diff --git a/api-ref/source/conf.py b/api-ref/source/conf.py
index 9c66273..687eafc 100644
--- a/api-ref/source/conf.py
+++ b/api-ref/source/conf.py
@@ -94,6 +94,9 @@ html_title = "GaussDB (for MySQL) - 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',