diff --git a/parse.y b/parse.y
index 8d9d1c2141..1b85db4a58 100644
--- a/parse.y
+++ b/parse.y
@@ -9625,6 +9625,9 @@ Init_sym(void)
     global_symbols.id_ivar2 = st_init_numtable_with_size(1000);
 #endif
 
+    (void)nodetype;
+    (void)nodeline;
+
     Init_id();
 }