diff --git a/src/hex.rs b/src/hex.rs
index af1caf7..2d64da8 100644
--- a/src/hex.rs
+++ b/src/hex.rs
@@ -1,6 +1,4 @@
 use std::char;
-use std::iter;
-use std::str::Chars;
 
 pub trait HexDecodable<T> {
     fn hex_decoded(self) -> HexDecoder<T>;