use lightning::chain;
use lightning::chain::transaction::OutPoint;
-use lightning::chain::chaininterface::{BroadcasterInterface, ChainListener, ConfirmationTarget, FeeEstimator};
+use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
use lightning::chain::keysinterface::{KeysInterface, InMemoryChannelKeys};
use lightning::ln::channelmonitor;
use lightning::ln::channelmonitor::{ChannelMonitor, ChannelMonitorUpdateErr, MonitorEvent};