diff --git a/base/admin.py b/base/admin.py
index 0d8e82faf..37e400946 100644
--- a/base/admin.py
+++ b/base/admin.py
@@ -2,8 +2,7 @@ from django.contrib import admin
 
 from base.models import ProblemaMigracao
 from sapl.utils import register_all_models_in_admin
-from django.contrib import admin
-from base.models import ProblemaMigracao
+from django.core.urlresolvers import reverse
 
 register_all_models_in_admin(__name__)
 
@@ -16,7 +15,9 @@ class ProblemaMigracaoAdmin(admin.ModelAdmin):
                     "descricao", "get_url"]
 
     def get_url(self, obj):
-        return "<a href='%s'>%s</a>" % (obj.endereco, obj.endereco)
+        info = (obj._meta.app_label, obj._meta.model_name)
+        endereco = reverse('admin:%s_%s_change' % info, args=(obj.pk,))
+        return "<a href='%s'>%s</a>" % (endereco, endereco)
 
-    get_url.short_description = "Endereco"
+    get_url.short_description = "Endereço"
     get_url.allow_tags = True
diff --git a/base/migrations/0013_remove_problemamigracao_endereco.py b/base/migrations/0013_remove_problemamigracao_endereco.py
new file mode 100644
index 000000000..67526693d
--- /dev/null
+++ b/base/migrations/0013_remove_problemamigracao_endereco.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.5 on 2016-05-02 17:36
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('base', '0012_problemamigracao_eh_stub'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='problemamigracao',
+            name='endereco',
+        ),
+    ]
diff --git a/base/models.py b/base/models.py
index 8af741c0d..9a94c9eb8 100644
--- a/base/models.py
+++ b/base/models.py
@@ -2,8 +2,6 @@ from django.contrib.contenttypes.fields import GenericForeignKey
 from django.contrib.contenttypes.models import ContentType
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
-from django.contrib.contenttypes.fields import GenericForeignKey
-from django.contrib.contenttypes.models import ContentType
 from sapl.utils import UF
 
 
@@ -59,7 +57,6 @@ class ProblemaMigracao(models.Model):
                                 verbose_name=_('Problema'))
     descricao = models.CharField(max_length=300, null=True,
                                  verbose_name=_('Descrição'))
-    endereco = models.URLField(null=True, verbose_name=_('Endereço'))
     eh_stub = models.BooleanField(verbose_name='É stub?')
 
     class Meta:
diff --git a/legacy/migration.py b/legacy/migration.py
index f1210d363..d69da781c 100644
--- a/legacy/migration.py
+++ b/legacy/migration.py
@@ -130,11 +130,6 @@ def get_field(model, fieldname):
     return model._meta.get_field(fieldname)
 
 
-def get_url(object):
-    info = (object._meta.app_label, object._meta.model_name)
-    return reverse('admin:%s_%s_change' % info, args=(object.pk,))
-
-
 def exec_sql(sql, db='default'):
     cursor = connections[db].cursor()
     cursor.execute(sql)
@@ -185,18 +180,13 @@ def recreate_constraints():
 
 
 def stub_desnecessario(obj):
-    lista = [
+    lista_fields = [
         f for f in obj._meta.get_fields()
         if (f.one_to_many or f.one_to_one) and f.auto_created
     ]
     desnecessario = not any(
         rr.related_model.objects.filter(**{rr.field.name: obj}).exists()
-        for rr in lista if rr)
-    if isinstance(obj, TipoMateriaLegislativa):
-        desnecessario = not any(
-            rr.related_model.objects.filter(
-                **{rr.field.name + '_origem_externa': obj}).exists()
-            for rr in lista if rr)
+        for rr in lista_fields)
     return desnecessario
 
 
@@ -215,8 +205,7 @@ def save_with_id(new, id):
 
 def save_relation(obj, problema='', descricao='', eh_stub=False):
     link = ProblemaMigracao(content_object=obj, problema=problema,
-                            descricao=descricao, endereco=get_url(obj),
-                            eh_stub=eh_stub)
+                            descricao=descricao, eh_stub=eh_stub)
     link.save()
 
 
@@ -272,7 +261,7 @@ class DataMigrator:
                     if not matches:
                         descricao = 'A data 0001-01-01 foi colocada no lugar'
                         warn(msg +
-                             '=> ' + descricao)
+                             ' => ' + descricao)
                         value = '0001-01-01'
                         self.data_mudada['obj'] = new
                         self.data_mudada['descricao'] = descricao
diff --git a/materia/models.py b/materia/models.py
index c241f7632..08d5165f6 100644
--- a/materia/models.py
+++ b/materia/models.py
@@ -80,7 +80,7 @@ class MateriaLegislativa(models.Model):
         TipoMateriaLegislativa,
         blank=True,
         null=True,
-        related_name='+',
+        related_name='tipo_origem_externa_set',
         verbose_name=_('Tipo'))
     numero_origem_externa = models.CharField(
         max_length=5, blank=True, verbose_name=_('Número'))