diff --git a/parse.y b/parse.y
index b8478adc07..a323ac830d 100644
--- a/parse.y
+++ b/parse.y
@@ -11251,7 +11251,6 @@ rb_node_sclass_new(struct parser_params *p, NODE *nd_recv, NODE *nd_body, const
     rb_node_sclass_t *n = NODE_NEWNODE(NODE_SCLASS, rb_node_sclass_t, loc);
     n->nd_recv = nd_recv;
     n->nd_body = scope;
-    n->not_used = 0;
 
     return n;
 }
@@ -11264,7 +11263,6 @@ rb_node_module_new(struct parser_params *p, NODE *nd_cpath, NODE *nd_body, const
     rb_node_module_t *n = NODE_NEWNODE(NODE_MODULE, rb_node_module_t, loc);
     n->nd_cpath = nd_cpath;
     n->nd_body = scope;
-    n->not_used = 0;
 
     return n;
 }
diff --git a/rubyparser.h b/rubyparser.h
index 7b36aacd0e..7ef7791727 100644
--- a/rubyparser.h
+++ b/rubyparser.h
@@ -845,7 +845,6 @@ typedef struct RNode_MODULE {
 
     struct RNode *nd_cpath;
     struct RNode *nd_body;
-    VALUE not_used;
 } rb_node_module_t;
 
 typedef struct RNode_SCLASS {
@@ -853,7 +852,6 @@ typedef struct RNode_SCLASS {
 
     struct RNode *nd_recv;
     struct RNode *nd_body;
-    VALUE not_used;
 } rb_node_sclass_t;
 
 typedef struct RNode_COLON2 {