diff --git a/.zuul.yaml b/.zuul.yaml
index 438835df60..efa0344972 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -35,8 +35,6 @@
     check:
       jobs:
         - magnum-tempest-plugin-tests-api
-        - magnum-tempest-plugin-tests-api-jammy
     gate:
       jobs:
         - magnum-tempest-plugin-tests-api
-        - magnum-tempest-plugin-tests-api-jammy
diff --git a/HACKING.rst b/HACKING.rst
index 0731a2ce70..eb79bc4dcc 100644
--- a/HACKING.rst
+++ b/HACKING.rst
@@ -18,7 +18,6 @@ Magnum Specific Commandments
 - [M336] Must use a dict comprehension instead of a dict constructor
   with a sequence of key-value pairs.
 - [M338] Use assertIn/NotIn(A, B) rather than assertEqual(A in B, True/False).
-- [M339] Don't use xrange()
 - [M340] Check for explicit import of the _ function.
 - [M352] LOG.warn is deprecated. Enforce use of LOG.warning.
 - [M353] String interpolation should be delayed at logging calls.
diff --git a/magnum/hacking/checks.py b/magnum/hacking/checks.py
index fe710b7bc6..645d362266 100644
--- a/magnum/hacking/checks.py
+++ b/magnum/hacking/checks.py
@@ -44,8 +44,6 @@
     r"(.)*assertTrue\(isinstance\((\w|\.|\'|\"|\[|\])+, "
     r"(\w|\.|\'|\"|\[|\])+\)\)")
 dict_constructor_with_list_copy_re = re.compile(r".*\bdict\((\[)?(\(|\[)")
-assert_xrange_re = re.compile(
-    r"\s*xrange\s*\(")
 log_translation = re.compile(
     r"(.)*LOG\.(audit|error|critical)\(\s*('|\")")
 log_translation_info = re.compile(
@@ -102,16 +100,6 @@ def assert_equal_in(logical_line):
                   "contents.")
 
 
-@core.flake8ext
-def no_xrange(logical_line):
-    """Disallow 'xrange()'
-
-    M339
-    """
-    if assert_xrange_re.match(logical_line):
-        yield (0, "M339: Do not use xrange().")
-
-
 @core.flake8ext
 def use_timeutils_utcnow(logical_line, filename):
     # tools are OK to use the standard datetime module
diff --git a/magnum/tests/unit/objects/test_objects.py b/magnum/tests/unit/objects/test_objects.py
index 3cebe0f550..dd29ccb5df 100644
--- a/magnum/tests/unit/objects/test_objects.py
+++ b/magnum/tests/unit/objects/test_objects.py
@@ -154,16 +154,10 @@ def test_load_in_base(self):
         class Foo(base.MagnumPersistentObject, base.MagnumObject):
             fields = {'foobar': fields.IntegerField()}
         obj = Foo(self.context)
-        # NOTE(danms): Can't use assertRaisesRegexp() because of py26
-        raised = False
-        ex = None
-        try:
+
+        def fail():
             obj.foobar
-        except NotImplementedError as e:
-            raised = True
-            ex = e
-        self.assertTrue(raised)
-        self.assertIn('foobar', str(ex))
+        self.assertRaisesRegex(NotImplementedError, 'foobar', fail)
 
     def test_loaded_in_primitive(self):
         obj = MyObj(self.context)
diff --git a/magnum/tests/unit/test_hacking.py b/magnum/tests/unit/test_hacking.py
index da10937776..f96bb14e91 100644
--- a/magnum/tests/unit/test_hacking.py
+++ b/magnum/tests/unit/test_hacking.py
@@ -150,16 +150,6 @@ def test_assert_true_isinstance(self):
         code = "self.assertTrue()"
         self._assert_has_no_errors(code, check)
 
-    def test_no_xrange(self):
-        errors = [(1, 0, "M339")]
-        check = checks.no_xrange
-
-        code = "xrange(45)"
-        self._assert_has_errors(code, check, errors)
-
-        code = "range(45)"
-        self._assert_has_no_errors(code, check)
-
     def test_no_log_warn(self):
         errors = [(1, 0, "M352")]
         check = checks.no_log_warn
diff --git a/tox.ini b/tox.ini
index fc70e87281..2d3e78838e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -116,7 +116,6 @@ extension =
     M322 = checks:no_mutable_default_args
     M336 = checks:dict_constructor_with_list_copy
     M338 = checks:assert_equal_in
-    M339 = checks:no_xrange
     M340 = checks:check_explicit_underscore_import
     M352 = checks:no_log_warn
 paths = ./magnum/hacking