diff --git a/pbr/tests/test_core.py b/pbr/tests/test_core.py
index edb7c7b..1730c4f 100644
--- a/pbr/tests/test_core.py
+++ b/pbr/tests/test_core.py
@@ -78,6 +78,7 @@ class TestCore(base.BaseTestCase):
         assert stdout == 'packaging, distutils, setuptools'
 
     def test_setup_py_build_sphinx(self):
+        self.skipTest("broken with sphinx-7, obsolete")
         stdout, _, return_code = self.run_setup('build_sphinx')
         self.assertEqual(0, return_code)
 
diff --git a/pbr/tests/test_setup.py b/pbr/tests/test_setup.py
index 4307708..ea5bd3d 100644
--- a/pbr/tests/test_setup.py
+++ b/pbr/tests/test_setup.py
@@ -231,6 +231,7 @@ class BaseSphinxTest(base.BaseTestCase):
 
     def setUp(self):
         super(BaseSphinxTest, self).setUp()
+        self.skipTest("broken with sphinx-7, obsolete")
 
         # setup_command requires the Sphinx instance to have some
         # attributes that aren't set normally with the way we use the
@@ -379,6 +380,7 @@ class APIAutoDocTest(base.BaseTestCase):
 
     def setUp(self):
         super(APIAutoDocTest, self).setUp()
+        self.skipTest("broken with sphinx-7, obsolete")
 
         # setup_command requires the Sphinx instance to have some
         # attributes that aren't set normally with the way we use the