diff --git a/swift/common/middleware/s3api/controllers/multi_upload.py b/swift/common/middleware/s3api/controllers/multi_upload.py
index f589ec3bf7..51586bad0e 100644
--- a/swift/common/middleware/s3api/controllers/multi_upload.py
+++ b/swift/common/middleware/s3api/controllers/multi_upload.py
@@ -541,7 +541,7 @@ class UploadController(Controller):
         upload_id = req.params['uploadId']
         resp = _get_upload_info(req, self.app, upload_id)
         headers = {}
-        for key, val in resp.headers.iteritems():
+        for key, val in resp.headers.items():
             _key = key.lower()
             if _key.startswith('x-amz-meta-'):
                 headers['x-object-meta-' + _key[11:]] = val
diff --git a/swift/common/middleware/s3api/s3response.py b/swift/common/middleware/s3api/s3response.py
index da79ce3b54..c340865f70 100644
--- a/swift/common/middleware/s3api/s3response.py
+++ b/swift/common/middleware/s3api/s3response.py
@@ -94,7 +94,7 @@ class S3Response(S3ResponseBase, swob.Response):
             s3api_sysmeta_prefix = sysmeta_prefix(_server_type).lower()
             return sysmeta_key.lower().startswith(s3api_sysmeta_prefix)
 
-        for key, val in self.headers.iteritems():
+        for key, val in self.headers.items():
             if is_sys_meta('object', key) or is_sys_meta('container', key):
                 _server_type = key.split('-')[1]
                 if is_swift3_sysmeta(key, _server_type):
@@ -113,7 +113,7 @@ class S3Response(S3ResponseBase, swob.Response):
                 sw_headers[key] = val
 
         # Handle swift headers
-        for key, val in sw_headers.iteritems():
+        for key, val in sw_headers.items():
             _key = key.lower()
 
             if _key.startswith('x-object-meta-'):
diff --git a/test/unit/common/middleware/s3api/helpers.py b/test/unit/common/middleware/s3api/helpers.py
index 8cf1b7963c..fe8ba8f55c 100644
--- a/test/unit/common/middleware/s3api/helpers.py
+++ b/test/unit/common/middleware/s3api/helpers.py
@@ -153,7 +153,7 @@ class FakeSwift(object):
         if (method, path) in self._responses:
             old_headers = self._responses[(method, path)][1]
             headers = headers.copy()
-            for key, value in old_headers.iteritems():
+            for key, value in old_headers.items():
                 if is_sys_meta(resource, key) and key not in headers:
                     # keep old sysmeta for s3acl
                     headers.update({key: value})
diff --git a/test/unit/common/middleware/s3api/test_obj.py b/test/unit/common/middleware/s3api/test_obj.py
index 08be5fee26..ef7bb839ca 100644
--- a/test/unit/common/middleware/s3api/test_obj.py
+++ b/test/unit/common/middleware/s3api/test_obj.py
@@ -92,7 +92,7 @@ class TestS3ApiObj(S3ApiTestCase):
         self.assertEqual(status.split()[0], '200')
 
         unexpected_headers = []
-        for key, val in self.response_headers.iteritems():
+        for key, val in self.response_headers.items():
             if key in ('Content-Length', 'Content-Type', 'content-encoding',
                        'last-modified', 'cache-control', 'Content-Disposition',
                        'Content-Language', 'expires', 'x-robots-tag'):