diff --git a/apps/kassa/views.py b/apps/kassa/views.py
index d33c0ca..32cadf2 100644
--- a/apps/kassa/views.py
+++ b/apps/kassa/views.py
@@ -2,7 +2,6 @@
 from __future__ import unicode_literals
 from itertools import groupby
 import json
-import pytz as pytz
 from django.utils import timezone
 from apps.kassa.models import KassaEvent
 
@@ -155,7 +154,7 @@ def stats_card_sales(request):
 
     # TODO filter by start HTTP param
     start_date = timezone.datetime(year=2015, month=8, day=1)
-    start_date = pytz.timezone(timezone.get_current_timezone_name()).localize(start_date)
+    start_date = timezone.make_aware(start_date, timezone.get_current_timezone())
 
     events = KassaEvent.objects.filter(event__in=sale_events, created__gte=start_date).values_list('created')
     grouped = []
diff --git a/requirements.txt b/requirements.txt
index 3d651b4..664b054 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,5 +9,4 @@ mysqlclient==1.3.6
 ndg-httpsclient==0.4.0
 pyasn1==0.1.8
 pyOpenSSL==0.15.1
-pytz==2015.4
 requests==2.7.0