diff --git a/src/device.rs b/src/device.rs
index 29f20a1..92d9a1f 100644
--- a/src/device.rs
+++ b/src/device.rs
@@ -1,7 +1,4 @@
-use crate::inactive_device::InactiveDevice;
-use crate::uninitialized_device::UninitializedDevice;
 use bit_field::BitArray;
-use bus::{ActiveBus, ActiveFourWire, ActiveThreeWire, FourWire, ThreeWire};
 use embedded_hal::digital::v2::OutputPin;
 
 use crate::bus::{Bus, FourWire, ThreeWire};
diff --git a/src/host/dhcp.rs b/src/host/dhcp.rs
index 521a831..f792736 100644
--- a/src/host/dhcp.rs
+++ b/src/host/dhcp.rs
@@ -4,7 +4,7 @@ use crate::MacAddress;
 
 pub struct Dhcp {
     // settings: HostConfig,
-    // current: HostConfig,
+// current: HostConfig,
 }
 
 impl Dhcp {
diff --git a/src/lib.rs b/src/lib.rs
index 3819cca..160f9bc 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,23 +1,7 @@
 #![no_std]
 #![allow(unused)]
 #![deny(broken_intra_doc_links)]
-
 #[macro_use(block)]
-extern crate nb;
-
-/// MAC address struct.  Represents a MAC address as a u8 array of length 6. Can be instantiated with `MacAddress::new`
-#[derive(Copy, Clone, PartialOrd, PartialEq, Default, Debug)]
-pub struct MacAddress {
-    pub address: [u8; 6],
-}
-
-impl MacAddress {
-    pub fn new(n0: u8, n1: u8, n2: u8, n3: u8, n4: u8, n5: u8) -> Self {
-        MacAddress {
-            address: [n0, n1, n2, n3, n4, n5],
-        }
-    }
-}
 
 /// Settings for wake on LAN.  Allows the W5500 to optionally emit an interrupt upon receiving a packet
 #[repr(u8)]
@@ -82,6 +66,6 @@ mod udp;
 mod uninitialized_device;
 
 pub use device::Device;
-pub use host::{Dhcp,HostConfig,Manual};
+pub use host::{Dhcp, HostConfig, Manual};
 pub use net::MacAddress;
 pub use uninitialized_device::UninitializedDevice;
diff --git a/src/uninitialized_device.rs b/src/uninitialized_device.rs
index 3774192..0fdc643 100644
--- a/src/uninitialized_device.rs
+++ b/src/uninitialized_device.rs
@@ -1,12 +1,12 @@
+use embedded_hal::blocking::spi::{Transfer, Write};
+use embedded_hal::digital::v2::OutputPin;
+use embedded_nal::Ipv4Addr;
+
 use crate::bus::{Bus, FourWire, ThreeWire};
 use crate::device::Device;
 use crate::host::{Dhcp, Host, Manual};
 use crate::register;
 use crate::{MacAddress, Mode};
-use embedded_hal::blocking::spi::{Transfer, Write};
-use embedded_hal::digital::v2::OutputPin;
-use embedded_nal::Ipv4Addr;
-use register;
 
 pub struct UninitializedDevice<SpiBus: Bus> {
     bus: SpiBus,