--- a/docs/source/usrman/conf.py
+++ b/docs/source/usrman/conf.py
@@ -149,7 +149,9 @@ html_use_index = False
 #html_split_index = False
 
 # If true, the reST sources are included in the HTML build as _sources/<name>.
-#html_copy_source = True
+# yoh: no need for sources in the rendered shipped HTMLs,
+#      also it might prevent offline searching
+html_copy_source = False
 
 # If true, an OpenSearch description file will be output, and all pages will
 # contain a <link> tag referring to it.  The value of this option must be the
