diff --git a/src/lib.rs b/src/lib.rs
index df2e7c528..b1668c6ad 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,7 +4,6 @@ extern crate ethcore_util;
 use ethcore_util::hash::*;
 use ethcore_util::uint::*;
 
-pub type Bytes = Vec<u8>;
 pub type LogBloom = Hash4096;
 
 pub static ZERO_ADDRESS: Address = Address([0x00; 20]);