diff --git a/src/include/nodes/execnodes.h b/src/include/nodes/execnodes.h
index 2492282213f..fdf79aa18a2 100644
--- a/src/include/nodes/execnodes.h
+++ b/src/include/nodes/execnodes.h
@@ -173,7 +173,6 @@ typedef struct ExprState
  *		UniqueProcs
  *		UniqueStrats
  *		Unique				is it a unique index?
- *		OpclassOptions		opclass-specific options, or NULL if none
  *		ReadyForInserts		is it valid for inserts?
  *		CheckedUnchanged	IndexUnchanged status determined yet?
  *		IndexUnchanged		aminsert hint, cached for retail inserts