diff --git a/webui/index.html b/webui/index.html
index c98ef2858..40f82049a 100644
--- a/webui/index.html
+++ b/webui/index.html
@@ -118,8 +118,6 @@
     <script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.8/dist/contrib/auto-render.min.js"
         crossorigin="anonymous"></script>
 
-    <script src="https://rawgit.com/showdownjs/showdown/develop/dist/showdown.min.js"></script>
-
     <!-- Non-module scripts after Alpine.js -->
     <script type="text/javascript" src="js/settings.js"></script>
     <script type="text/javascript" src="js/file_browser.js"></script>