diff --git a/docs/_includes/head_custom.html b/docs/_includes/head_custom.html
index 10494c55..3e9ee3d0 100644
--- a/docs/_includes/head_custom.html
+++ b/docs/_includes/head_custom.html
@@ -8,24 +8,20 @@
 ></script>
 
 <script
-  type="text/javascript"
   src="https://unpkg.com/react@18/umd/react.production.min.js"
   crossorigin
 ></script>
 <script
-  type="text/javascript"
   src="https://unpkg.com/react-dom@18/umd/react-dom.production.min.js"
   crossorigin
 ></script>
 <script
-  type="text/javascript"
   src="https://unpkg.com/@mui/material@v5.13.3/umd/material-ui.production.min.js"
   crossorigin
 ></script>
 
 <!-- pre-processor -->
 <script
-  type="text/javascript"
   src="https://unpkg.com/babel-standalone/babel.min.js"
   crossorigin
 ></script>