diff --git a/_c2.py b/_c2.py
deleted file mode 100644
index d4c6708..0000000
--- a/_c2.py
+++ /dev/null
@@ -1,131 +0,0 @@
-from six.moves.urllib_parse import urlparse
-from twisted.internet import defer, reactor
-from ._machine import Machine
-
-class ConnectionMachine:
-    def __init__(self, ws_url):
-        self._ws_url = ws_url
-        #self._f = f = WSFactory(self._ws_url)
-        #f.setProtocolOptions(autoPingInterval=60, autoPingTimeout=600)
-        #f.connection_machine = self # calls onOpen and onClose
-        p = urlparse(self._ws_url)
-        self._ep = self._make_endpoint(p.hostname, p.port or 80)
-        self._connector = None
-        self._done_d = defer.Deferred()
-
-    def _make_endpoint(self, hostname, port):
-        return None
-
-    # "@action" marks a method as doing something, then moving to a state or
-    # another action. "=State()" marks a state, where we want for an event.
-    # "=Event()" marks an event, which causes us to move out of a state,
-    # through zero or more actions, and eventually landing in some other
-    # state.
-
-    m = Machine()
-    starting = m.State("starting", initial=True, color="orange")
-    connecting = m.State("connecting", color="orange")
-    negotiating = m.State("negotiating", color="orange")
-    open = m.State("open", color="green")
-    waiting = m.State("waiting", color="blue")
-    reconnecting = m.State("reconnecting", color="blue")
-    disconnecting = m.State("disconnecting", color="orange")
-    cancelling = m.State("cancelling")
-    stopped = m.State("stopped", color="orange")
-
-    CM_start = m.Event("CM_start")
-    d_callback = m.Event("d_callback")
-    d_errback = m.Event("d_errback")
-    onOpen = m.Event("onOpen")
-    onClose = m.Event("onClose")
-    stop = m.Event("stop")
-    expire = m.Event("expire")
-
-    @m.action(color="orange")
-    def connect1(self):
-        d = self._ep.connect()
-        d.addCallbacks(self.c1_d_callback, self.c1_d_errback)
-    @m.action(color="red")
-    def notify_fail(self, ARGS):
-        self._done_d.errback("ERR")
-    @m.action(color="orange")
-    def opened(self):
-        self._p.send("bind")
-        self._M.connected()
-    @m.action()
-    def dropConnectionWhileNegotiating(self):
-        self._p.dropConnection()
-    @m.action(color="orange")
-    def dropOpenConnection(self):
-        self._p.dropOpenConnection()
-        self._M.lost()
-    @m.action(color="blue")
-    def lostConnection(self):
-        self._M.lost()
-    @m.action(color="blue")
-    def start_timer(self):
-        self._timer = reactor.callLater(self._timeout, self.expire)
-    @m.action(color="blue")
-    def reconnect(self):
-        d = self._ep.connect()
-        d.addCallbacks(self.c1_d_callback, self.c1_d_errback)
-    @m.action(color="blue")
-    def reset_timer(self):
-        self._timeout = self.INITIAL_TIMEOUT
-    @m.action()
-    def cancel_timer(self):
-        self._timer.cancel()
-    @m.action()
-    def d_cancel(self):
-        self._d.cancel()
-    @m.action(color="orange")
-    def MC_stopped(self):
-        self.MC.stopped()
-
-    def c1_d_callback(self, p):
-        self.d_callback()
-    def c1_d_errback(self, f):
-        self.d_errback()
-    def p_onClose(self, why):
-        self.onClose()
-    def p_onOpen(self):
-        self.onOpen()
-
-    starting.upon(CM_start, goto=connect1, color="orange")
-    connecting.upon(d_callback, goto=negotiating, color="orange")
-    connecting.upon(d_errback, goto=notify_fail, color="red")
-    connecting.upon(onClose, goto=notify_fail, color="red")
-    connecting.upon(stop, goto=d_cancel)
-    negotiating.upon(onOpen, goto=opened, color="orange")
-    negotiating.upon(onClose, goto=notify_fail, color="red")
-    negotiating.upon(stop, goto=dropConnectionWhileNegotiating)
-    open.upon(onClose, goto=lostConnection, color="blue")
-    open.upon(stop, goto=dropOpenConnection, color="orange")
-    waiting.upon(expire, goto=reconnect, color="blue")
-    waiting.upon(stop, goto=cancel_timer)
-    reconnecting.upon(d_callback, goto=reset_timer, color="blue")
-    reconnecting.upon(d_errback, goto=start_timer)
-    reconnecting.upon(stop, goto=d_cancel)
-    disconnecting.upon(onClose, goto=MC_stopped, color="orange")
-    cancelling.upon(d_errback, goto=MC_stopped)
-
-    connect1.goto(connecting, color="orange")
-    notify_fail.goto(MC_stopped, color="red")
-    opened.goto(open, color="orange")
-    dropConnectionWhileNegotiating.goto(disconnecting)
-    dropOpenConnection.goto(disconnecting, color="orange")
-    lostConnection.goto(start_timer, color="blue")
-    start_timer.goto(waiting, color="blue")
-    reconnect.goto(reconnecting, color="blue")
-    reset_timer.goto(negotiating, color="blue")
-    cancel_timer.goto(MC_stopped)
-    d_cancel.goto(cancelling)
-    MC_stopped.goto(stopped, color="orange")
-
-
-CM = ConnectionMachine("ws://host")
-#CM.CM_start()
-
-if __name__ == "__main__":
-    import sys
-    CM.m._dump_dot(sys.stdout)