diff --git a/src/wormhole/_boss.py b/src/wormhole/_boss.py
index 3e1a843..709fd62 100644
--- a/src/wormhole/_boss.py
+++ b/src/wormhole/_boss.py
@@ -53,7 +53,7 @@ class Boss(object):
         self._S.wire(self._M)
         self._O.wire(self._K, self._R)
         self._K.wire(self, self._M, self._R)
-        self._R.wire(self, self._K, self._S)
+        self._R.wire(self, self._S)
         self._RC.wire(self, self._N, self._M, self._C, self._NL, self._T)
         self._NL.wire(self._RC, self._C)
         self._C.wire(self, self._RC, self._NL)
diff --git a/src/wormhole/_receive.py b/src/wormhole/_receive.py
index 83dc92a..389c0f4 100644
--- a/src/wormhole/_receive.py
+++ b/src/wormhole/_receive.py
@@ -18,9 +18,8 @@ class Receive(object):
     def __attrs_post_init__(self):
         self._key = None
 
-    def wire(self, boss, key, send):
+    def wire(self, boss, send):
         self._B = _interfaces.IBoss(boss)
-        self._K = _interfaces.IKey(key)
         self._S = _interfaces.ISend(send)
 
     @m.state(initial=True)