diff --git a/docs/source/conf.py b/docs/source/conf.py
index b01c9e6..1a04453 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -25,7 +25,6 @@
     "sphinx.ext.intersphinx",
     "sphinx.ext.graphviz",
     "sphinx.ext.imgmath",
-    "sphinx_rtd_theme",
 ]