diff --git a/docs/conf.py b/docs/conf.py
index f0b572d..1bc71ed 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -21,19 +21,16 @@
 # import sys
 # sys.path.insert(0, os.path.abspath('.'))
 
-import os
 import re
 import expipe
 
-on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
-if not on_rtd:  # only import and set the theme if we're building docs locally
-    try:
-        import sphinx_rtd_theme
-        html_theme = "sphinx_rtd_theme"
-        html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
-    except ImportError:
-        print("RTD theme not installed, using default")
-        pass
+try:
+    import sphinx_rtd_theme
+    html_theme = "sphinx_rtd_theme"
+    html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
+except ImportError:
+    print("RTD theme not installed, using default")
+    pass
 
 # -- General configuration ------------------------------------------------