diff --git a/src/main.rs b/src/main.rs
index 7765c02..4cf4363 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -10,12 +10,8 @@ use cpal::traits::HostTrait;
 
 use tracing::{trace};
 
-use tracing_subscriber::layer::SubscriberExt;
-
 use tokio::sync::mpsc::{channel, unbounded_channel};
 
-//use ringbuf::
-
 mod audio_receiver;
 use crate::audio_receiver::audio_receiver_main;
 
@@ -24,12 +20,6 @@ use crate::audio_transmitter::audio_transmitter_main;
 
 mod dsp_common;
 
-mod dsp_inb;
-use crate::dsp_inb::dsp_inb_main;
-
-//mod dsp_outb;
-//use crate::dsp_outb::dsp_outb_main;
-
 mod tap_junction;
 use crate::tap_junction::tap_junction_main;
 
@@ -40,8 +30,6 @@ mod wire_fmt;
 
 #[tokio::main]
 async fn main() -> Result<()> {
-    //simple_logger::init_with_level(tracing::Level::Trace)
-    //    .expect("logger init failure???");
     tracing_subscriber::fmt::init();
 
     let cpal_host = cpal::default_host();
@@ -52,11 +40,8 @@ async fn main() -> Result<()> {
         "no audio output could be found; is a sound card installed?"
     )?;
 
-    let (tx_for_demod, rx_for_demod) = channel::<Vec<f64>>(1024);
     let (tx_for_eth_inb, rx_for_eth_inb) = channel::<Vec<u8>>(8192);
-    //let (tx_for_mod, rx_for_mod) = channel::<RawEthFrameMessage>(1024);
     let (tx_for_mod, rx_for_mod) = channel::<u8>(8192);
-    //let (tx_for_wire, rx_for_wire) = channel::<PcmSampleMessage>(256);
 
     let (tx_sample_rate_notify, rx_sample_rate_notify) =
         tokio::sync::oneshot::channel::<u32>();
@@ -67,18 +52,10 @@ async fn main() -> Result<()> {
 
     let mut tasks = tokio::task::JoinSet::new();
 
-    //let task_dsp_inb = tasks.spawn(async move {
-    //    trace!("starting inbound audio demodulator");
-    //    dsp_inb_main(tx_for_eth_inb, rx_for_demod).await
-    //});
     let task_tap_junction = tasks.spawn(async move {
         trace!("Starting tap manager");
         tap_junction_main(tx_for_mod, rx_for_eth_inb).await
     });
-    //let task_dsp_outb = tasks.spawn(async move {
-    //    trace!("Starting outbound audio modulator");
-    //    dsp_outb_main(tx_for_wire, rx_for_mod, rx_sample_rate_notify).await
-    //});
     trace!("Starting audio sender");
     let audio_out_stream = audio_transmitter_main(rx_for_mod, tx_sample_rate_notify, &cpal_output)
         .context("transmitter for audio on wire has failed to start")?;