diff --git a/sapl/legacy/migration.py b/sapl/legacy/migration.py
index cb24664b0..9fee4683e 100644
--- a/sapl/legacy/migration.py
+++ b/sapl/legacy/migration.py
@@ -13,22 +13,23 @@ from django.core.exceptions import ObjectDoesNotExist
 from django.db import OperationalError, ProgrammingError, connections, models
 from django.db.models import CharField, Max, ProtectedError, TextField
 from django.db.models.base import ModelBase
+from django.db.models.signals import post_delete, post_save
 from model_mommy import mommy
 from model_mommy.mommy import foreign_key_required, make
 
 from sapl.base.models import Autor, ProblemaMigracao, Constraint, Argumento
 from sapl.comissoes.models import Comissao, Composicao, Participacao
 from sapl.legacy.models import Protocolo as ProtocoloLegado
-from sapl.materia.models import (StatusTramitacao, TipoDocumento,
+from sapl.materia.models import (StatusTramitacao, TipoDocumento, Tramitacao,
                                  TipoMateriaLegislativa, TipoProposicao,
-                                 Tramitacao)
+                                 DocumentoAcessorio, MateriaLegislativa)
 from sapl.norma.models import (AssuntoNorma, NormaJuridica,
                                TipoVinculoNormaJuridica)
 from sapl.parlamentares.models import Parlamentar
 from sapl.protocoloadm.models import Protocolo, StatusTramitacaoAdministrativo
 from sapl.sessao.models import ExpedienteMateria, OrdemDia
 from sapl.settings import PROJECT_DIR
-from sapl.utils import normalize
+from sapl.utils import normalize, save_texto, delete_texto
 
 # BASE ######################################################################
 #  apps to be migrated, in app dependency order (very important)
@@ -294,8 +295,8 @@ def get_last_value(model):
 
 def alter_sequence(model, id):
     sequence_name = '%s_id_seq' % model._meta.db_table
-    exec_sql('ALTER SEQUENCE %s RESTART WITH %s MINVALUE %s;' % (
-        sequence_name, id, id))
+    exec_sql('ALTER SEQUENCE %s RESTART WITH %s MINVALUE -1;' % (
+        sequence_name, id))
 
 
 def save_with_id(new, id):
@@ -310,8 +311,7 @@ def save_relation(obj, nome_campo='', problema='', descricao='',
                   eh_stub=False):
     link = ProblemaMigracao(
         content_object=obj, nome_campo=nome_campo, problema=problema,
-        descricao=descricao, eh_stub=eh_stub,
-    )
+        descricao=descricao, eh_stub=eh_stub,)
     link.save()
 
 
@@ -448,6 +448,8 @@ class DataMigrator:
         call([PROJECT_DIR.child('manage.py'), 'flush',
               '--database=default', '--no-input'], stdout=PIPE)
 
+        disconecta_sinais_indexacao()
+
         info('Começando migração: %s...' % obj)
         self._do_migrate(obj)
 
@@ -468,6 +470,8 @@ class DataMigrator:
         while self.delete_stubs():
             pass
 
+        conecta_sinais_indexacao()
+
     def _do_migrate(self, obj):
         if isinstance(obj, AppConfig):
             models_to_migrate = (model for model in obj.models.values()
@@ -761,3 +765,23 @@ def make_with_log(model, _quantity=None, make_m2m=False, **attrs):
     return stub
 
