
 typedef enum {
   HB_BUFFER_SERIALIZE_FLAGS_DEFAULT		= 0x00000000,