diff --git a/swift/common/wsgi.py b/swift/common/wsgi.py
index 3a75e7197f..e7504355b6 100644
--- a/swift/common/wsgi.py
+++ b/swift/common/wsgi.py
@@ -1084,8 +1084,8 @@ def make_env(env, method=None, path=None, agent='Swift', query_string=None,
     :returns: Fresh WSGI environment.
     """
     newenv = {}
-    for name in ('eventlet.posthooks', 'HTTP_USER_AGENT', 'HTTP_HOST',
-                 'PATH_INFO', 'QUERY_STRING', 'REMOTE_USER', 'REQUEST_METHOD',
+    for name in ('HTTP_USER_AGENT', 'HTTP_HOST', 'PATH_INFO',
+                 'QUERY_STRING', 'REMOTE_USER', 'REQUEST_METHOD',
                  'SCRIPT_NAME', 'SERVER_NAME', 'SERVER_PORT',
                  'HTTP_ORIGIN', 'HTTP_ACCESS_CONTROL_REQUEST_METHOD',
                  'SERVER_PROTOCOL', 'swift.cache', 'swift.source',
diff --git a/swift/proxy/controllers/obj.py b/swift/proxy/controllers/obj.py
index 8e1b9fbf0c..3df9648c6a 100644
--- a/swift/proxy/controllers/obj.py
+++ b/swift/proxy/controllers/obj.py
@@ -818,6 +818,13 @@ class BaseObjectController(Controller):
         self.object_name = dest_object
         # re-write the existing request as a PUT instead of creating a new one
         # since this one is already attached to the posthooklogger
+        # TODO: Swift now has proxy-logging middleware instead of
+        #       posthooklogger used in before. i.e. we don't have to
+        #       keep the code depends on evnetlet.posthooks sequence, IMHO.
+        #       However, creating a new sub request might
+        #       cause the possibility to hide some bugs behindes the request
+        #       so that we should discuss whichi is suitable (new-sub-request
+        #       vs re-write-existing-request) for Swift. [kota_]
         req.method = 'PUT'
         req.path_info = '/v1/%s/%s/%s' % \
                         (dest_account, dest_container, dest_object)