diff --git a/src/lib.rs b/src/lib.rs
index 94d6ec0..69a3e0c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -6,8 +6,6 @@ extern crate futures;
 #[macro_use]
 extern crate tokio_io;
 
-extern crate tokio_timer;
-
 // HTTP types
 extern crate http;
 
diff --git a/tests/support/mod.rs b/tests/support/mod.rs
index 547b76f..2797ae1 100644
--- a/tests/support/mod.rs
+++ b/tests/support/mod.rs
@@ -1,5 +1,7 @@
 //! Utilities to support tests.
 
+#![allow(unused_extern_crates)]
+
 pub extern crate bytes;
 pub extern crate h2;
 pub extern crate http;