diff --git a/wally/start_vms.py b/wally/start_vms.py
index de1f312..e3b9245 100644
--- a/wally/start_vms.py
+++ b/wally/start_vms.py
@@ -80,7 +80,7 @@
         'OS_AUTH_URL':  auth_url
     }
 
-    params_s = " ".join("{}={}".format(k, v) for k, v in params.items())
+    params_s = " ".join("{0}={1}".format(k, v) for k, v in params.items())
 
     spath = os.path.dirname(wally.__file__)
     spath = os.path.dirname(spath)
@@ -389,9 +389,9 @@
 
     # wait till vm actually deleted
 
-    logger.warning("Volume deletion commented out")
-    # for vol in volumes_to_delete:
-    #     logger.debug("Deleting volume " + vol.display_name)
-    #     cinder.volumes.delete(vol)
+    # logger.warning("Volume deletion commented out")
+    for vol in volumes_to_delete:
+        logger.debug("Deleting volume " + vol.display_name)
+        cinder.volumes.delete(vol)
 
     logger.debug("Clearing done (yet some volumes may still deleting)")