diff --git a/ceilometer_zvm/compute/virt/zvm/inspector.py b/ceilometer_zvm/compute/virt/zvm/inspector.py
index d4fc6df..09e6180 100644
--- a/ceilometer_zvm/compute/virt/zvm/inspector.py
+++ b/ceilometer_zvm/compute/virt/zvm/inspector.py
@@ -69,12 +69,14 @@ class ZVMInspector(virt_inspector.Inspector):
                 parameters=None,
                 rx_bytes=nic['nic_rx'],
                 rx_packets=nic['nic_fr_rx'],
-                rx_bytes_delta=nic['nic_rx_delta'],
+                # rx_bytes_delta was taken out from zcc
+                rx_bytes_delta=None,
                 rx_errors=nic['nic_fr_rx_err'],
                 rx_drop=None,
                 tx_bytes=nic['nic_tx'],
                 tx_packets=nic['nic_fr_tx'],
-                tx_bytes_delta=nic['nic_tx_delta'],
+                # tx_bytes_delta was taken out from zcc
+                tx_bytes_delta=None,
                 tx_errors=nic['nic_fr_tx_err'],
                 tx_drop=None
             )
diff --git a/ceilometer_zvm/tests/unit/compute/virt/zvm/test_inspector.py b/ceilometer_zvm/tests/unit/compute/virt/zvm/test_inspector.py
index f2cd719..4f23d8b 100644
--- a/ceilometer_zvm/tests/unit/compute/virt/zvm/test_inspector.py
+++ b/ceilometer_zvm/tests/unit/compute/virt/zvm/test_inspector.py
@@ -47,9 +47,11 @@ class TestZVMInspector(unittest.TestCase):
                             'nic_fr_rx': 99999,
                             'nic_fr_tx': 99999,
                             'nic_rx': 9999999,
-                            'nic_rx_delta': 9999999,
+                            # attribute was taken out from zcc
+                            # 'nic_rx_delta': 9999999,
                             'nic_tx': 9999999,
-                            'nic_tx_delta': 9999999,
+                            # attribute was taken out from zcc
+                            # 'nic_tx_delta': 9999999,
                             'nic_fr_rx_dsc': 0,
                             'nic_fr_tx_dsc': 0,
                             'nic_fr_rx_err': 0,
@@ -59,9 +61,11 @@ class TestZVMInspector(unittest.TestCase):
                             'nic_fr_rx': 88888,
                             'nic_fr_tx': 88888,
                             'nic_rx': 8888888,
-                            'nic_rx_delta': 8888888,
+                            # attribute was taken out from zcc
+                            # 'nic_rx_delta': 8888888,
                             'nic_tx': 8888888,
-                            'nic_tx_delta': 8888888,
+                            # attribute was taken out from zcc
+                            # 'nic_tx_delta': 8888888,
                             'nic_fr_rx_dsc': 0,
                             'nic_fr_tx_dsc': 0,
                             'nic_fr_rx_err': 0,