diff --git a/src/allmydata/introducer/client.py b/src/allmydata/introducer/client.py
index af84d12c3..de24f9cf3 100644
--- a/src/allmydata/introducer/client.py
+++ b/src/allmydata/introducer/client.py
@@ -16,7 +16,7 @@ from six import ensure_text
 import time
 from zope.interface import implementer
 from twisted.application import service
-from foolscap.api import Referenceable, eventually
+from foolscap.api import Referenceable
 from allmydata.interfaces import InsufficientVersionError
 from allmydata.introducer.interfaces import IIntroducerClient, \
      RIIntroducerSubscriberClient_v2