diff --git a/lib/lrama/grammar.rb b/lib/lrama/grammar.rb
index 012202ad..161dae28 100644
--- a/lib/lrama/grammar.rb
+++ b/lib/lrama/grammar.rb
@@ -131,7 +131,6 @@ def build_references(token_code)
     end
 
     def build_code(type, token_code)
-      build_references(token_code)
       Code.new(type: type, token_code: token_code)
     end