diff --git a/examples/serialize.rs b/examples/serialize.rs
index b00aa5cdf..a2ffe9426 100644
--- a/examples/serialize.rs
+++ b/examples/serialize.rs
@@ -7,8 +7,6 @@ extern crate serde;
 extern crate serde_derive;
 extern crate serde_json;
 
-use std::fmt;
-
 #[cfg(feature="serialize")]
 mod s {
     use serde::{self, Serialize};