diff --git a/lisp/emacs-lisp/generator.el b/lisp/emacs-lisp/generator.el
index b31a0954ff0..cf7b6000684 100644
--- a/lisp/emacs-lisp/generator.el
+++ b/lisp/emacs-lisp/generator.el
@@ -792,10 +792,11 @@ Return the value with which ITERATOR finished iteration."
     (font-lock-add-keywords
      'emacs-lisp-mode
      '(("(\\(iter-defun\\)\\_>\\s *\\(\\(?:\\sw\\|\\s_\\)+\\)?"
-        (1 font-lock-keyword-face nil t)
-        (2 font-lock-function-name-face nil t))
-       ("(\\(iter-\\(?:next\\|lambda\\|yield\\|yield-from\\)\\)\\_>"
-        (1 font-lock-keyword-face nil t))))))
+        ;; (1 'font-lock-keyword-face nil t)
+        (2 'font-lock-function-name-face nil t))
+       ;; ("(\\(iter-\\(?:next\\|lambda\\|yield\\|yield-from\\)\\)\\_>"
+       ;;  (1 'font-lock-keyword-face nil t))
+       ))))
 
 (provide 'generator)