diff --git a/backplane-dns.asd b/backplane-dns.asd
index 83d8552..31e8ed5 100644
--- a/backplane-dns.asd
+++ b/backplane-dns.asd
@@ -36,7 +36,6 @@
                :prove)
   :components ((:module "test"
                 :serial t
-                :components ((:test-file "backplane-dns-test"))))
-  :defsystem-depends-on (:prove-asdf)
+                :components ((:file "backplane-dns-test"))))
   :perform (asdf:test-op (op c)
                          (uiop:symbol-call :prove '#:run '#:backplane-dns/test)))