diff --git a/ethcore/src/client/updater.rs b/ethcore/src/client/updater.rs
index ada6749f0..8ce942959 100644
--- a/ethcore/src/client/updater.rs
+++ b/ethcore/src/client/updater.rs
@@ -14,7 +14,7 @@
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see .
-use std::sync::{Weak, Arc};
+use std::sync::{Weak};
use std::path::PathBuf;
use util::misc::{VersionInfo, ReleaseTrack, platform};
use util::{Address, H160, H256, FixedHash, Mutex};
@@ -44,7 +44,7 @@ pub struct Updater {
fetch: Weak,
operations: Operations,
update_policy: UpdatePolicy,
- fetch_handler: Mutex