diff --git a/docs/source/conf.py b/docs/source/conf.py
index 6015ca7..c17eee4 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -206,4 +206,3 @@ html_favicon = 'images/curent.ico'
 smartquotes = False
 
 # import and execute model reference generation script
-exec(open("modelref.py").read())