diff --git a/src/conf.rs b/src/conf.rs
index 781bcaa..02a4c15 100644
--- a/src/conf.rs
+++ b/src/conf.rs
@@ -54,14 +54,15 @@ impl Conf {
 	let mut v = vec![];
 	for t in &self.transformers {
 	    let t : Box<dyn transformer::Transformers> = match t {
-		TransformConf::Translate(t) => Box::new(t.clone()),
-		TransformConf::Replicate(r) => Box::new(r.clone())
+		TransformConf::Translate(t) => Box::new(*t),
+		TransformConf::Replicate(r) => Box::new(*r)
 	    };
 	    v.push(t);
 	}
 	v
     }
-    
+
+    #[allow(dead_code)]
     pub fn dump() {
 	let conf = Conf { laser_id: 0,
 			  debug: true,
diff --git a/src/device/helios.rs b/src/device/helios.rs
index e1b8efc..8b0fc88 100644
--- a/src/device/helios.rs
+++ b/src/device/helios.rs
@@ -5,10 +5,10 @@
 use helios_dac::{NativeHeliosDac, NativeHeliosDacController};
 use helios_dac::{
 	// Coordinate,
-	Color,
+	// Color,
 	DeviceStatus,
 	Frame,
-	Point as HeliosPoint,
+	// Point as HeliosPoint,
 };
 use crate::conf::HeliosConf;
 use crate::device::{Device, Status};
@@ -35,11 +35,11 @@ impl HeliosDevice {
 
 impl Device for HeliosDevice {
 	fn status(&self) -> Status {
-		return Status {
+		Status {
 			active: true,
 			last_traced_at: "now".to_string(),
 			properties: vec!["foo".to_string()],
-		};
+		}
 	}
 
 	fn draw(&self,
@@ -49,7 +49,7 @@ impl Device for HeliosDevice {
 		while let Ok(DeviceStatus::NotReady) = self.dac.status() {}
 
 		let points: Vec<helios_dac::Point> = line.into_iter().map(|p| p.into()).collect();
-		let frame = Frame::new(speed, points);
+		let _frame = Frame::new(speed, points);
 		Ok(())
 	}
 
diff --git a/src/device/mod.rs b/src/device/mod.rs
index 70a3916..9f4455b 100644
--- a/src/device/mod.rs
+++ b/src/device/mod.rs
@@ -2,7 +2,7 @@ use crate::point::Point;
 
 mod helios;
 
-use crate::conf::{Conf, DacFamily, EtherDreamConf, HeliosConf};
+use crate::conf::{Conf, DacFamily, /*EtherDreamConf, HeliosConf*/};
 use crate::device::helios::HeliosDevice;
 use crate::errors::LJResult;
 
diff --git a/src/main.rs b/src/main.rs
index 7debd47..cb05855 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -16,7 +16,7 @@ use redis_ctrl::{RedisCtrl, Order};
 use conf::Conf;
 use errors::LJResult;
 use point::Point;
-use transformer::{Transformers, Translate, Replicate};
+use transformer::Transformers;
 use log::{LevelFilter, info, /* warn, */ error};
 use env_logger::Builder;