diff --git a/components/msg/constellation_msg.rs b/components/msg/constellation_msg.rs
index d19d93d0a99..aa0cc4230f3 100644
--- a/components/msg/constellation_msg.rs
+++ b/components/msg/constellation_msg.rs
@@ -318,7 +318,7 @@ pub struct WorkerId(pub u32);
 pub struct PipelineId(pub u32);
 
 #[derive(Clone, PartialEq, Eq, Copy, Hash, Debug)]
-pub struct SubpageId(pub uint);
+pub struct SubpageId(pub u32);
 
 // The type of pipeline exit. During complete shutdowns, pipelines do not have to
 // release resources automatically released on process termination.
diff --git a/components/msg/lib.rs b/components/msg/lib.rs
index b4517b2fff9..7b52067c927 100644
--- a/components/msg/lib.rs
+++ b/components/msg/lib.rs
@@ -2,8 +2,6 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#![feature(int_uint)]
-
 extern crate azure;
 #[macro_use] extern crate bitflags;
 extern crate geom;