diff --git a/sigi/apps/casas/models.py b/sigi/apps/casas/models.py
index 1ca27b7..f1554a9 100644
--- a/sigi/apps/casas/models.py
+++ b/sigi/apps/casas/models.py
@@ -5,7 +5,7 @@ from string import ascii_uppercase
 from unicodedata import normalize
 from django.core.exceptions import ValidationError
 from django.utils.translation import ugettext as _
-from django.contrib.contenttypes import generic
+from django.contrib.contenttypes.fields import GenericRelation
 from django.db import models
 from image_cropping import ImageRatioField
 
@@ -132,7 +132,7 @@ class Orgao(models.Model):
         blank=True,
         editable=True
     )
-    telefones = generic.GenericRelation('contatos.Telefone')
+    telefones = GenericRelation('contatos.Telefone')
 
     foto = models.ImageField(
         _(u"Foto"),
@@ -194,8 +194,8 @@ class Orgao(models.Model):
                 return self.funcionario_set.get(setor='presidente')
         except Funcionario.DoesNotExist:
             return None
-    
-    @property    
+
+    @property
     def contato_interlegis(self):
         """ Link para acessar diretamente o contato do presidente da casa
             Util para relatorios antigos
diff --git a/sigi/apps/contatos/models.py b/sigi/apps/contatos/models.py
index 155d978..79bf0ca 100644
--- a/sigi/apps/contatos/models.py
+++ b/sigi/apps/contatos/models.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
-from django.contrib.contenttypes import generic
+from django.contrib.contenttypes.fields import (GenericForeignKey,
+                                                GenericRelation)
 from django.contrib.contenttypes.models import ContentType
 from django.core.validators import MaxValueValidator, MinValueValidator
 from django.db import models
@@ -193,7 +194,7 @@ class Telefone(models.Model):
     content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
     # identificador do registro na classe vinculado a esse registro
     object_id = models.PositiveIntegerField()
-    content_object = generic.GenericForeignKey(
+    content_object = GenericForeignKey(
         'content_type',
         'object_id',
     )
@@ -216,7 +217,7 @@ class Contato(models.Model):
     nota = models.CharField(max_length=70, blank=True)
 
     email = models.EmailField(_(u'e-mail'), blank=True)
-    telefones = generic.GenericRelation(Telefone)
+    telefones = GenericRelation(Telefone)
 
     municipio = models.ForeignKey(
         Municipio,
@@ -230,7 +231,7 @@ class Contato(models.Model):
     content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
     # identificador do registro na classe vinculado a esse registro
     object_id = models.PositiveIntegerField()
-    content_object = generic.GenericForeignKey(
+    content_object = GenericForeignKey(
         'content_type',
         'object_id',
     )
@@ -326,7 +327,7 @@ class Endereco(models.Model):
     content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
     # identificador do registro na classe vinculado a esse registro
     object_id = models.PositiveIntegerField()
-    content_object = generic.GenericForeignKey(
+    content_object = GenericForeignKey(
         'content_type',
         'object_id',
     )
diff --git a/sigi/apps/inventario/models.py b/sigi/apps/inventario/models.py
index 24ecf6e..10a6bd2 100644
--- a/sigi/apps/inventario/models.py
+++ b/sigi/apps/inventario/models.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-from django.contrib.contenttypes import generic
+from django.contrib.contenttypes.fields import GenericRelation
 from django.db import models
 from django.utils.translation import ugettext as _
 
@@ -9,8 +9,8 @@ class Fornecedor(models.Model):
     nome.alphabetic_filter = True
     email = models.EmailField(_(u'e-mail'), blank=True)
     pagina_web = models.URLField(_(u'página web'), blank=True)
-    telefones = generic.GenericRelation('contatos.Telefone')
-    contatos = generic.GenericRelation('contatos.Contato')
+    telefones = GenericRelation('contatos.Telefone')
+    contatos = GenericRelation('contatos.Contato')
 
     class Meta:
         ordering = ('nome',)
diff --git a/sigi/apps/servidores/models.py b/sigi/apps/servidores/models.py
index 3a05411..0bae16c 100644
--- a/sigi/apps/servidores/models.py
+++ b/sigi/apps/servidores/models.py
@@ -1,6 +1,5 @@
 # -*- coding: utf-8 -*-
 from django.contrib.auth.models import User
-from django.contrib.contenttypes import generic
 from django.db import models
 from django.db.models.signals import post_save, pre_save
 from django.utils.translation import ugettext as _