diff --git a/plugins/prebootstrapped/__init__.py b/plugins/prebootstrapped/__init__.py
index c6986d8..f77825b 100644
--- a/plugins/prebootstrapped/__init__.py
+++ b/plugins/prebootstrapped/__init__.py
@@ -1,8 +1,8 @@
+from tasks import CreateVolumeFromSnapshot
+from providers.ec2.tasks import ebs
 
 
 def tasks(tasklist, manifest):
-	from tasks import CreateVolumeFromSnapshot
-	from providers.ec2.tasks import ebs
 	from providers.ec2.tasks import bootstrap
 	from providers.ec2.tasks import filesystem
 	tasklist.replace(ebs.CreateVolume, CreateVolumeFromSnapshot())
@@ -11,3 +11,13 @@ def tasks(tasklist, manifest):
 	                filesystem.AddXFSProgs,
 	                bootstrap.MakeTarball,
 	                bootstrap.Bootstrap)
+
+
+def rollback_tasks(tasklist, tasks_completed, manifest):
+	completed = [type(task) for task in tasks_completed]
+
+	def counter_task(task, counter):
+		if task in completed and counter not in completed:
+			tasklist.add(counter())
+
+	counter_task(ebs.CreateVolumeFromSnapshot, ebs.DeleteVolume)