diff --git a/doc/neps/conf.py b/doc/neps/conf.py
index a0ab286bdcbb..f7bf332297a1 100644
--- a/doc/neps/conf.py
+++ b/doc/neps/conf.py
@@ -99,6 +99,10 @@
   "show_prev_next": False,
 }
 
+html_sidebars = {
+    "**": []  # Suppress sidebars on all pages
+}
+
 html_title = "%s" % (project)
 html_static_path = ['../source/_static']
 html_last_updated_fmt = '%b %d, %Y'