diff --git a/common/test/acceptance/tests/discussion/test_discussion.py b/common/test/acceptance/tests/discussion/test_discussion.py
index 66f2a6d443..6805150e3a 100644
--- a/common/test/acceptance/tests/discussion/test_discussion.py
+++ b/common/test/acceptance/tests/discussion/test_discussion.py
@@ -1016,7 +1016,7 @@ class DiscussionEditorPreviewTest(UniqueCourseTest):
 
 
 @attr(shard=2)
-class InlineDiscussionTest(UniqueCourseTest, DiscussionResponsePaginationTestMixin):
+class InlineDiscussionTest(UniqueCourseTest):
     """
     Tests for inline discussions
     """
@@ -1052,13 +1052,6 @@ class InlineDiscussionTest(UniqueCourseTest, DiscussionResponsePaginationTestMix
         self.discussion_page = InlineDiscussionPage(self.browser, self.discussion_id)
         self.additional_discussion_page = InlineDiscussionPage(self.browser, self.additional_discussion_id)
 
-    def setup_thread_page(self, thread_id):
-        self.browser.refresh()
-        if not self.discussion_page.is_discussion_expanded():
-            self.discussion_page.expand_discussion()
-        self.discussion_page.show_thread(thread_id)
-        self.thread_page = self.discussion_page.thread_page  # pylint: disable=attribute-defined-outside-init
-
     # This test is too flaky to run at all. TNL-6215
     @attr('a11y')
     @nottest
@@ -1105,34 +1098,6 @@ class InlineDiscussionTest(UniqueCourseTest, DiscussionResponsePaginationTestMix
     def test_discussion_empty(self):
         self.assertEqual(self.discussion_page.get_num_displayed_threads(), 0)
 
-    def check_anonymous_to_peers(self, is_staff):
-        thread = Thread(id=uuid4().hex, anonymous_to_peers=True, commentable_id=self.discussion_id)
-        thread_fixture = SingleThreadViewFixture(thread)
-        thread_fixture.push()
-        self.setup_thread_page(thread.get("id"))  # pylint: disable=no-member
-        self.assertEqual(self.thread_page.is_thread_anonymous(), not is_staff)
-
-    def test_anonymous_to_peers_threads_as_staff(self):
-        AutoAuthPage(self.browser, course_id=self.course_id, roles="Administrator").visit()
-        self.courseware_page.visit()
-        self.check_anonymous_to_peers(True)
-
-    def test_anonymous_to_peers_threads_as_peer(self):
-        self.check_anonymous_to_peers(False)
-
-    def test_discussion_blackout_period(self):
-        self.start_discussion_blackout_period()
-        self.browser.refresh()
-        thread = Thread(id=uuid4().hex, commentable_id=self.discussion_id)
-        thread_fixture = SingleThreadViewFixture(thread)
-        thread_fixture.addResponse(
-            Response(id="response1"),
-            [Comment(id="comment1", user_id="other"), Comment(id="comment2", user_id=self.user_id)])
-        thread_fixture.push()
-        self.setup_thread_page(thread.get("id"))  # pylint: disable=no-member
-        self.assertFalse(self.thread_page.has_add_response_button())
-        self.assertFalse(self.thread_page.is_element_visible("action-more"))
-
     def test_dual_discussion_xblock(self):
         """
         Scenario: Two discussion xblocks in one unit shouldn't override their actions