diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index 93671d05210ec93f31df19714c8d0567a491d599..b030ba9ace7afc5fe368895ebb7490366f31145e 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -45,9 +45,8 @@ typedef struct _hb_glyph_info_t {
   hb_codepoint_t codepoint;
   hb_mask_t      mask;
   uint32_t       cluster;
-  uint16_t       component;
-  uint16_t       lig_id;
-  uint32_t       internal;
+  uint32_t       internal1;
+  uint32_t       internal2;
 } hb_glyph_info_t;
 
 typedef struct _hb_glyph_position_t {