diff --git a/parse.y b/parse.y
index 9c15befa78..f04ba77b25 100644
--- a/parse.y
+++ b/parse.y
@@ -11238,8 +11238,6 @@ rb_node_yield_new(struct parser_params *p, NODE *nd_head, const YYLTYPE *loc)
 {
     rb_node_yield_t *n = NODE_NEWNODE(NODE_YIELD, rb_node_yield_t, loc);
     n->nd_head = nd_head;
-    n->not_used = 0;
-    n->not_used2 = 0;
 
     return n;
 }
diff --git a/rubyparser.h b/rubyparser.h
index f0ce7989e0..2fd23a7a97 100644
--- a/rubyparser.h
+++ b/rubyparser.h
@@ -542,8 +542,6 @@ typedef struct RNode_YIELD {
     NODE node;
 
     struct RNode *nd_head;
-    VALUE not_used;
-    VALUE not_used2;
 } rb_node_yield_t;
 
 typedef struct RNode_LVAR {