diff --git a/backplane-server.asd b/backplane-server.asd
index dce61f9..f875482 100644
--- a/backplane-server.asd
+++ b/backplane-server.asd
@@ -20,11 +20,9 @@
   :depends-on (:arrows
                :backplane-server
                :cl-json
-               :prove
-               :prove-asdf)
-  :defsystem-depends-on (:prove-asdf)
+               :prove)
   :components ((:module "test"
                 :serial t
-                :components ((:test-file "backplane-server-test"))))
+                :components ((:file "backplane-server-test"))))
   :perform (asdf:test-op (op c)
                          (uiop:symbol-call :prove '#:run '#:backplane-server/test)))