diff --git a/protocol/src/format.rs b/protocol/src/format.rs
index 26ec1e7..8cef4af 100644
--- a/protocol/src/format.rs
+++ b/protocol/src/format.rs
@@ -1,5 +1,5 @@
-extern crate serde_json;
 
+use serde_json;
 use std::fmt;
 
 #[derive(Debug)]
diff --git a/protocol/src/item.rs b/protocol/src/item.rs
index 27661f2..2cdd046 100644
--- a/protocol/src/item.rs
+++ b/protocol/src/item.rs
@@ -1,10 +1,9 @@
-extern crate byteorder;
 
 use nbt;
 use protocol::{Serializable};
 use std::io;
 use std::io::{Read, Write};
-use self::byteorder::{BigEndian, WriteBytesExt, ReadBytesExt};
+use byteorder::{BigEndian, WriteBytesExt, ReadBytesExt};
 
 #[derive(Debug)]
 pub struct Stack {
diff --git a/protocol/src/nbt/mod.rs b/protocol/src/nbt/mod.rs
index 7abfd9e..9bfd5f7 100644
--- a/protocol/src/nbt/mod.rs
+++ b/protocol/src/nbt/mod.rs
@@ -1,4 +1,3 @@
-extern crate byteorder;
 
 use std::collections::HashMap;
 use std::io;
@@ -6,7 +5,7 @@ use std::io::{Read, Write};
 
 use super::protocol::{Serializable};
 use super::protocol;
-use self::byteorder::{BigEndian, WriteBytesExt, ReadBytesExt};
+use byteorder::{BigEndian, WriteBytesExt, ReadBytesExt};
 
 #[derive(Debug)]
 pub enum Tag {
diff --git a/protocol/src/types/metadata.rs b/protocol/src/types/metadata.rs
index 3b78b42..7ad261e 100644
--- a/protocol/src/types/metadata.rs
+++ b/protocol/src/types/metadata.rs
@@ -15,6 +15,7 @@ pub struct MetadataKey<T: MetaValue> {
 }
 
 impl <T: MetaValue> MetadataKey<T> {
+    #[allow(dead_code)]
     // TODO: Make const later when possible
     /*const*/ fn new(index: i32) -> MetadataKey<T> {
         MetadataKey {