diff --git a/src/test.nim b/src/test.nim
index 96568d9..6f392a3 100644
--- a/src/test.nim
+++ b/src/test.nim
@@ -200,16 +200,6 @@ func str(s: string): (Parser -> ParserResult) {.inline.} =
       p = p.flatMap(ch(c))
     return p
 
-# proc foldTokens[T](
-#   parserResult: ParserResult,
-#   builderResult: BuilderResult[T],
-#   fn: Parser -> T,
-# ): BuilderResult[T] =
-#   builderResult.flatMap((b: Builder) => Builder(
-#     parser: parserResult,
-#     tree: parserResul
-#   ))
-
 proc foldTokens[T](
   parserResult: ParserResult,
   onError: ParserError -> T,