diff --git a/ironic_tempest_plugin/manager.py b/ironic_tempest_plugin/manager.py
index ce472df..06d2723 100644
--- a/ironic_tempest_plugin/manager.py
+++ b/ironic_tempest_plugin/manager.py
@@ -98,22 +98,6 @@
             floating_ip['ip'], thing['id'])
         return floating_ip
 
-    def create_timestamp(self, ip_address, dev_name=None, mount_path='/mnt',
-                         private_key=None):
-        ssh_client = self.get_remote_client(ip_address,
-                                            private_key=private_key)
-        if dev_name is not None:
-            ssh_client.make_fs(dev_name)
-            ssh_client.exec_command('sudo mount /dev/%s %s' % (dev_name,
-                                                               mount_path))
-        cmd_timestamp = 'sudo sh -c "date > %s/timestamp; sync"' % mount_path
-        ssh_client.exec_command(cmd_timestamp)
-        timestamp = ssh_client.exec_command('sudo cat %s/timestamp'
-                                            % mount_path)
-        if dev_name is not None:
-            ssh_client.exec_command('sudo umount %s' % mount_path)
-        return timestamp
-
     def get_server_ip(self, server):
         """Get the server fixed or floating IP.
 
diff --git a/ironic_tempest_plugin/tests/scenario/test_baremetal_basic_ops.py b/ironic_tempest_plugin/tests/scenario/test_baremetal_basic_ops.py
index 35dfed5..95430ce 100644
--- a/ironic_tempest_plugin/tests/scenario/test_baremetal_basic_ops.py
+++ b/ironic_tempest_plugin/tests/scenario/test_baremetal_basic_ops.py
@@ -223,8 +223,9 @@
         if eph_size and not self.wholedisk_image:
             self.verify_partition(vm_client, 'ephemeral0', '/mnt', eph_size)
             # Create the test file
-            self.create_timestamp(
-                ip_address, private_key=self.keypair['private_key'])
+            self.create_timestamp(ip_address,
+                                  private_key=self.keypair['private_key'],
+                                  server=self.instance)
 
         if CONF.baremetal.boot_mode == "uefi":
             self.validate_uefi(vm_client)