diff --git a/docs/conf.py b/docs/conf.py
index a3d504f..2cd68b7 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,12 +1,6 @@
 # https://www.sphinx-doc.org/en/master/usage/configuration.html
 # https://www.sphinx-doc.org/en/master/usage/extensions/autodoc.html
 
-import os
-import sys
-
-# NOTE: seems necessary for readthedocs.org because it doesn't `pip install -e`
-sys.path.insert(0, os.path.abspath(".."))
-
 # {{{ project information
 
 from importlib import metadata
@@ -47,6 +41,7 @@
     "show_toc_level": 2,
     "use_source_button": True,
     "use_repository_button": True,
+    "navigation_with_keys": True,
     "repository_url": "https://github.com/alexfikl/pyshocks",
     "repository_branch": "main",
     "icon_links": [