diff --git a/docs/source/conf.py b/docs/source/conf.py
index a51cc5b9..11a5143b 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -41,7 +41,6 @@ extensions = [
     'sphinx.ext.viewcode',
     'sphinx.ext.autodoc',
     'sphinx.ext.ifconfig',
-    'sphinxcontrib.programoutput',
 ]
 
 # Add any paths that contain templates here, relative to this directory.