diff --git a/src/hb-aat-map.hh b/src/hb-aat-map.hh
index 846cdc1a9..d974bd3f0 100644
--- a/src/hb-aat-map.hh
+++ b/src/hb-aat-map.hh
@@ -30,8 +30,6 @@
 #include "hb.hh"
 
 
-struct hb_ot_shape_plan_t;
-
 struct hb_aat_map_t
 {
   friend struct hb_aat_map_builder_t;