diff --git a/mkdocs.yml b/mkdocs.yml
index dee89ae996a770fa893a74c539b7b63fab8ac4ea..c01e87e1289c6e24a81ed05150cc2357b12a83e1 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -56,7 +56,6 @@ extra_css:
   - 'styles/thebelab.css'
 
 extra_javascript:
-  - 'https://cdn.plot.ly/plotly-latest.min.js'
   - 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.3/MathJax.js?config=TeX-AMS_HTML'
   - 'scripts/thebelab-custom.js'
   - 'scripts/mathjaxhelper.js'