diff --git a/core/autoload/ui.el b/core/autoload/ui.el
index 81d6c4765..d1cb2dd97 100644
--- a/core/autoload/ui.el
+++ b/core/autoload/ui.el
@@ -67,6 +67,7 @@ visual-line-mode is on, this skips relative and uses visual instead.
 See `display-line-numbers' for what these values mean."
   (interactive)
   (defvar doom--line-number-style display-line-numbers-type)
+    ;; DEPRECATED
   (let* ((styles `(t ,(if (and EMACS26+ visual-line-mode) 'visual 'relative) nil))
          (order (cons display-line-numbers-type (remq display-line-numbers-type styles)))
          (queue (memq doom--line-number-style order))
@@ -74,6 +75,7 @@ See `display-line-numbers' for what these values mean."
                    (car order)
                  (car (cdr queue)))))
     (setq doom--line-number-style next)
+    ;; DEPRECATED
     (if EMACS26+
         (setq display-line-numbers next)
       (pcase next
diff --git a/core/core-ui.el b/core/core-ui.el
index caa317600..ea17a3925 100644
--- a/core/core-ui.el
+++ b/core/core-ui.el
@@ -493,7 +493,7 @@ treat Emacs as a non-application window."
 (defun doom-enable-line-numbers-h ()  (display-line-numbers-mode +1))
 (defun doom-disable-line-numbers-h () (display-line-numbers-mode -1))
 
-;; `nlinum' is used for Emacs 25 users, as Emacs 26+ has native line numbers.
+;; DEPRECATED `nlinum' is used for Emacs 25 users; 26+ has native line numbers.
 (use-package! nlinum
   ;; Line number column. A faster (or equivalent, in the worst case) line number
   ;; plugin than `linum-mode'.