diff --git a/sapl/api/serializers.py b/sapl/api/serializers.py
index 9853d8718..9219bf0e4 100644
--- a/sapl/api/serializers.py
+++ b/sapl/api/serializers.py
@@ -110,7 +110,6 @@ class SessaoPlenariaSerializer(serializers.ModelSerializer):
 
     def __init__(self, *args, **kwargs):
         super(SessaoPlenariaSerializer, self).__init__(args, kwargs)
-        casa = CasaLegislativa.objects.first()
 
     def get_pk_sessao(self, obj):
         return obj.pk
diff --git a/sapl/api/views.py b/sapl/api/views.py
index 2909d5a0a..9853e6af0 100644
--- a/sapl/api/views.py
+++ b/sapl/api/views.py
@@ -173,8 +173,6 @@ class AutoresProvaveisListView(ListAPIView):
     serializer_class = ChoiceSerializer
 
     def get_queryset(self):
-        queryset = ListAPIView.get_queryset(self)
-
         params = {'content_type__isnull': False}
 
         tipo = ''
diff --git a/sapl/compilacao/views.py b/sapl/compilacao/views.py
index 142b7f46d..c0071cdd2 100644
--- a/sapl/compilacao/views.py
+++ b/sapl/compilacao/views.py
@@ -142,7 +142,6 @@ class IntegracaoTaView(TemplateView):
                 implemente, ou passe `None` para as chaves que são fixas.
             """)
 
-        map_fields = self.map_fields
         ta_values = getattr(self, 'ta_values', {})
 
         item = get_object_or_404(self.model, pk=kwargs['pk'])
diff --git a/sapl/materia/apps.py b/sapl/materia/apps.py
index ecc8d09de..3ac053d1b 100644
--- a/sapl/materia/apps.py
+++ b/sapl/materia/apps.py
@@ -6,6 +6,3 @@ class AppConfig(apps.AppConfig):
     name = 'sapl.materia'
     label = 'materia'
     verbose_name = _('Matéria')
-
-    def ready(self):
-        from . import signals
diff --git a/sapl/materia/signals.py b/sapl/materia/signals.py
index e774b0191..b9afb6ee9 100644
--- a/sapl/materia/signals.py
+++ b/sapl/materia/signals.py
@@ -1,6 +1,4 @@
 import django.dispatch
-from django.db.models.signals import post_delete, post_save
 
-from .models import DocumentoAcessorio, MateriaLegislativa
 
 tramitacao_signal = django.dispatch.Signal(providing_args=['post', 'request'])
diff --git a/sapl/materia/views.py b/sapl/materia/views.py
index 9182a220f..9e9b63e45 100644
--- a/sapl/materia/views.py
+++ b/sapl/materia/views.py
@@ -1,4 +1,4 @@
-from datetime import date, datetime
+from datetime import datetime
 from random import choice
 from string import ascii_letters, digits
 
diff --git a/sapl/protocoloadm/views.py b/sapl/protocoloadm/views.py
index fe2390a8c..4804849b9 100644
--- a/sapl/protocoloadm/views.py
+++ b/sapl/protocoloadm/views.py
@@ -10,7 +10,7 @@ from django.db.models import Max, Q
 from django.http import Http404, HttpResponse, JsonResponse
 from django.shortcuts import redirect
 from django.utils.translation import ugettext_lazy as _
-from django.views.generic import CreateView, DetailView, ListView
+from django.views.generic import CreateView, ListView
 from django.views.generic.base import TemplateView
 from django_filters.views import FilterView
 
@@ -29,7 +29,7 @@ from .forms import (AnularProcoloAdmForm, DocumentoAcessorioAdministrativoForm,
                     ProtocoloFilterSet, ProtocoloMateriaForm,
                     TramitacaoAdmEditForm, TramitacaoAdmForm)
 from .models import (DocumentoAcessorioAdministrativo, DocumentoAdministrativo,
-                     Protocolo, StatusTramitacaoAdministrativo,
+                     StatusTramitacaoAdministrativo,
                      TipoDocumentoAdministrativo, TramitacaoAdministrativo)
 
 TipoDocumentoAdministrativoCrud = CrudAux.build(
@@ -470,7 +470,8 @@ class ProtocoloMateriaView(PermissionRequiredMixin, CreateView):
         autor_parlamentar = Autor.objects.filter(
             content_type=model_parlamentar, object_id__in=lista_parlamentares)
 
-        lista_comissoes = Comissao.objects.filter(Q(data_extincao__isnull=True) | Q(
+        lista_comissoes = Comissao.objects.filter(Q(
+            data_extincao__isnull=True) | Q(
             data_extincao__gt=date.today())).values_list('id', flat=True)
         model_comissao = ContentType.objects.get_for_model(Comissao)
         autor_comissoes = Autor.objects.filter(
diff --git a/sapl/sessao/views.py b/sapl/sessao/views.py
index e29a9ee5e..410f62ac7 100644
--- a/sapl/sessao/views.py
+++ b/sapl/sessao/views.py
@@ -728,8 +728,6 @@ class PresencaOrdemDiaView(FormMixin, PresencaMixin, DetailView):
         self.object = self.get_object()
         form = self.get_form()
 
-        pk = kwargs['pk']
-
         if form.is_valid():
             # Pegar os presentes salvos no banco
             presentes_banco = PresencaOrdemDia.objects.filter(