 make_with_log.required = foreign_key_required
+
+# DISCONNECT SIGNAL  ########################################################
+
+
+def disconecta_sinais_indexacao():
+    post_save.disconnect(save_texto, NormaJuridica)
+    post_save.disconnect(save_texto, DocumentoAcessorio)
+    post_save.disconnect(save_texto, MateriaLegislativa)
+    post_delete.disconnect(delete_texto, NormaJuridica)
+    post_delete.disconnect(delete_texto, DocumentoAcessorio)
+    post_delete.disconnect(delete_texto, MateriaLegislativa)
+
+
+def conecta_sinais_indexacao():
+    post_save.connect(save_texto, NormaJuridica)
+    post_save.connect(save_texto, DocumentoAcessorio)
+    post_save.connect(save_texto, MateriaLegislativa)
+    post_delete.connect(delete_texto, NormaJuridica)
+    post_delete.connect(delete_texto, DocumentoAcessorio)
+    post_delete.connect(delete_texto, MateriaLegislativa)
diff --git a/sapl/materia/signals.py b/sapl/materia/signals.py
index d913e9cd8..9f08b104c 100644
--- a/sapl/materia/signals.py
+++ b/sapl/materia/signals.py
@@ -1,29 +1,9 @@
-from subprocess import PIPE, call
-from threading import Thread
-
 from django.db.models.signals import post_delete, post_save
-
-from sapl.settings import PROJECT_DIR
+from sapl.utils import save_texto, delete_texto
 
 from .models import DocumentoAcessorio, MateriaLegislativa
 
 
-class UpdateIndexCommand(Thread):
-    def run(self):
-        call([PROJECT_DIR.child('manage.py'), 'update_index'],
-             stdout=PIPE)
-
-
-def save_texto(sender, instance, **kwargs):
-    update_index = UpdateIndexCommand()
-    update_index.start()
-
-
-def delete_texto(sender, instance, **kwargs):
-    update_index = UpdateIndexCommand()
-    update_index.start()
-
-
 post_save.connect(save_texto, sender=MateriaLegislativa)
 post_save.connect(save_texto, sender=DocumentoAcessorio)
 post_delete.connect(delete_texto, sender=MateriaLegislativa)
diff --git a/sapl/norma/signals.py b/sapl/norma/signals.py
index 20d405e49..3089e563e 100644
--- a/sapl/norma/signals.py
+++ b/sapl/norma/signals.py
@@ -1,28 +1,8 @@
-from subprocess import PIPE, call
-from threading import Thread
-
 from django.db.models.signals import post_delete, post_save
-
-from sapl.settings import PROJECT_DIR
+from sapl.utils import save_texto, delete_texto
 
 from .models import NormaJuridica
 
 
-class UpdateIndexCommand(Thread):
-    def run(self):
-        call([PROJECT_DIR.child('manage.py'), 'update_index'],
-             stdout=PIPE)
-
-
-def save_texto(sender, instance, **kwargs):
-    update_index = UpdateIndexCommand()
-    update_index.start()
-
-
-def delete_texto(sender, instance, **kwargs):
-    update_index = UpdateIndexCommand()
-    update_index.start()
-
-
 post_save.connect(save_texto, sender=NormaJuridica)
 post_delete.connect(delete_texto, sender=NormaJuridica)
diff --git a/sapl/utils.py b/sapl/utils.py
index 3a857f337..81ebea6cc 100644
--- a/sapl/utils.py
+++ b/sapl/utils.py
@@ -5,6 +5,8 @@ import re
 from datetime import date
 from functools import wraps
 from unicodedata import normalize as unicodedata_normalize
+from subprocess import PIPE, call
+from threading import Thread
 
 import django_filters
 import magic
@@ -22,7 +24,7 @@ from floppyforms import ClearableFileInput
 from reversion.admin import VersionAdmin
 
 from sapl.crispy_layout_mixin import SaplFormLayout, form_actions, to_row
-from sapl.settings import BASE_DIR
+from sapl.settings import BASE_DIR, PROJECT_DIR
 
 sapl_logger = logging.getLogger(BASE_DIR.name)
 
@@ -632,3 +634,19 @@ def texto_upload_path(instance, filename, subpath=''):
         }
 
     return path
+
+
+class UpdateIndexCommand(Thread):
+    def run(self):
+        call([PROJECT_DIR.child('manage.py'), 'update_index'],
+             stdout=PIPE)
+
+
+def save_texto(sender, instance, **kwargs):
+    update_index = UpdateIndexCommand()
+    update_index.start()
+
+
+def delete_texto(sender, instance, **kwargs):
+    update_index = UpdateIndexCommand()
+    update_index.start()