diff --git a/barbican_tempest_plugin/tests/scenario/manager.py b/barbican_tempest_plugin/tests/scenario/manager.py
index 1aa009e..66d28a5 100644
--- a/barbican_tempest_plugin/tests/scenario/manager.py
+++ b/barbican_tempest_plugin/tests/scenario/manager.py
@@ -333,6 +333,7 @@
         waiters.wait_for_volume_resource_status(self.volumes_client,
                                                 volume['id'], 'in-use')
 
+        self.addCleanup(self.nova_volume_detach, server, volume)
         # Return the updated volume after the attachment
         return self.volumes_client.show_volume(volume['id'])['volume']
 
diff --git a/barbican_tempest_plugin/tests/scenario/test_volume_encryption.py b/barbican_tempest_plugin/tests/scenario/test_volume_encryption.py
index 95ba5d5..c2033fb 100644
--- a/barbican_tempest_plugin/tests/scenario/test_volume_encryption.py
+++ b/barbican_tempest_plugin/tests/scenario/test_volume_encryption.py
@@ -56,7 +56,7 @@
 
     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)
@@ -72,9 +72,6 @@
         )
         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):