diff --git a/sapl/sessao/migrations/0018_auto_20180327_1433.py b/sapl/sessao/migrations/0018_auto_20180327_1433.py
new file mode 100644
index 000000000..692debf28
--- /dev/null
+++ b/sapl/sessao/migrations/0018_auto_20180327_1433.py
@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.11 on 2018-03-27 17:33
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('sessao', '0017_auto_20180316_0731'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='registrovotacao',
+            name='data_hora_atualizacao',
+        ),
+        migrations.RemoveField(
+            model_name='registrovotacao',
+            name='data_hora_criacao',
+        ),
+    ]
diff --git a/sapl/sessao/models.py b/sapl/sessao/models.py
index 49448eecc..90736d6e0 100644
--- a/sapl/sessao/models.py
+++ b/sapl/sessao/models.py
@@ -417,16 +417,6 @@ class RegistroVotacao(models.Model):
     observacao = models.TextField(
         blank=True, verbose_name=_('Observações'))
 
-    data_hora_criacao = models.DateTimeField(
-        blank=True, null=True,
-        auto_now_add=True,
-        verbose_name=_('Data Criação'))
-
-    data_hora_atualizacao = models.DateTimeField(
-        blank=True, null=True,
-        auto_now=True,
-        verbose_name=_('Data'))
-
     class Meta:
         verbose_name = _('Votação')
         verbose_name_plural = _('Votações')