diff --git a/tenants/apps.py b/tenants/apps.py
index 71c4b9b..2a5fe6f 100644
--- a/tenants/apps.py
+++ b/tenants/apps.py
@@ -4,3 +4,27 @@ from django.apps import AppConfig
 class TenantsConfig(AppConfig):
     default_auto_field = 'django.db.models.BigAutoField'
     name = 'tenants'
+
+    def ready(self):
+        super().ready()
+        _ensure_tenants_group_exists()
+
+
+def _ensure_tenants_group_exists():
+    """
+    Make sure the "Tenants" group exists so users can be assigned to it.
+    Normally, we would want to do this in a migration. Unfortunately, Django
+    cannot currently (easily) assign permissions in a migration [1].
+    The `ready()` method above seems like a reasonable place to do it instead.
+    """
+    # We cannot import the following at the module level because Django has not
+    # been initialized yet:
+    from django.contrib.auth.models import Group, Permission
+    from winget.models import Package, Version, Installer
+    group, created = Group.objects.get_or_create(name='Tenants')
+    if created:
+        for model in (Package, Version, Installer):
+            for action in ('view', 'add', 'change', 'delete'):
+                codename = f'{action}_{model._meta.model_name}'
+                permission = Permission.objects.get(codename=codename)
+                group.permissions.add(permission)
diff --git a/tenants/templates/tenants/signup.html b/tenants/templates/tenants/signup.html
deleted file mode 100644
index 4c9f06d..0000000
--- a/tenants/templates/tenants/signup.html
+++ /dev/null
@@ -1,82 +0,0 @@
-{% extends "admin/base_site.html" %}
-{% load i18n static suit_tags %}
-{% load url from suit_compat %}
-
-{% block title %}Sign up | {{ 'ADMIN_NAME'|suit_conf }}{% endblock %}
-
-{% block bodyclass %}login{% endblock %}
-
-{% block nav-global %}{% endblock %}
-
-{% block content_title %}{% endblock %}
-
-{% block breadcrumbs %}{% endblock %}
-
-{% block header %}{% endblock %}
-
-{% block content-left %}{% endblock %}
-
-{% block container %}
-
-    {% block content %}
-
-        {% if form.errors and not form.non_field_errors %}
-            <p class="errornote alert alert-error">
-                {% blocktrans count counter=form.errors.items|length %}
-                    Please correct the error below.
-                {% plural %}
-                    Please correct the errors below.
-                {% endblocktrans %}
-            </p>
-        {% endif %}
-
-        {% if form.non_field_errors %}
-            {% for error in form.non_field_errors %}
-                <p class="errornote alert alert-error">
-                    {{ error }}
-                </p>
-            {% endfor %}
-        {% endif %}
-
-        <div id="content-main">
-            <h1><i class="icon-lock icon-white"></i> Sign up</h1>
-
-            <form action="{{ app_path }}" method="post">
-                {% csrf_token %}
-                <div class="form-row control-group{% if form.email.errors %} error{% endif %}">
-                    <label for="id_email" class="control-label required">
-                        {{ form.email.label }}:
-                    </label>
-                    {{ form.email }}
-                    {% if form.email.errors %}
-                        <div class="help-block">{{ form.email.errors }}</div>
-                    {% endif %}
-                </div>
-                <div class="form-row control-group{% if form.password1.errors %} error{% endif %}">
-                    <label for="id_password" class="control-label required">
-                        {{ form.password1.label }}
-                    </label>
-                    {{ form.password1 }}
-                    {% if form.password1.errors %}
-                        <div class="help-block">{{ form.password1.errors }}</div>
-                    {% endif %}
-                </div>
-                <div class="form-row control-group{% if form.password2.errors %} error{% endif %}">
-                    <label for="id_password" class="control-label required">
-                        {{ form.password2.label }}</label>
-                    {{ form.password2 }}
-                    {% if form.password2.errors %}
-                        <div class="help-block">{{ form.password2.errors }}</div>
-                    {% endif %}
-                </div>
-                <div class="submit-row">
-                    <input type="submit" value="Sign up" class="btn btn-info"/>
-                </div>
-            </form>
-
-            <script type="text/javascript">
-                document.getElementById('id_email').focus()
-            </script>
-        </div>
-    {% endblock %}
-{% endblock %}
\ No newline at end of file
diff --git a/tenants/urls.py b/tenants/urls.py
deleted file mode 100644
index 9aa5438..0000000
--- a/tenants/urls.py
+++ /dev/null
@@ -1,9 +0,0 @@
-from django.urls import path
-
-from tenants.views import signup
-
-app_name = 'tenants'
-
-urlpatterns = [
-    path('signup/', signup, name='signup')
-]
diff --git a/tenants/views.py b/tenants/views.py
deleted file mode 100644
index d6fbd41..0000000
--- a/tenants/views.py
+++ /dev/null
@@ -1,62 +0,0 @@
-from django.contrib.auth import login
-from django.contrib.auth.forms import UserCreationForm
-from django.contrib.auth.models import User, Permission, Group
-from django.db import transaction, IntegrityError
-from django.shortcuts import render, redirect
-from django.urls import reverse
-
-from tenants.models import Tenant
-from winget.models import Package, Version, Installer
-
-
-def signup(request):
-    if request.method == 'POST':
-        form = SignupForm(request.POST)
-        if form.is_valid():
-            try:
-                tenant = form.save()
-            except UserAlreadyExists:
-                form.add_error(
-                    'email', 'A user with this email already exists.'
-                )
-            else:
-                login(request, tenant.user)
-                return redirect(reverse('admin:index'))
-    else:
-        form = SignupForm()
-    return render(request, 'tenants/signup.html', {'form': form})
-
-
-class SignupForm(UserCreationForm):
-    class Meta:
-        model = User
-        fields = ('email',)
-
-    @transaction.atomic
-    def save(self, commit=True):
-        assert commit, 'commit=False is not implemented.'
-        user = super().save(commit=False)
-        user.username = user.email
-        user.is_staff = True
-        try:
-            user.save()
-            tenant = Tenant.objects.create(user=user)
-        except IntegrityError:
-            raise UserAlreadyExists()
-        user.groups.add(_get_or_create_tenants_group())
-        return tenant
-
-
-def _get_or_create_tenants_group():
-    group, created = Group.objects.get_or_create(name='Tenants')
-    if created:
-        for model in (Package, Version, Installer):
-            for action in ('view', 'add', 'change', 'delete'):
-                codename = f'{action}_{model._meta.model_name}'
-                permission = Permission.objects.get(codename=codename)
-                group.permissions.add(permission)
-    return group
-
-
-class UserAlreadyExists(IntegrityError):
-    pass
diff --git a/wpr/urls.py b/wpr/urls.py
index a3a7fa5..fa5916c 100644
--- a/wpr/urls.py
+++ b/wpr/urls.py
@@ -5,7 +5,6 @@ from django.urls import include, path
 
 urlpatterns = [
     path('', include('winget.urls')),
-    path('', include('tenants.urls')),
     path('admin/', admin.site.urls)
 ]