diff --git a/news/244.tests b/news/244.tests
new file mode 100644
index 0000000000..0ee4acc1f6
--- /dev/null
+++ b/news/244.tests
@@ -0,0 +1,2 @@
+Explicitly globally disable comments in the tests that need it.
+[maurits]
\ No newline at end of file
diff --git a/src/plone/restapi/tests/test_dxcontent_serializer.py b/src/plone/restapi/tests/test_dxcontent_serializer.py
index 789cf865fa..6fd514956f 100644
--- a/src/plone/restapi/tests/test_dxcontent_serializer.py
+++ b/src/plone/restapi/tests/test_dxcontent_serializer.py
@@ -527,6 +527,9 @@ def test_allow_discussion_by_default(self):
         self.assertEqual(False, obj["allow_discussion"])
 
     def test_allow_discussion_obj_instance_allows_but_not_global_enabled(self):
+        registry = queryUtility(IRegistry)
+        settings = registry.forInterface(IDiscussionSettings, check=False)
+        settings.globally_enabled = False
         self.portal.invokeFactory("Document", id="doc2")
         self.portal.doc2.allow_discussion = True
         serializer = getMultiAdapter((self.portal.doc2, self.request), ISerializeToJson)
@@ -536,6 +539,9 @@ def test_allow_discussion_obj_instance_allows_but_not_global_enabled(self):
         self.assertEqual(False, obj["allow_discussion"])
 
     def test_allow_discussion_fti_allows_not_global_enabled(self):
+        registry = queryUtility(IRegistry)
+        settings = registry.forInterface(IDiscussionSettings, check=False)
+        settings.globally_enabled = False
         self.portal.invokeFactory("Document", id="doc2")
         portal_types = getToolByName(self.portal, "portal_types")
         document_fti = getattr(portal_types, self.portal.doc2.portal_type)