diff --git a/synapse/util/msisdn.py b/synapse/util/msisdn.py
index 6905c5ce7..d320e411f 100644
--- a/synapse/util/msisdn.py
+++ b/synapse/util/msisdn.py
@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-# Copyright 2015, 2016 OpenMarket Ltd
 # Copyright 2017 Vector Creations Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");