diff --git a/test/tw-285.t b/test/tw-285.t
index 9ab25e772..bec498c59 100755
--- a/test/tw-285.t
+++ b/test/tw-285.t
@@ -72,8 +72,10 @@ class BaseTest285(BaseTestCase):
             os.remove(file)
 
     @classmethod
-    def cleanup(cls):
+    def finish(cls):
         os.remove("bug.rc")
+        for file in glob("*.data"):
+            os.remove(file)
 
 
 class Test285(BaseTest285):