diff --git a/surface/core_utils/admin_filters.py b/surface/core_utils/admin_filters.py
index 503b1245..9070c133 100644
--- a/surface/core_utils/admin_filters.py
+++ b/surface/core_utils/admin_filters.py
@@ -1,39 +1,34 @@
 import datetime
-from urllib.parse import urlencode
 import operator
-import pytz
+from urllib.parse import urlencode
 
+from django import forms
+from django.contrib import admin
 from django.contrib.admin.filters import RelatedFieldListFilter
 from django.contrib.admin.options import ModelAdmin
+from django.contrib.admin.widgets import AdminDateWidget
 from django.core.exceptions import ImproperlyConfigured
-from django.db.models import Model
-from django.core.handlers.wsgi import WSGIRequest
-from django.contrib.admin.filters import RelatedFieldListFilter
-from django.contrib.admin.options import ModelAdmin
 from django.core.handlers.wsgi import WSGIRequest
+from django.db.models import Model
 from django.db.models.base import Model
 from django.db.models.fields import BLANK_CHOICE_DASH, Field
 from django.db.models.fields.related import RelatedField
-from django.contrib import admin
 from django.shortcuts import redirect
 from django.utils import timezone
-from django.conf import settings
-from django import forms
-from django.contrib.admin.widgets import AdminDateWidget
 
 try:
     from theme.filters import DateRangeFilter as OriginalDateRangeFilter
 
     class CalendarFilter(OriginalDateRangeFilter):
         def __init__(self, field, request, params, model, model_admin, field_path):
-            self.lookup_kwarg_within = f'{field_path}__within'
+            self.lookup_kwarg_within = f"{field_path}__within"
             super().__init__(field, request, params, model, model_admin, field_path)
 
         def _get_form_fields(self):
             return {
                 self.lookup_kwarg_within: forms.DateField(
-                    label='',
-                    widget=AdminDateWidget(attrs={'placeholder': self.field_path.replace("_", " ").title()}),
+                    label="",
+                    widget=AdminDateWidget(attrs={"placeholder": self.field_path.replace("_", " ").title()}),
                     localize=True,
                     required=False,
                 )
@@ -47,27 +42,17 @@ def _make_query_filter(self, request, validated_data):
             date_value = validated_data.get(self.lookup_kwarg_within, None)
 
             if date_value:
-                date_gte = self.make_dt_aware(
+                date_gte = timezone.make_aware(
                     datetime.datetime.combine(date_value, datetime.time.min), self.get_timezone(request)
                 )
-                query_params[f'{self.field_path}__gte'] = date_gte
-                query_params[f'{self.field_path}__lt'] = date_gte + datetime.timedelta(days=1)
+                query_params[f"{self.field_path}__gte"] = date_gte
+                query_params[f"{self.field_path}__lt"] = date_gte + datetime.timedelta(days=1)
 
             return query_params
 
         def get_timezone(self, request):
             return timezone.get_default_timezone()
 
-        @staticmethod
-        def make_dt_aware(value, timezone):
-            if settings.USE_TZ and pytz is not None:
-                default_tz = timezone
-                if value.tzinfo is not None:
-                    value = default_tz.normalize(value)
-                else:
-                    value = default_tz.localize(value)
-            return value
-
 except ImportError:
     pass
 
@@ -83,7 +68,7 @@ def __init__(
         field_path: str,
     ) -> None:
         # validate select_related is defined now for early errors
-        if not hasattr(model_admin, 'list_filter_select_related'):
+        if not hasattr(model_admin, "list_filter_select_related"):
             raise ImproperlyConfigured(
                 "The list filter '%s' requires '%s' to define 'list_filter_select_related'."
                 % (
@@ -113,7 +98,7 @@ def _custom_field_get_choices(
         if field.choices is not None:
             choices = list(field.choices)
             if include_blank:
-                blank_defined = any(choice in ('', None) for choice, _ in field.flatchoices)
+                blank_defined = any(choice in ("", None) for choice, _ in field.flatchoices)
                 if not blank_defined:
                     choices = blank_choice + choices
             return choices
@@ -130,7 +115,7 @@ def field_choices(
         # re-implement Field get_choices as it doesn't return the queryset itself, but the strings already built...
         ordering = self.field_admin_ordering(field, request, model_admin)
         choice_func = operator.attrgetter(
-            field.remote_field.get_related_field().attname if hasattr(field.remote_field, 'get_related_field') else 'pk'
+            field.remote_field.get_related_field().attname if hasattr(field.remote_field, "get_related_field") else "pk"
         )
         qs = self._custom_field_get_choices(field, include_blank=False, ordering=ordering).select_related(
             *model_admin.list_filter_select_related[field.name]
@@ -152,14 +137,14 @@ def get_default_filters(self, request):
         raise NotImplementedError()
 
     def changelist_view(self, request, extra_context=None):
-        ref = request.META.get('HTTP_REFERER', '')
-        path = request.META.get('PATH_INFO', '')
+        ref = request.META.get("HTTP_REFERER", "")
+        path = request.META.get("PATH_INFO", "")
         # if any existing GET parameters, do not apply default filters
         # if referrer comes from changelist itself (or an action such as /add/), do not apply default filters
         if request.GET or path in ref:
             return super().changelist_view(request, extra_context=extra_context)
         query = urlencode(self.get_default_filters(request))
-        return redirect(f'{path}?{query}')
+        return redirect(f"{path}?{query}")
 
 
 def custom_titled_filter(title):