diff --git a/doc/source/conf.py b/doc/source/conf.py
index c6a66d4a4..7bc4f2fae 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -17,8 +17,6 @@
 from subprocess import check_output
 from textwrap import indent
 
-import sphinx_rtd_theme as csp
-
 import regolith
 from regolith import __version__ as REGOLITH_VERSION
 from regolith.fsclient import _id_key, dump_json, json_to_yaml
@@ -130,7 +128,7 @@
 # Add any paths that contain custom themes here, relative to this directory.
 # html_theme_path = []
 # html_theme_path = [csp.get_theme_dir()]
-html_theme_path = ["_themes", csp.get_theme_dir()]
+html_theme_path = ["_themes"]
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".