diff --git a/index.html b/index.html
index 2c44ed0..8047c8d 100644
--- a/index.html
+++ b/index.html
@@ -160,7 +160,6 @@
   <script src="https://unpkg.com/docsify-plugin-flexible-alerts"></script>
 
   <!-- Code highlights -->
-  <script src="//cdn.jsdelivr.net/npm/docsify-prism@latest/dist/docsify-prism.min.js"></script>
   <script src="//cdn.jsdelivr.net/npm/prismjs@1/components/prism-armasm.js"></script>
   <script src="//cdn.jsdelivr.net/npm/prismjs@1/components/prism-matlab.js"></script>
   <script src="//cdn.jsdelivr.net/npm/prismjs@1/components/prism-c.js"></script>