diff --git a/docs/requirements.txt b/docs/requirements.txt
index 674f334..cbfef74 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -6,7 +6,6 @@ sphinx_rtd_theme>=0.5.1
 sphinx-togglebutton
 sphinx-copybutton
 sphinx-thebe
-sphinx-etoc
 sphinx-comments
 sphinx-design
 sphinx-book-theme