diff --git a/barbican_tempest_plugin/tests/scenario/test_volume_encryption.py b/barbican_tempest_plugin/tests/scenario/test_volume_encryption.py
index c7d2577..da7d408 100644
--- a/barbican_tempest_plugin/tests/scenario/test_volume_encryption.py
+++ b/barbican_tempest_plugin/tests/scenario/test_volume_encryption.py
@@ -75,7 +75,7 @@
 
     def attach_detach_volume(self, server, volume, keypair):
         # Attach volume
-        attached_volume = self.nova_volume_attach(server, volume)
+        self.nova_volume_attach(server, volume)
 
         # Write a timestamp to volume
         server_ip = self.get_server_ip(server)
@@ -100,9 +100,6 @@
         )
         self.assertEqual(timestamp, timestamp2)
 
-        # Detach volume
-        self.nova_volume_detach(server, attached_volume)
-
     @decorators.idempotent_id('89165fb4-5534-4b9d-8429-97ccffb8f86f')
     @utils.services('compute', 'volume', 'image')
     def test_encrypted_cinder_volumes_luks(self):