diff --git a/s3tests_boto3/functional/test_s3.py b/s3tests_boto3/functional/test_s3.py
index cfd0f0a..f0348ea 100644
--- a/s3tests_boto3/functional/test_s3.py
+++ b/s3tests_boto3/functional/test_s3.py
@@ -5932,7 +5932,6 @@ def _check_content_using_range(key, bucket_name, data, step):
         body = _get_body(response)
         assert body == data[ofs:end+1]
 
-@pytest.mark.fails_on_aws
 @pytest.mark.fails_on_dbstore
 def test_multipart_upload():
     bucket_name = get_new_bucket()
@@ -5947,12 +5946,9 @@ def test_multipart_upload():
     # check extra client.complete_multipart_upload
     client.complete_multipart_upload(Bucket=bucket_name, Key=key, UploadId=upload_id, MultipartUpload={'Parts': parts})
 
-    response = client.head_bucket(Bucket=bucket_name)
-    rgw_bytes_used = int(response['ResponseMetadata']['HTTPHeaders'].get('x-rgw-bytes-used', objlen))
-    assert rgw_bytes_used == objlen
-
-    rgw_object_count = int(response['ResponseMetadata']['HTTPHeaders'].get('x-rgw-object-count', 1))
-    assert rgw_object_count == 1
+    response = client.list_objects_v2(Bucket=bucket_name, Prefix=key)
+    assert len(response['Contents']) == 1
+    assert response['Contents'][0]['Size'] == objlen
 
     response = client.get_object(Bucket=bucket_name, Key=key)
     assert response['ContentType'] == content_type
@@ -6204,12 +6200,8 @@ def test_abort_multipart_upload():
     (upload_id, data, parts) = _multipart_upload(bucket_name=bucket_name, key=key, size=objlen)
     client.abort_multipart_upload(Bucket=bucket_name, Key=key, UploadId=upload_id)
 
-    response = client.head_bucket(Bucket=bucket_name)
-    rgw_bytes_used = int(response['ResponseMetadata']['HTTPHeaders'].get('x-rgw-bytes-used', 0))
-    assert rgw_bytes_used == 0
-
-    rgw_object_count = int(response['ResponseMetadata']['HTTPHeaders'].get('x-rgw-object-count', 0))
-    assert rgw_object_count == 0
+    response = client.list_objects_v2(Bucket=bucket_name, Prefix=key)
+    assert 'Contents' not in response
 
 def test_abort_multipart_upload_not_found():
     bucket_name = get_new_bucket()
@@ -9318,7 +9310,6 @@ def _check_content_using_range_enc(client, bucket_name, key, data, size, step, e
         assert body == data[ofs:end+1]
 
 @pytest.mark.encryption
-@pytest.mark.fails_on_aws
 @pytest.mark.fails_on_dbstore
 def test_encryption_sse_c_multipart_upload():
     bucket_name = get_new_bucket()
@@ -9343,11 +9334,9 @@ def test_encryption_sse_c_multipart_upload():
     client.meta.events.register('before-call.s3.CompleteMultipartUpload', lf)
     client.complete_multipart_upload(Bucket=bucket_name, Key=key, UploadId=upload_id, MultipartUpload={'Parts': parts})
 
-    response = client.head_bucket(Bucket=bucket_name)
-    rgw_object_count = int(response['ResponseMetadata']['HTTPHeaders'].get('x-rgw-object-count', 1))
-    assert rgw_object_count == 1
-    rgw_bytes_used = int(response['ResponseMetadata']['HTTPHeaders'].get('x-rgw-bytes-used', objlen))
-    assert rgw_bytes_used == objlen
+    response = client.list_objects_v2(Bucket=bucket_name, Prefix=key)
+    assert len(response['Contents']) == 1
+    assert response['Contents'][0]['Size'] == objlen
 
     lf = (lambda **kwargs: kwargs['params']['headers'].update(enc_headers))
     client.meta.events.register('before-call.s3.GetObject', lf)
@@ -9367,6 +9356,7 @@ def test_encryption_sse_c_multipart_upload():
         _check_content_using_range_enc(client, bucket_name, key, data, size, partlen + i, enc_headers=enc_headers)
 
 @pytest.mark.encryption
+@pytest.mark.fails_on_dbstore
 def test_encryption_sse_c_unaligned_multipart_upload():
     bucket_name = get_new_bucket()
     client = get_client()
@@ -9390,11 +9380,9 @@ def test_encryption_sse_c_unaligned_multipart_upload():
     client.meta.events.register('before-call.s3.CompleteMultipartUpload', lf)
     client.complete_multipart_upload(Bucket=bucket_name, Key=key, UploadId=upload_id, MultipartUpload={'Parts': parts})
 
