diff --git a/docs/source/conf.py b/docs/source/conf.py
index 4a482c98d9ef5a764939f34283b30f48887a7bb6..5b391736872ff44b51ba732ae22987457c137d2b 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -22,8 +22,7 @@ extensions = [
     'sphinx.ext.autosummary',
     'sphinx.ext.intersphinx',
     'sphinx.ext.napoleon',
-    'nbsphinx',
-    'sphinx_rtd_theme',
+    'nbsphinx',,
 ]
 
 autodoc_mock_imports = ['numpy','scipy','xarray','pandas','netCDF4','osselyze','osselyze.utils']