diff --git a/python/phonenumbers/unicode_util.py b/python/phonenumbers/unicode_util.py
index <HASH>..<HASH> 100644
--- a/python/phonenumbers/unicode_util.py
+++ b/python/phonenumbers/unicode_util.py
@@ -71,7 +71,7 @@ True
 '...'
 """
 import bisect
-import unicodedata  # Python 2.5 onward
+import unicodedata
 
 from .util import UnicodeMixin, unicod, u
Remove outdated comment (#<I>)

All current Python environments support the unicodedata module.