diff --git a/src/ether.rs b/src/ether.rs
index 55088ea..ab61616 100644
--- a/src/ether.rs
+++ b/src/ether.rs
@@ -6,6 +6,7 @@ const ETH_P_8021Q : u16 = 0x8100;
 
 type MacAddr = [u8; ETH_ALEN];
 
+#[allow(non_snake_case)]
 #[repr(C)]
 #[packed]
 struct vlan_ethhdr {
diff --git a/src/ip.rs b/src/ip.rs
index e7c0b3b..13e9e3a 100644
--- a/src/ip.rs
+++ b/src/ip.rs
@@ -16,6 +16,7 @@ struct iphdr {
     daddr: u32
 }
 
+#[allow(dead_code)]
 pub struct V4Packet<'a> {
     header: &'a iphdr,
     payload: &'a [u8]
diff --git a/src/main.rs b/src/main.rs
index 38ecd4d..c515fd5 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,7 +14,6 @@ use std::sync::{Arc, RwLock};
 use std::sync::atomic::{AtomicUsize, Ordering};
 
 use bounded_spsc_queue::Producer;
-use rustc_serialize::json;
 use rustc_serialize::json::{Json, ToJson};
 
 mod util;
@@ -59,6 +58,7 @@ struct Writer {
     queue: Producer<Packet>
 }
 
+#[allow(unused_variables)]
 fn main() {
     let mut args = env::args();
     args.next(); // shift off program name