diff --git a/redfish/managers/test_bmc_ipv6.robot b/redfish/managers/test_bmc_ipv6.robot
index ce2d0a0..3f47a1c 100644
--- a/redfish/managers/test_bmc_ipv6.robot
+++ b/redfish/managers/test_bmc_ipv6.robot
@@ -326,7 +326,8 @@
 
 Delete IPv6 Address
     [Documentation]  Delete IPv6 address of BMC.
-    [Arguments]  ${ipv6_addr}  ${valid_status_codes}=${HTTP_OK}
+    [Arguments]  ${ipv6_addr}
+    ...          ${valid_status_codes}=[${HTTP_OK},${HTTP_ACCEPTED},${HTTP_NO_CONTENT}]
 
     # Description of argument(s):
     # ipv6_addr           IPv6 address to be deleted (e.g. "2001:1234:1234:1234::1234").
@@ -357,7 +358,7 @@
     ${ethernet_interface}=  Set Variable  ${active_channel_config['${CHANNEL_NUMBER}']['name']}
 
     Redfish.patch  ${REDFISH_NW_ETH_IFACE}${ethernet_interface}  body=&{data}
-    ...  valid_status_codes=[${valid_status_codes}]
+    ...  valid_status_codes=[${HTTP_OK},${HTTP_ACCEPTED},${HTTP_NO_CONTENT}]
 
     # Note: Network restart takes around 15-18s after patch request processing
     Sleep  ${NETWORK_TIMEOUT}s