diff --git a/docs/source/conf.py b/docs/source/conf.py
index 19c764d..9cfc76f 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -37,7 +37,6 @@ extensions = [
     'sphinx.ext.intersphinx',
     'sphinx.ext.mathjax',
     'sphinx.ext.viewcode',
-    'sphinx_copybutton',
 ]
 
 # Configuration options for plot_directive. See: