diff --git a/swift/obj/server.py b/swift/obj/server.py
index f5897327a7..970706ca9f 100644
--- a/swift/obj/server.py
+++ b/swift/obj/server.py
@@ -95,24 +95,17 @@ def _make_backend_fragments_header(fragments):
     return None
 
 
-if six.PY2:
-    class EventletPlungerString(str):
-        """
-        Eventlet won't send headers until it's accumulated at least
-        eventlet.wsgi.MINIMUM_CHUNK_SIZE bytes or the app iter is exhausted.
-        If we want to send the response body behind Eventlet's back, perhaps
-        with some zero-copy wizardry, then we have to unclog the plumbing in
-        eventlet.wsgi to force the headers out, so we use an
-        EventletPlungerString to empty out all of Eventlet's buffers.
-        """
-        def __len__(self):
-            return wsgi.MINIMUM_CHUNK_SIZE + 1
-else:
-    # Eventlet of 0.23.0 does encode('ascii') and strips our __len__.
-    # Avoid it by inheriting from bytes.
-    class EventletPlungerString(bytes):
-        def __len__(self):
-            return wsgi.MINIMUM_CHUNK_SIZE + 1
+class EventletPlungerString(bytes):
+    """
+    Eventlet won't send headers until it's accumulated at least
+    eventlet.wsgi.MINIMUM_CHUNK_SIZE bytes or the app iter is exhausted.
+    If we want to send the response body behind Eventlet's back, perhaps
+    with some zero-copy wizardry, then we have to unclog the plumbing in
+    eventlet.wsgi to force the headers out, so we use an
+    EventletPlungerString to empty out all of Eventlet's buffers.
+    """
+    def __len__(self):
+        return wsgi.MINIMUM_CHUNK_SIZE + 1
 
 
 class ObjectController(BaseStorageServer):
diff --git a/test/unit/__init__.py b/test/unit/__init__.py
index 24c0eb08b2..abe4d492bf 100644
--- a/test/unit/__init__.py
+++ b/test/unit/__init__.py
@@ -48,7 +48,6 @@ from swift.obj import server
 from hashlib import md5
 import logging.handlers
 
-import six
 from six.moves import range
 from six import BytesIO
 from six.moves.http_client import HTTPException
@@ -924,7 +923,7 @@ def fake_http_connect(*code_iter, **kwargs):
         def getheaders(self):
             etag = self.etag
             if not etag:
-                if isinstance(self.body, six.binary_type):
+                if isinstance(self.body, bytes):
                     etag = '"' + md5(self.body).hexdigest() + '"'
                 else:
                     etag = '"68b329da9893e34099c7d8ad5cb9c940"'
diff --git a/test/unit/obj/test_server.py b/test/unit/obj/test_server.py
index a2e7fb2ac2..b5f454b778 100644
--- a/test/unit/obj/test_server.py
+++ b/test/unit/obj/test_server.py
@@ -6863,7 +6863,10 @@ class TestObjectController(unittest.TestCase):
                 })
             resp = req.get_response(self.object_controller)
             self.assertEqual(resp.status_int, 200)
-            suffix = list(pickle.loads(resp.body).keys())[0]
+            suffixes = list(pickle.loads(resp.body).keys())
+            self.assertEqual(1, len(suffixes),
+                             'Expected just one suffix; got %r' % (suffixes,))
+            suffix = suffixes[0]
             self.assertEqual(suffix, os.path.basename(
                 os.path.dirname(objfile._datadir)))
             # tombstone still exists
@@ -7619,7 +7622,7 @@ class TestObjectServer(unittest.TestCase):
         if six.PY2:
             conn.sock.fd._sock.close()
         else:
-            conn.sock.fd.close()
+            conn.sock.fd._real_close()
         for i in range(2):
             sleep(0)
         self.assertFalse(self.logger.get_lines_for_level('error'))
@@ -7722,7 +7725,7 @@ class TestObjectServer(unittest.TestCase):
 
         # give the object server a little time to trampoline enough to
         # recognize request has finished, or socket has closed or whatever
-        sleep(0.1)
+        sleep(0.01)
 
     def test_multiphase_put_client_disconnect_right_before_commit(self):
         with self._check_multiphase_put_commit_handling() as context:
@@ -7731,7 +7734,7 @@ class TestObjectServer(unittest.TestCase):
             if six.PY2:
                 conn.sock.fd._sock.close()
             else:
-                conn.sock.fd.close()
+                conn.sock.fd._real_close()
         sleep(0)
 
         put_timestamp = context['put_timestamp']
@@ -7775,7 +7778,7 @@ class TestObjectServer(unittest.TestCase):
             if six.PY2:
                 conn.sock.fd._sock.close()
             else:
-                conn.sock.fd.close()
+                conn.sock.fd._real_close()
         sleep(0)
 
         put_timestamp = context['put_timestamp']
@@ -7957,7 +7960,7 @@ class TestObjectServer(unittest.TestCase):
             if six.PY2:
                 conn.sock.fd._sock.close()
             else:
-                conn.sock.fd.close()
+                conn.sock.fd._real_close()
         sleep(0)
 
         # and make sure it demonstrates the client disconnect
@@ -8155,7 +8158,7 @@ class TestObjectServer(unittest.TestCase):
             if six.PY2:
                 conn.sock.fd._sock.close()
             else:
-                conn.sock.fd.close()
+                conn.sock.fd._real_close()
         sleep(0)
 
         # and make sure it demonstrates the client disconnect