diff --git a/openwisp_monitoring/check/tests/test_models.py b/openwisp_monitoring/check/tests/test_models.py
index 7851fbf7d..34f38ace9 100644
--- a/openwisp_monitoring/check/tests/test_models.py
+++ b/openwisp_monitoring/check/tests/test_models.py
@@ -145,7 +145,7 @@ def test_auto_check_creation(self):
     def test_device_deleted(self):
         self.assertEqual(Check.objects.count(), 0)
         d = self._create_device(organization=self._create_org())
-        self.assertEqual(Check.objects.count(), 2)
+        self.assertEqual(Check.objects.count(), 3)
         d.delete()
         self.assertEqual(Check.objects.count(), 0)
 
@@ -156,7 +156,7 @@ def test_config_modified_device_problem(self):
         self._create_config(status='modified', organization=self._create_org())
         d = Device.objects.first()
         d.monitoring.update_status('ok')
-        self.assertEqual(Check.objects.count(), 2)
+        self.assertEqual(Check.objects.count(), 3)
         self.assertEqual(Metric.objects.count(), 0)
         self.assertEqual(AlertSettings.objects.count(), 0)
         check = Check.objects.filter(check_type=self._CONFIG_APPLIED).first()
@@ -186,7 +186,7 @@ def test_config_error(self):
         self._create_config(status='error', organization=self._create_org())
         dm = Device.objects.first().monitoring
         dm.update_status('ok')
-        self.assertEqual(Check.objects.count(), 2)
+        self.assertEqual(Check.objects.count(), 3)
         self.assertEqual(Metric.objects.count(), 0)
         self.assertEqual(AlertSettings.objects.count(), 0)
         check = Check.objects.filter(check_type=self._CONFIG_APPLIED).first()
@@ -219,7 +219,7 @@ def test_config_error(self):
     @patch('openwisp_monitoring.check.settings.AUTO_PING', False)
     def test_config_check_critical_metric(self):
         self._create_config(status='modified', organization=self._create_org())
-        self.assertEqual(Check.objects.count(), 2)
+        self.assertEqual(Check.objects.count(), 3)
         d = Device.objects.first()
         dm = d.monitoring
         dm.update_status('ok')
@@ -238,7 +238,7 @@ def test_config_check_critical_metric(self):
 
     def test_no_duplicate_check_created(self):
         self._create_config(organization=self._create_org())
-        self.assertEqual(Check.objects.count(), 2)
+        self.assertEqual(Check.objects.count(), 3)
         d = Device.objects.first()
         auto_create_config_check.delay(
             model=Device.__name__.lower(),
@@ -261,7 +261,7 @@ def test_device_unreachable_no_config_check(self):
         self._create_config(status='modified', organization=self._create_org())
         d = self.device_model.objects.first()
         d.monitoring.update_status('critical')
-        self.assertEqual(Check.objects.count(), 2)
+        self.assertEqual(Check.objects.count(), 3)
         c2 = Check.objects.filter(check_type=self._CONFIG_APPLIED).first()
         c2.perform_check()
         self.assertEqual(Metric.objects.count(), 0)
@@ -272,7 +272,7 @@ def test_device_unknown_no_config_check(self):
         self._create_config(status='modified', organization=self._create_org())
         d = self.device_model.objects.first()
         d.monitoring.update_status('unknown')
-        self.assertEqual(Check.objects.count(), 2)
+        self.assertEqual(Check.objects.count(), 3)
         c2 = Check.objects.filter(check_type=self._CONFIG_APPLIED).first()
         c2.perform_check()
         self.assertEqual(Metric.objects.count(), 0)
diff --git a/openwisp_monitoring/check/tests/test_ping.py b/openwisp_monitoring/check/tests/test_ping.py
index eca696021..295984a26 100644
--- a/openwisp_monitoring/check/tests/test_ping.py
+++ b/openwisp_monitoring/check/tests/test_ping.py
@@ -239,7 +239,7 @@ def test_store_result(self, mocked_method):
         device.management_ip = '10.40.0.1'
         device.save()
         # check created automatically by autoping
-        self.assertEqual(Check.objects.count(), 2)
+        self.assertEqual(Check.objects.count(), 3)
         self.assertEqual(Metric.objects.count(), 0)
         self.assertEqual(Chart.objects.count(), 0)
         self.assertEqual(AlertSettings.objects.count(), 0)
diff --git a/openwisp_monitoring/device/tests/test_transactions.py b/openwisp_monitoring/device/tests/test_transactions.py
index 72b673c58..1f71b709c 100644
--- a/openwisp_monitoring/device/tests/test_transactions.py
+++ b/openwisp_monitoring/device/tests/test_transactions.py
@@ -62,6 +62,8 @@ def test_trigger_device_recovery_task_regression(
         dm = self._create_device_monitoring()
         dm.device.management_ip = None
         dm.device.save()
+        # Delete snmp check to prevent unnecessary response timeout
+        Check.objects.filter(check_type__endswith='Snmp').delete()
         trigger_device_checks.delay(dm.device.pk)
         self.assertTrue(Check.objects.exists())
         # we expect update_status() to be called once (by the check)
diff --git a/openwisp_monitoring/tests/test_selenium.py b/openwisp_monitoring/tests/test_selenium.py
index e4eebe1b8..1def83f66 100644
--- a/openwisp_monitoring/tests/test_selenium.py
+++ b/openwisp_monitoring/tests/test_selenium.py
@@ -82,6 +82,8 @@ def test_restoring_deleted_device(self):
         org = self._get_org()
         self._create_credentials(auto_add=True, organization=org)
         device = self._create_config(organization=org).device
+        # Delete snmp check to prevent unnecessary response timeout
+        Check.objects.filter(check_type__endswith='Snmp').delete()
         device_data = DeviceData.objects.get(id=device.id)
         device_checks = device_data.checks.all()
         for check in device_checks: