diff --git a/api-ref/source/conf.py b/api-ref/source/conf.py
index 044bbcc..baab19a 100644
--- a/api-ref/source/conf.py
+++ b/api-ref/source/conf.py
@@ -94,9 +94,6 @@ html_title = "Cloud Container Service - API Reference"
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ['_static']
 
-# Do not include sources into the rendered results
-html_copy_source = False
-
 # -- Options for PDF output --------------------------------------------------
 latex_documents = [
     ('index',