diff --git a/hc/accounts/tests/test_pruneusers.py b/hc/accounts/tests/test_pruneusers.py
index e51bc68c..b18746ec 100644
--- a/hc/accounts/tests/test_pruneusers.py
+++ b/hc/accounts/tests/test_pruneusers.py
@@ -6,6 +6,7 @@ from hc.accounts.management.commands.pruneusers import Command
 from hc.accounts.models import Project
 from hc.api.models import Check
 from hc.test import BaseTestCase
+from mock import Mock
 
 
 class PruneUsersTestCase(BaseTestCase):
@@ -19,7 +20,7 @@ class PruneUsersTestCase(BaseTestCase):
         charlies_project = Project.objects.create(owner=self.charlie)
         Check(project=charlies_project).save()
 
-        Command().handle()
+        Command(stdout=Mock()).handle()
 
         self.assertEqual(User.objects.filter(username="charlie").count(), 0)
         self.assertEqual(Check.objects.count(), 0)
@@ -29,6 +30,7 @@ class PruneUsersTestCase(BaseTestCase):
         self.bob.last_login = self.year_ago
         self.bob.save()
 
-        Command().handle()
+        Command(stdout=Mock()).handle()
+
         # Bob belongs to a team so should not get removed
         self.assertEqual(User.objects.filter(username="bob").count(), 1)
diff --git a/hc/accounts/tests/test_senddeletionnotices.py b/hc/accounts/tests/test_senddeletionnotices.py
index a9257dcf..0187622a 100644
--- a/hc/accounts/tests/test_senddeletionnotices.py
+++ b/hc/accounts/tests/test_senddeletionnotices.py
@@ -24,8 +24,7 @@ class SendDeletionNoticesTestCase(BaseTestCase):
         self.project.member_set.all().delete()
 
     def test_it_sends_notice(self):
-        cmd = Command()
-        cmd.stdout = Mock()  # silence output to stdout
+        cmd = Command(stdout=Mock())
         cmd.pause = Mock()  # don't pause for 1s
 
         result = cmd.handle()
@@ -42,10 +41,7 @@ class SendDeletionNoticesTestCase(BaseTestCase):
         self.alice.last_login = now() - td(days=15)
         self.alice.save()
 
-        cmd = Command()
-        cmd.stdout = Mock()  # silence output to stdout
-
-        result = cmd.handle()
+        result = Command(stdout=Mock()).handle()
         self.assertEqual(result, "Done! Sent 0 notices")
 
         self.profile.refresh_from_db()
@@ -56,10 +52,7 @@ class SendDeletionNoticesTestCase(BaseTestCase):
         self.alice.date_joined = now() - td(days=15)
         self.alice.save()
 
-        cmd = Command()
-        cmd.stdout = Mock()  # silence output to stdout
-
-        result = cmd.handle()
+        result = Command(stdout=Mock()).handle()
         self.assertEqual(result, "Done! Sent 0 notices")
 
         self.profile.refresh_from_db()
@@ -70,10 +63,7 @@ class SendDeletionNoticesTestCase(BaseTestCase):
         self.profile.deletion_notice_date = now() - td(days=15)
         self.profile.save()
 
-        cmd = Command()
-        cmd.stdout = Mock()  # silence output to stdout
-
-        result = cmd.handle()
+        result = Command(stdout=Mock()).handle()
         self.assertEqual(result, "Done! Sent 0 notices")
 
     def test_it_checks_sms_limit(self):
@@ -81,10 +71,7 @@ class SendDeletionNoticesTestCase(BaseTestCase):
         self.profile.sms_limit = 50
         self.profile.save()
 
-        cmd = Command()
-        cmd.stdout = Mock()  # silence output to stdout
-
-        result = cmd.handle()
+        result = Command(stdout=Mock()).handle()
         self.assertEqual(result, "Done! Sent 0 notices")
 
         self.profile.refresh_from_db()
@@ -94,10 +81,7 @@ class SendDeletionNoticesTestCase(BaseTestCase):
         # bob has access to alice's project
         Member.objects.create(user=self.bob, project=self.project)
 
-        cmd = Command()
-        cmd.stdout = Mock()  # silence output to stdout
-
-        result = cmd.handle()
+        result = Command(stdout=Mock()).handle()
         self.assertEqual(result, "Done! Sent 0 notices")
 
         self.profile.refresh_from_db()
@@ -107,10 +91,7 @@ class SendDeletionNoticesTestCase(BaseTestCase):
         check = Check.objects.create(project=self.project)
         Ping.objects.create(owner=check)
 
-        cmd = Command()
-        cmd.stdout = Mock()  # silence output to stdout
-
-        result = cmd.handle()
+        result = Command(stdout=Mock()).handle()
         self.assertEqual(result, "Done! Sent 0 notices")
 
         self.profile.refresh_from_db()
@@ -121,8 +102,5 @@ class SendDeletionNoticesTestCase(BaseTestCase):
         self.profile.last_active_date = now() - td(days=15)
         self.profile.save()
 
-        cmd = Command()
-        cmd.stdout = Mock()  # silence output to stdout
-
-        result = cmd.handle()
+        result = Command(stdout=Mock()).handle()
         self.assertEqual(result, "Done! Sent 0 notices")
diff --git a/hc/api/tests/test_prunepingsslow.py b/hc/api/tests/test_prunepingsslow.py
index 0db46549..fca88663 100644
--- a/hc/api/tests/test_prunepingsslow.py
+++ b/hc/api/tests/test_prunepingsslow.py
@@ -4,6 +4,7 @@ from django.utils import timezone
 from hc.api.management.commands.prunepingsslow import Command
 from hc.api.models import Check, Ping
 from hc.test import BaseTestCase
+from mock import Mock
 
 
 class PrunePingsSlowTestCase(BaseTestCase):
@@ -19,6 +20,6 @@ class PrunePingsSlowTestCase(BaseTestCase):
         Ping.objects.create(owner=c, n=1)
         Ping.objects.create(owner=c, n=2)
 
-        Command().handle()
+        Command(stdout=Mock()).handle()
 
         self.assertEqual(Ping.objects.count(), 1)
diff --git a/hc/api/tests/test_sendreports.py b/hc/api/tests/test_sendreports.py
index 0ddc4e49..94590d1b 100644
--- a/hc/api/tests/test_sendreports.py
+++ b/hc/api/tests/test_sendreports.py
@@ -32,8 +32,7 @@ class SendReportsTestCase(BaseTestCase):
         self.check.save()
 
     def test_it_sends_report(self):
-        cmd = Command()
-        cmd.stdout = Mock()  # silence output to stdout
+        cmd = Command(stdout=Mock())
         cmd.pause = Mock()  # don't pause for 1s
 
         found = cmd.handle_one_monthly_report()
@@ -84,8 +83,7 @@ class SendReportsTestCase(BaseTestCase):
         self.assertEqual(len(mail.outbox), 0)
 
     def test_it_sends_nag(self):
-        cmd = Command()
-        cmd.stdout = Mock()  # silence output to stdout
+        cmd = Command(stdout=Mock())
         cmd.pause = Mock()  # don't pause for 1s
 
         found = cmd.handle_one_nag()