diff --git a/doc/conf.py b/doc/conf.py
index 295f161e545..06900618401 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -237,7 +237,6 @@
     use_repository_button=True,
     use_issues_button=True,
     home_page_in_toc=False,
-    navigation_with_keys=False,
     extra_footer="""<p>Xarray is a fiscally sponsored project of <a href="https://numfocus.org">NumFOCUS</a>,
     a nonprofit dedicated to supporting the open-source scientific computing community.<br>
     Theme by the <a href="https://ebp.jupyterbook.org">Executable Book Project</a></p>""",