diff --git a/README.md b/README.md
index 9bd2bd6..cf12232 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 
     sudo apt install make python3-pip
     pip3 install -U pip setuptools
-    pip3 install -U sphinx sphinxcontrib-bibtex sphinxcontrib-fulltoc
+    pip3 install -U sphinx sphinxcontrib-bibtex
 
 If you're running macOS or another operating system, see the instructions at https://www.sphinx-doc.org/en/master/usage/installation.html
 
diff --git a/conf.py b/conf.py
index c6e587c..036520a 100644
--- a/conf.py
+++ b/conf.py
@@ -38,7 +38,6 @@
 # ones.
 extensions = [
     'sphinxcontrib.bibtex',
-    'sphinxcontrib.fulltoc',
 ]
 
 # The master toctree document.