unused imports
diff --git a/src/lib.rs b/src/lib.rs
index 0f7a073..391d7c7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -15,14 +15,13 @@
//! extern crate url;
//!
//! use hyper::client::Client as HttpClient;
-//! use std::fs::File;
//! use std::path::PathBuf;
//! use tuf::Tuf;
//! use tuf::crypto::KeyId;
//! use tuf::client::{Client, Config};
//! use tuf::metadata::{RootMetadata, Unverified, SignedMetadata, Role, MetadataPath,
//! MetadataVersion};
-//! use tuf::interchange::{DataInterchange, JsonDataInterchange};
+//! use tuf::interchange::JsonDataInterchange;
//! use tuf::repository::{Repository, FileSystemRepository, HttpRepository};
//! use url::Url;
//!
