diff --git a/proposals/migrations/0001_initial.py b/proposals/migrations/0001_initial.py
index facebe5..927a56a 100644
--- a/proposals/migrations/0001_initial.py
+++ b/proposals/migrations/0001_initial.py
@@ -1,8 +1,9 @@
 # -*- coding: utf-8 -*-
-# Generated by Django 1.9.7 on 2016-06-12 15:10
+# Generated by Django 1.9.7 on 2016-06-12 16:42
 from __future__ import unicode_literals
 
 import autoslug.fields
+from django.conf import settings
 import django.contrib.sites.managers
 from django.db import migrations, models
 import django.db.models.deletion
@@ -15,7 +16,7 @@ class Migration(migrations.Migration):
 
     dependencies = [
         ('sites', '0002_alter_domain_unique'),
-        ('accounts', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
     ]
 
     operations = [
@@ -23,8 +24,8 @@ class Migration(migrations.Migration):
             name='Speach',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('order', models.IntegerField(choices=[(1, '1'), (2, '2'), (3, '3'), (4, '4'), (5, '5'), (6, '6'), (7, '7')])),
-                ('speaker', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='accounts.Speaker')),
+                ('order', models.IntegerField(choices=[(1, '1'), (2, '2'), (3, '3'), (4, '4'), (5, '5'), (6, '6'), (7, '7')], default=1)),
+                ('speaker', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
             ],
             options={
                 'ordering': ['talk', 'order'],
@@ -38,7 +39,7 @@ class Migration(migrations.Migration):
                 ('slug', autoslug.fields.AutoSlugField(editable=False, populate_from='title', unique=True)),
                 ('description', models.TextField(blank=True, verbose_name='Description')),
                 ('site', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='sites.Site')),
-                ('speakers', models.ManyToManyField(through='proposals.Speach', to='accounts.Speaker')),
+                ('speakers', models.ManyToManyField(through='proposals.Speach', to=settings.AUTH_USER_MODEL)),
             ],
             managers=[
                 ('objects', django.db.models.manager.Manager()),
@@ -51,11 +52,6 @@ class Migration(migrations.Migration):
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('name', models.CharField(max_length=128, unique=True, verbose_name='Name')),
                 ('slug', autoslug.fields.AutoSlugField(editable=False, populate_from='name', unique=True)),
-                ('site', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='sites.Site')),
-            ],
-            managers=[
-                ('objects', django.db.models.manager.Manager()),
-                ('on_site', django.contrib.sites.managers.CurrentSiteManager()),
             ],
         ),
         migrations.AddField(
@@ -70,6 +66,6 @@ class Migration(migrations.Migration):
         ),
         migrations.AlterUniqueTogether(
             name='speach',
-            unique_together=set([('speaker', 'talk'), ('order', 'talk')]),
+            unique_together=set([('order', 'talk'), ('speaker', 'talk')]),
         ),
     ]
diff --git a/proposals/models.py b/proposals/models.py
index 9dbccf7..cab911b 100644
--- a/proposals/models.py
+++ b/proposals/models.py
@@ -1,3 +1,4 @@
+from django.contrib.auth.models import User
 from django.contrib.sites.managers import CurrentSiteManager
 from django.contrib.sites.models import Site
 from django.core.urlresolvers import reverse
@@ -5,8 +6,6 @@ from django.db import models
 
 from autoslug import AutoSlugField
 
-from accounts.models import Speaker
-
 __all__ = ['Topic', 'Talk', 'Speach']
 
 
@@ -26,7 +25,7 @@ class Talk(models.Model):
 
     site = models.ForeignKey(Site, on_delete=models.CASCADE)
 
-    speakers = models.ManyToManyField(Speaker, through='Speach')
+    speakers = models.ManyToManyField(User, through='Speach')
     title = models.CharField(max_length=128, verbose_name='Title')
     slug = AutoSlugField(populate_from='title', unique=True)
     description = models.TextField(blank=True, verbose_name='Description')
@@ -46,7 +45,7 @@ class Speach(models.Model):
 
     SPEAKER_NO = tuple((i, str(i)) for i in range(1, 8))
 
-    speaker = models.ForeignKey(Speaker, on_delete=models.CASCADE)
+    speaker = models.ForeignKey(User, on_delete=models.CASCADE)
     talk = models.ForeignKey(Talk, on_delete=models.CASCADE)
     order = models.IntegerField(choices=SPEAKER_NO, default=1)
 
