diff --git a/src/allmydata/test/no_network.py b/src/allmydata/test/no_network.py
index acd55bef9..233a0817e 100644
--- a/src/allmydata/test/no_network.py
+++ b/src/allmydata/test/no_network.py
@@ -180,8 +180,6 @@ class NoNetworkStorageBroker:
 
 class NoNetworkClient(Client):
 
-    def disownServiceParent(self):
-        self.disownServiceParent()
     def create_tub(self):
         pass
     def init_introducer_client(self):