3 files changed, 3 insertions, 21 deletions
diff --git a/src/mailman/archiving/prototype.py b/src/mailman/archiving/prototype.py
index 73983cf8d..9790129da 100644
--- a/src/mailman/archiving/prototype.py
+++ b/src/mailman/archiving/prototype.py
@@ -17,13 +17,7 @@
 
 """Prototypical permalinking archiver."""
 
-__all__ = [
-    'Prototype',
-    ]
-
-
 import os
-import errno
 import logging
 
 from contextlib import suppress
diff --git a/src/mailman/archiving/tests/test_mhonarc.py b/src/mailman/archiving/tests/test_mhonarc.py
index 2cb7ab765..803875bd4 100644
--- a/src/mailman/archiving/tests/test_mhonarc.py
+++ b/src/mailman/archiving/tests/test_mhonarc.py
@@ -17,11 +17,6 @@
 
 """Test the MHonArc archiver."""
 
-__all__ = [
-    'TestMhonarc',
-    ]
-
-
 import os
 import sys
 import shutil
diff --git a/src/mailman/archiving/tests/test_prototype.py b/src/mailman/archiving/tests/test_prototype.py
index 1f7514f16..54fbc06af 100644
--- a/src/mailman/archiving/tests/test_prototype.py
+++ b/src/mailman/archiving/tests/test_prototype.py
@@ -17,11 +17,6 @@
 
 """Test the prototype archiver."""
 
-__all__ = [
-    'TestPrototypeArchiver',
-    ]
-
-
 import os
 import shutil
 import tempfile
@@ -63,10 +58,12 @@ but the water deserves to be swum.
         # Set up a temporary directory for the prototype archiver so that it's
         # easier to clean up.
         self._tempdir = tempfile.mkdtemp()
+        self.addCleanup(shutil.rmtree, self._tempdir)
         config.push('prototype', """
         [paths.testing]
-        archive_dir: {0}
+        archive_dir: {}
         """.format(self._tempdir))
+        self.addCleanup(config.pop, 'prototype')
         # Capture the structure of a maildir.
         self._expected_dir_structure = set(
             (os.path.join(config.ARCHIVE_DIR, path) for path in (
@@ -78,10 +75,6 @@ but the water deserves to be swum.
                 )))
         self._expected_dir_structure.add(config.ARCHIVE_DIR)
 
-    def tearDown(self):
-        shutil.rmtree(self._tempdir)
-        config.pop('prototype')
-
     def _find(self, path):
         all_filenames = set()
         for dirpath, dirnames, filenames in os.walk(path):