diff --git a/docbow_project/docbow/forms.py b/docbow_project/docbow/forms.py
index 0cee008..e25a423 100644
--- a/docbow_project/docbow/forms.py
+++ b/docbow_project/docbow/forms.py
@@ -495,7 +495,6 @@ class ProfileForm(ModelForm):
 
 
 import unicodedata
-from django.utils.six import PY3
 from django.contrib.auth.tokens import default_token_generator
 from django.contrib.sites.shortcuts import get_current_site
 from django.utils.http import urlsafe_base64_encode
@@ -510,10 +509,7 @@ def _unicode_ci_compare(s1, s2):
     """
     normalized1 = unicodedata.normalize('NFKC', s1)
     normalized2 = unicodedata.normalize('NFKC', s2)
-    if PY3:
-        return normalized1.casefold() == normalized2.casefold()
-    # lower() is the best alternative available on Python 2.
-    return normalized1.lower() == normalized2.lower()
+    return normalized1.casefold() == normalized2.casefold()
 
 
 class PasswordResetFormWithLogging(PasswordResetForm):