diff --git a/date_range/tests/test_date_range.py b/date_range/tests/test_date_range.py
index 87e86b6..ccba1f1 100644
--- a/date_range/tests/test_date_range.py
+++ b/date_range/tests/test_date_range.py
@@ -3,12 +3,10 @@
 
 import datetime
 
-import odoo
 from odoo.exceptions import ValidationError
 from odoo.tests.common import TransactionCase
 
 
-@odoo.tests.tagged('post_install', '-at_install')
 class DateRangeTest(TransactionCase):
 
     def setUp(self):
diff --git a/date_range/tests/test_date_range_generator.py b/date_range/tests/test_date_range_generator.py
index 5f44cb2..5133854 100644
--- a/date_range/tests/test_date_range_generator.py
+++ b/date_range/tests/test_date_range_generator.py
@@ -5,12 +5,10 @@ import datetime
 
 from dateutil.rrule import MONTHLY
 
-import odoo
 from odoo.exceptions import ValidationError
 from odoo.tests.common import TransactionCase
 
 
-@odoo.tests.tagged('post_install', '-at_install')
 class DateRangeGeneratorTest(TransactionCase):
 
     def setUp(self):
diff --git a/date_range/tests/test_date_range_type.py b/date_range/tests/test_date_range_type.py
index e00c899..fc98b88 100644
--- a/date_range/tests/test_date_range_type.py
+++ b/date_range/tests/test_date_range_type.py
@@ -3,13 +3,11 @@
 
 from psycopg2 import IntegrityError
 
-import odoo
 from odoo.exceptions import ValidationError
 from odoo.tests.common import TransactionCase
 from odoo.tools import mute_logger
 
 
-@odoo.tests.tagged('post_install', '-at_install')
 class DateRangeTypeTest(TransactionCase):
 
     def setUp(self):