diff --git a/parse.y b/parse.y
index d21bfa976b..17107d37ac 100644
--- a/parse.y
+++ b/parse.y
@@ -11520,7 +11520,6 @@ rb_node_hash_new(struct parser_params *p, NODE *nd_head, const YYLTYPE *loc)
     rb_node_hash_t *n = NODE_NEWNODE(NODE_HASH, rb_node_hash_t, loc);
     n->nd_head = nd_head;
     n->nd_brace = 0;
-    n->not_used = 0;
 
     return n;
 }
diff --git a/rubyparser.h b/rubyparser.h
index 36b367e418..a61fdf6b84 100644
--- a/rubyparser.h
+++ b/rubyparser.h
@@ -558,7 +558,6 @@ typedef struct RNode_HASH {
 
     struct RNode *nd_head;
     long nd_brace;
-    VALUE not_used;
 } rb_node_hash_t;
 
 typedef struct RNode_RETURN {