diff --git a/src/plone/restapi/tests/test_services_navroot.py b/src/plone/restapi/tests/test_services_navroot.py
index 327b48847b..512c8a6ef9 100644
--- a/src/plone/restapi/tests/test_services_navroot.py
+++ b/src/plone/restapi/tests/test_services_navroot.py
@@ -41,7 +41,7 @@ def setUp(self):
         api.content.transition(obj=self.portal.news.document, transition="publish")
         transaction.commit()
 
-        self.api_session = RelativeSession(self.portal_url, test=self)
+        self.api_session = RelativeSession(self.portal_url)
         self.api_session.headers.update({"Accept": "application/json"})
 
     def test_get_navroot(self):
@@ -143,7 +143,7 @@ def setUp(self):
         api.content.transition(obj=self.portal.en.news, transition="publish")
         api.content.transition(obj=self.portal.en.news.document, transition="publish")
 
-        self.api_session = RelativeSession(self.portal_url, test=self)
+        self.api_session = RelativeSession(self.portal_url)
         self.api_session.headers.update({"Accept": "application/json"})
 
         transaction.commit()
diff --git a/src/plone/restapi/tests/test_services_site.py b/src/plone/restapi/tests/test_services_site.py
index 1bd9069eb5..0f6c75e1d1 100644
--- a/src/plone/restapi/tests/test_services_site.py
+++ b/src/plone/restapi/tests/test_services_site.py
@@ -18,7 +18,7 @@ def setUp(self):
         self.portal_url = self.portal.absolute_url()
         setRoles(self.portal, TEST_USER_ID, ["Manager"])
 
-        self.api_session = RelativeSession(self.portal_url, test=self)
+        self.api_session = RelativeSession(self.portal_url)
         self.api_session.headers.update({"Accept": "application/json"})
 
     def test_get_site(self):