-    response = client.head_bucket(Bucket=bucket_name)
-    rgw_object_count = int(response['ResponseMetadata']['HTTPHeaders']['x-rgw-object-count'])
-    assert rgw_object_count == 1
-    rgw_bytes_used = int(response['ResponseMetadata']['HTTPHeaders']['x-rgw-bytes-used'])
-    assert rgw_bytes_used == objlen
+    response = client.list_objects_v2(Bucket=bucket_name, Prefix=key)
+    assert len(response['Contents']) == 1
+    assert response['Contents'][0]['Size'] == objlen
 
     lf = (lambda **kwargs: kwargs['params']['headers'].update(enc_headers))
     client.meta.events.register('before-call.s3.GetObject', lf)
@@ -9470,7 +9458,6 @@ def test_encryption_sse_c_multipart_invalid_chunks_2():
     assert status == 400
 
 @pytest.mark.encryption
-@pytest.mark.fails_on_dbstore
 def test_encryption_sse_c_multipart_bad_download():
     bucket_name = get_new_bucket()
     client = get_client()
@@ -9498,11 +9485,9 @@ def test_encryption_sse_c_multipart_bad_download():
     client.meta.events.register('before-call.s3.CompleteMultipartUpload', lf)
     client.complete_multipart_upload(Bucket=bucket_name, Key=key, UploadId=upload_id, MultipartUpload={'Parts': parts})
 
-    response = client.head_bucket(Bucket=bucket_name)
-    rgw_object_count = int(response['ResponseMetadata']['HTTPHeaders'].get('x-rgw-object-count', 1))
-    assert rgw_object_count == 1
-    rgw_bytes_used = int(response['ResponseMetadata']['HTTPHeaders'].get('x-rgw-bytes-used', objlen))
-    assert rgw_bytes_used == objlen
+    response = client.list_objects_v2(Bucket=bucket_name, Prefix=key)
+    assert len(response['Contents']) == 1
+    assert response['Contents'][0]['Size'] == objlen
 
     lf = (lambda **kwargs: kwargs['params']['headers'].update(put_headers))
     client.meta.events.register('before-call.s3.GetObject', lf)
@@ -9706,11 +9691,9 @@ def test_sse_kms_multipart_upload():
     client.meta.events.register('before-call.s3.CompleteMultipartUpload', lf)
     client.complete_multipart_upload(Bucket=bucket_name, Key=key, UploadId=upload_id, MultipartUpload={'Parts': parts})
 
-    response = client.head_bucket(Bucket=bucket_name)
-    rgw_object_count = int(response['ResponseMetadata']['HTTPHeaders'].get('x-rgw-object-count', 1))
-    assert rgw_object_count == 1
-    rgw_bytes_used = int(response['ResponseMetadata']['HTTPHeaders'].get('x-rgw-bytes-used', objlen))
-    assert rgw_bytes_used == objlen
+    response = client.list_objects_v2(Bucket=bucket_name, Prefix=key)
+    assert len(response['Contents']) == 1
+    assert response['Contents'][0]['Size'] == objlen
 
     lf = (lambda **kwargs: kwargs['params']['headers'].update(part_headers))
     client.meta.events.register('before-call.s3.UploadPart', lf)
@@ -12714,11 +12697,9 @@ def test_sse_s3_default_multipart_upload():
     client.meta.events.register('before-call.s3.CompleteMultipartUpload', lf)
     client.complete_multipart_upload(Bucket=bucket_name, Key=key, UploadId=upload_id, MultipartUpload={'Parts': parts})
 
-    response = client.head_bucket(Bucket=bucket_name)
-    rgw_object_count = int(response['ResponseMetadata']['HTTPHeaders'].get('x-rgw-object-count', 1))
-    assert rgw_object_count == 1
-    rgw_bytes_used = int(response['ResponseMetadata']['HTTPHeaders'].get('x-rgw-bytes-used', objlen))
-    assert rgw_bytes_used == objlen
+    response = client.list_objects_v2(Bucket=bucket_name, Prefix=key)
+    assert len(response['Contents']) == 1
+    assert response['Contents'][0]['Size'] == objlen
 
     lf = (lambda **kwargs: kwargs['params']['headers'].update(part_headers))
     client.meta.events.register('before-call.s3.UploadPart', lf)