diff --git a/aleksis/core/apps.py b/aleksis/core/apps.py
index 93b383001d6e7a96e9416467d13fcfcfa182277f..1dcb1b1a450100a1eb8c375a2db47baf387d0807 100644
--- a/aleksis/core/apps.py
+++ b/aleksis/core/apps.py
@@ -2,7 +2,6 @@ from typing import Any, List, Optional, Tuple
 
 import django.apps
 from django.http import HttpRequest
-from django.shortcuts import get_user_model
 
 from dynamic_preferences.registries import preference_models
 
@@ -16,9 +15,6 @@ from .util.core_helpers import has_person
 from .util.sass_helpers import clean_scss
 
 
-User = get_user_model()
-
-
 class CoreConfig(AppConfig):
     name = "aleksis.core"
     verbose_name = "AlekSIS — The Free School Information System"
diff --git a/aleksis/core/util/apps.py b/aleksis/core/util/apps.py
index d7cbb67f104f11ed8c5179266528fe2d4345a403..009cd2ad3b9d4eb9f28ddeea6a4b4bd952078a60 100644
--- a/aleksis/core/util/apps.py
+++ b/aleksis/core/util/apps.py
@@ -2,7 +2,6 @@ from importlib import import_module
 from typing import Any, List, Optional, Sequence, Tuple
 
 import django.apps
-from django.contrib.auth import get_user_model
 from django.contrib.auth.signals import user_logged_in, user_logged_out
 from django.db.models.signals import post_migrate, pre_migrate
 from django.http import HttpRequest
@@ -14,9 +13,6 @@ from spdx_license_list import LICENSES
 from .core_helpers import copyright_years
 
 
-User = get_user_model()
-
-
 class AppConfig(django.apps.AppConfig):
     """An extended version of DJango's AppConfig container."""
     def ready(self):
diff --git a/aleksis/core/util/notifications.py b/aleksis/core/util/notifications.py
index f2887dea1644c43eb029ff3f075aadb491fbb2d0..2c7172a1d28a0c69c705fd9390e090ffdac61e3c 100644
--- a/aleksis/core/util/notifications.py
+++ b/aleksis/core/util/notifications.py
@@ -10,7 +10,6 @@ from django.utils.translation import gettext_lazy as _
 
 from templated_email import send_templated_mail
 
-from .models import Notification
 from .core_helpers import lazy_preference
 
 try: