diff --git a/apps/establishment/serializers/back.py b/apps/establishment/serializers/back.py
index 714dd62d..f1fb40a5 100644
--- a/apps/establishment/serializers/back.py
+++ b/apps/establishment/serializers/back.py
@@ -7,6 +7,7 @@ from establishment.serializers import (
     EstablishmentTypeBaseSerializer)
 from main.models import Currency
 from utils.decorators import with_base_attributes
+from utils.serializers import TimeZoneChoiceField
 
 
 class EstablishmentListCreateSerializer(EstablishmentBaseSerializer):
@@ -19,8 +20,8 @@ class EstablishmentListCreateSerializer(EstablishmentBaseSerializer):
     phones = ContactPhonesSerializer(read_only=True, many=True, )
     emails = ContactEmailsSerializer(read_only=True, many=True, )
     socials = SocialNetworkRelatedSerializers(read_only=True, many=True, )
-    slug = serializers.SlugField(required=True, allow_blank=False, max_length=50)
     type = EstablishmentTypeBaseSerializer(source='establishment_type', read_only=True)
+    tz = TimeZoneChoiceField()
 
     class Meta:
         model = models.Establishment
diff --git a/apps/establishment/serializers/common.py b/apps/establishment/serializers/common.py
index 266ed0df..2846c5c8 100644
--- a/apps/establishment/serializers/common.py
+++ b/apps/establishment/serializers/common.py
@@ -159,7 +159,6 @@ class EstablishmentBaseSerializer(ProjectModelSerializer):
     """Base serializer for Establishment model."""
 
     preview_image = serializers.URLField(source='preview_image_url')
-    slug = serializers.SlugField(allow_blank=False, required=True, max_length=50)
     address = AddressBaseSerializer()
     in_favorites = serializers.BooleanField(allow_null=True)
     tags = TagBaseSerializer(read_only=True, many=True)
diff --git a/apps/main/serializers.py b/apps/main/serializers.py
index 8975af14..a0af662b 100644
--- a/apps/main/serializers.py
+++ b/apps/main/serializers.py
@@ -4,7 +4,7 @@ from rest_framework import serializers
 from advertisement.serializers.web import AdvertisementSerializer
 from location.serializers import CountrySerializer
 from main import models
-from utils.serializers import ProjectModelSerializer
+from utils.serializers import ProjectModelSerializer, TranslatedField
 
 
 class FeatureSerializer(serializers.ModelSerializer):
@@ -41,7 +41,9 @@ class SiteFeatureSerializer(serializers.ModelSerializer):
 
 
 class CurrencySerializer(ProjectModelSerializer):
-    """Currency serializer"""
+    """Currency serializer."""
+
+    name_translated = TranslatedField()
 
     class Meta:
         model = models.Currency
diff --git a/apps/search_indexes/serializers.py b/apps/search_indexes/serializers.py
index 535974a9..d4ab2dbf 100644
--- a/apps/search_indexes/serializers.py
+++ b/apps/search_indexes/serializers.py
@@ -102,28 +102,3 @@ class EstablishmentDocumentSerializer(DocumentSerializer):
             # 'establishment_type',
             # 'establishment_subtypes',
         )
-
-
-    # def to_representation(self, instance):
-    #     ret = super().to_representation(instance)
-    #     dict_merge = lambda a, b: a.update(b) or a
-    #
-    #     ret['tags'] = map(lambda tag: dict_merge(tag, {'label_translated': get_translated_value(tag.pop('label'))}),
-    #                       ret['tags'])
-    #     ret['establishment_subtypes'] = map(
-    #         lambda subtype: dict_merge(subtype, {'name_translated': get_translated_value(subtype.pop('name'))}),
-    #         ret['establishment_subtypes'])
-    #     if ret.get('establishment_type'):
-    #         ret['establishment_type']['name_translated'] = get_translated_value(ret['establishment_type'].pop('name'))
-    #     if ret.get('address'):
-    #         ret['address']['city']['country']['name_translated'] = get_translated_value(
-    #             ret['address']['city']['country'].pop('name'))
-    #         location = ret['address'].pop('location')
-    #         if location:
-    #             ret['address']['geo_lon'] = location['lon']
-    #             ret['address']['geo_lat'] = location['lat']
-    #
-    #     ret['type'] = ret.pop('establishment_type')
-    #     ret['subtypes'] = ret.pop('establishment_subtypes')
-    #
-    #     return ret
\ No newline at end of file
diff --git a/apps/utils/serializers.py b/apps/utils/serializers.py
index 90efea00..a2a33ee2 100644
--- a/apps/utils/serializers.py
+++ b/apps/utils/serializers.py
@@ -1,4 +1,5 @@
 """Utils app serializer."""
+import pytz
 from django.core import exceptions
 from rest_framework import serializers
 from utils import models
@@ -48,6 +49,21 @@ class TJSONField(serializers.JSONField):
     validators = [validate_tjson]
 
 
+class TimeZoneChoiceField(serializers.ChoiceField):
+    """Take the timezone object and make it JSON serializable."""
+
+    def __init__(self, choices=None, **kwargs):
+        if choices is None:
+            choices = pytz.all_timezones
+        super().__init__(choices=choices, **kwargs)
+
+    def to_representation(self, value):
+        return value.zone
+
+    def to_internal_value(self, data):
+        return pytz.timezone(data)
+
+
 class ProjectModelSerializer(serializers.ModelSerializer):
     """Overrided ModelSerializer."""