diff --git a/plinth/modules/calibre/tests/test_functional.py b/plinth/modules/calibre/tests/test_functional.py
index 6e52d026a..0c8237eb6 100644
--- a/plinth/modules/calibre/tests/test_functional.py
+++ b/plinth/modules/calibre/tests/test_functional.py
@@ -10,7 +10,7 @@ import pytest
 
 from plinth.tests import functional
 
-pytestmark = [pytest.mark.apps, pytest.mark.sso, pytest.mark.calibre]
+pytestmark = [pytest.mark.apps, pytest.mark.calibre]
 
 
 class TestCalibreApp(functional.BaseAppTests):
diff --git a/plinth/modules/kiwix/tests/test_functional.py b/plinth/modules/kiwix/tests/test_functional.py
index 5912c4622..938887944 100644
--- a/plinth/modules/kiwix/tests/test_functional.py
+++ b/plinth/modules/kiwix/tests/test_functional.py
@@ -12,7 +12,7 @@ from plinth.tests import functional
 
 from .test_privileged import ZIM_ID
 
-pytestmark = [pytest.mark.apps, pytest.mark.sso, pytest.mark.kiwix]
+pytestmark = [pytest.mark.apps, pytest.mark.kiwix]
 
 _default_url = functional.config['DEFAULT']['url']
 
diff --git a/plinth/modules/searx/tests/test_functional.py b/plinth/modules/searx/tests/test_functional.py
index 74f952c91..3fb5a3235 100644
--- a/plinth/modules/searx/tests/test_functional.py
+++ b/plinth/modules/searx/tests/test_functional.py
@@ -4,9 +4,10 @@ Functional, browser based tests for searx app.
 """
 
 import pytest
+
 from plinth.tests import functional
 
-pytestmark = [pytest.mark.apps, pytest.mark.searx, pytest.mark.sso]
+pytestmark = [pytest.mark.apps, pytest.mark.searx]
 
 
 @pytest.fixture(scope='module', autouse=True)
diff --git a/plinth/modules/syncthing/tests/test_functional.py b/plinth/modules/syncthing/tests/test_functional.py
index 8d1804089..561638245 100644
--- a/plinth/modules/syncthing/tests/test_functional.py
+++ b/plinth/modules/syncthing/tests/test_functional.py
@@ -6,9 +6,10 @@ Functional, browser based tests for syncthing app.
 import time
 
 import pytest
+
 from plinth.tests import functional
 
-pytestmark = [pytest.mark.apps, pytest.mark.syncthing, pytest.mark.sso]
+pytestmark = [pytest.mark.apps, pytest.mark.syncthing]
 
 
 class TestSyncthingApp(functional.BaseAppTests):
diff --git a/plinth/modules/transmission/tests/test_functional.py b/plinth/modules/transmission/tests/test_functional.py
index 33773f493..6ef88f7ae 100644
--- a/plinth/modules/transmission/tests/test_functional.py
+++ b/plinth/modules/transmission/tests/test_functional.py
@@ -10,7 +10,7 @@ from splinter.exceptions import ElementDoesNotExist
 
 from plinth.tests import functional
 
-pytestmark = [pytest.mark.apps, pytest.mark.transmission, pytest.mark.sso]
+pytestmark = [pytest.mark.apps, pytest.mark.transmission]
 
 
 class TestTransmissionApp(functional.BaseAppTests):