diff --git a/oni-elfeed.el b/oni-elfeed.el
index 9cac765..b1d515f 100644
--- a/oni-elfeed.el
+++ b/oni-elfeed.el
@@ -4,7 +4,7 @@
 
 ;; Author: Tom Willemse <tom@ryuslash.org>
 ;; Keywords: local
-;; Version: 2022.0912.090640
+;; Version: 2022.0922.222847
 ;; Package-Requires: (elfeed olivetti)
 
 ;; This program is free software; you can redistribute it and/or modify
@@ -85,6 +85,12 @@
           (elfeed-make-tagger :before "2 weeks ago"
                               :remove 'unread))
 
+;;; Mark any post from LWN as read if it starts with “[$]”.
+(add-hook 'elfeed-new-entry-hook
+          (elfeed-make-tagger :feed-url (rx "lwn.net")
+                              :entry-title (rx bos "[$]")
+                              :remove 'unread))
+
 (add-hook 'elfeed-show-mode-hook #'oni-elfeed-enable-olivetti-mode)
 
 (provide 'oni-elfeed)