diff --git a/lisp/progmodes/elixir-ts-mode.el b/lisp/progmodes/elixir-ts-mode.el
index 1ce9a65a125..41662822713 100644
--- a/lisp/progmodes/elixir-ts-mode.el
+++ b/lisp/progmodes/elixir-ts-mode.el
@@ -402,11 +402,9 @@
              (binary_operator
               left: (call target: (identifier) @font-lock-function-name-face))))))
 
-   ;; A function definition like "def _foo" is valid, but we should
-   ;; not apply the comment-face unless its a non-function identifier, so
-   ;; the comment matches has to be after the function matches.
    :language 'elixir
    :feature 'elixir-comment
+   :override t
    '((comment) @font-lock-comment-face
      ((identifier) @font-lock-comment-face
       (:match "^_[a-z]\\|^_$" @font-lock-comment-face)))