@@ -64,4 +63,4 @@ class Speach(models.Model):
         return self.talk.get_absolute_url()
 
     def username(self):
-        return self.speaker.user.username
+        return self.speaker.username
diff --git a/proposals/templates/accounts/speaker_list.html b/proposals/templates/auth/user_list.html
similarity index 100%
rename from proposals/templates/accounts/speaker_list.html
rename to proposals/templates/auth/user_list.html
diff --git a/proposals/templates/proposals/talk_detail.html b/proposals/templates/proposals/talk_detail.html
index c42e2a4..4d3840c 100644
--- a/proposals/templates/proposals/talk_detail.html
+++ b/proposals/templates/proposals/talk_detail.html
@@ -16,7 +16,7 @@
 
 <ul>
 {% for speaker in talk.speakers.all %}
-    <li><a href="{% url 'show-user' speaker.user.username %}">{{ speaker }}</a></li>
+    <li><a href="{% url 'show-user' speaker.username %}">{{ speaker }}</a></li>
 {% empty %}
     <li><i>No speaker.</i></li>
 {% endfor %}
diff --git a/proposals/views.py b/proposals/views.py
index 8ea6ea8..e56cc28 100644
--- a/proposals/views.py
+++ b/proposals/views.py
@@ -1,12 +1,13 @@
 from django.contrib import messages
 from django.contrib.auth.decorators import login_required
 from django.contrib.auth.mixins import LoginRequiredMixin
+from django.contrib.auth.models import User
 from django.contrib.sites.shortcuts import get_current_site
 from django.core.exceptions import PermissionDenied
 from django.shortcuts import get_object_or_404, redirect, render
 from django.views.generic import DetailView, ListView
 
-from accounts.models import Profile, Speaker
+from accounts.models import Speaker
 from proposals.forms import TalkForm
 from proposals.models import Speach, Talk, Topic
 
@@ -18,8 +19,8 @@ def home(request):
 @login_required
 def talk_list(request):
     return render(request, 'proposals/talks.html', {
-        'my_talks': Talk.on_site.filter(speakers__user=request.user),
-        'other_talks': Talk.on_site.exclude(speakers__user=request.user),
+        'my_talks': Talk.on_site.filter(speakers=request.user),
+        'other_talks': Talk.on_site.exclude(speakers=request.user),
     })
 
 
@@ -34,7 +35,7 @@ def talk_list_by_topic(request, topic):
 
 @login_required
 def talk_list_by_speaker(request, speaker):
-    speaker = get_object_or_404(Speaker, user__username=speaker)
+    speaker = get_object_or_404(User, username=speaker)
     return render(request, 'proposals/talk_list.html', {
         'title': 'Talks with %s:' % speaker,
         'talks': Talk.on_site.filter(speakers=speaker),
@@ -47,7 +48,7 @@ def talk_edit(request, talk=None):
         talk = get_object_or_404(Talk, slug=talk)
         if talk.site != get_current_site(request):
             raise PermissionDenied()
-        if not request.user.is_superuser and not talk.speakers.filter(user=request.user).exists():
+        if not request.user.is_superuser and request.user not in talk.speakers.all():
             # FIXME fine permissions
             raise PermissionDenied()
     form = TalkForm(request.POST or None, instance=talk)
@@ -60,8 +61,8 @@ def talk_edit(request, talk=None):
             talk = form.save(commit=False)
             talk.site = site
             talk.save()
-            speaker = Speaker.on_site.get_or_create(user=request.user, site=site)[0]
-            Speach.objects.create(speaker=speaker, talk=talk)
+            Speaker.on_site.get_or_create(user=request.user, site=site)
+            Speach.objects.create(speaker=request.user, talk=talk)
             messages.success(request, 'Talk proposed successfully!')
         return redirect(talk.get_absolute_url())
     return render(request, 'proposals/talk_edit.html', {
@@ -78,11 +79,11 @@ class TopicList(LoginRequiredMixin, ListView):
 
 
 class SpeakerList(LoginRequiredMixin, ListView):
-    queryset = Speaker.on_site.all()
+    queryset = User.objects.filter(speach__talk=Talk.on_site.all())
 
 
 @login_required
 def user_details(request, username):
     return render(request, 'proposals/user_details.html', {
-        'user': get_object_or_404(Profile, user__username=username),
+        'user': get_object_or_404(User, username=username).profile,
     })