diff --git a/sigi/apps/convenios/admin.py b/sigi/apps/convenios/admin.py
index 2f5435f..b744c13 100644
--- a/sigi/apps/convenios/admin.py
+++ b/sigi/apps/convenios/admin.py
@@ -77,8 +77,9 @@ class ConvenioAdmin(BaseModelAdmin):
     ordering = ('casa_legislativa', '-data_retorno_assinatura')
     raw_id_fields = ('casa_legislativa',)
     get_queryset = queryset_ascii
-    search_fields = ('id', 'search_text',  'casa_legislativa__sigla',
-                     'num_processo_sf', 'num_convenio')
+    search_fields = ('id', 'casa_legislativa__search_text',
+                     'casa_legislativa__sigla', 'num_processo_sf',
+                     'num_convenio')
 
     def get_uf(self, obj):
         return obj.casa_legislativa.municipio.uf.sigla
diff --git a/sigi/apps/convenios/migrations/0015_remove_convenio_search_text.py b/sigi/apps/convenios/migrations/0015_remove_convenio_search_text.py
new file mode 100644
index 0000000..c187381
--- /dev/null
+++ b/sigi/apps/convenios/migrations/0015_remove_convenio_search_text.py
@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('convenios', '0014_gescon'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='convenio',
+            name='search_text',
+        ),
+    ]
diff --git a/sigi/apps/convenios/models.py b/sigi/apps/convenios/models.py
index 4982a5f..d2aea00 100644
--- a/sigi/apps/convenios/models.py
+++ b/sigi/apps/convenios/models.py
@@ -54,7 +54,6 @@ class Convenio(models.Model):
         verbose_name=_(u'órgão conveniado')
     )
     # campo de busca em caixa baixa e sem acentos
-    search_text = SearchField(field_names=['casa_legislativa'])
     projeto = models.ForeignKey(
         Projeto,
         on_delete=models.PROTECT,