diff --git a/collects/games/chat-noir/literate-lang.ss b/collects/games/chat-noir/literate-lang.ss
index 7dbec985be..f25595809f 100644
--- a/collects/games/chat-noir/literate-lang.ss
+++ b/collects/games/chat-noir/literate-lang.ss
@@ -31,8 +31,6 @@
 ;; by `tangle'.
 (define-syntax (chunk stx)
   (syntax-case stx ()
-    ;; no use for the part function here
-    [(_ #:part part-function name expr ...) #'(chunk name expr ...)]
     [(_ name expr ...)
      (cond [(not (identifier? #'name))
             (raise-syntax-error #f "expected a chunk name" stx #'name)]