diff --git a/placement-api-ref/source/conf.py b/placement-api-ref/source/conf.py
index c4b0268c1cbd..536f02cdd072 100644
--- a/placement-api-ref/source/conf.py
+++ b/placement-api-ref/source/conf.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-#
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
 # not use this file except in compliance with the License. You may obtain
 # a copy of the License at