diff --git a/testcases/MachineConfig.py b/testcases/MachineConfig.py
index 26a263f2..36718c9e 100755
--- a/testcases/MachineConfig.py
+++ b/testcases/MachineConfig.py
@@ -88,7 +88,7 @@ def validate_secureboot_parameter(self, machine_config):
             return False
 
     def update_hmc_object(self, target_hmc_ip, target_hmc_username,
-                          target_hmc_password, managed_system, lpar_name, lpar_vios):
+                          target_hmc_password, managed_system, lpar_name):
         """
         In case of multi lpar configuration here we are creating
         multiple objects[In sequence] as per lpar change.