diff --git a/_includes/2017/head.html b/_includes/2017/head.html
index 60b2e2e17..7717ffe6d 100644
--- a/_includes/2017/head.html
+++ b/_includes/2017/head.html
@@ -2,7 +2,6 @@
 {% include polyfills.html %}
 
 <!-- 3rd-party libs -->
-{% for lang in page.prism_languages %}<script src='https://cdn.jsdelivr.net/npm/prismjs@1.6.0/components/prism-{{lang}}.min.js'></script>{% endfor %}
 <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Cousine'>
 
 <!-- 2017 layout -->