diff --git a/tailbone/views/upgrades.py b/tailbone/views/upgrades.py
index db6e1ccf..ca4b9b35 100644
--- a/tailbone/views/upgrades.py
+++ b/tailbone/views/upgrades.py
@@ -363,6 +363,10 @@ class UpgradeView(MasterView):
 
         return data
 
+    def delete_instance(self, upgrade):
+        self.handler.delete_files(upgrade)
+        super(UpgradeView, self).delete_instance(upgrade)
+
     @classmethod
     def defaults(cls, config):
         route_prefix = cls.get_route_prefix()