diff --git a/components/webvr/lib.rs b/components/webvr/lib.rs
index 941f9a59a6d..bd0c0544a52 100644
--- a/components/webvr/lib.rs
+++ b/components/webvr/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(custom_derive)]
-#![feature(plugin)]
 #![deny(unsafe_code)]
 
 extern crate ipc_channel;
diff --git a/components/webvr_traits/lib.rs b/components/webvr_traits/lib.rs
index 30598105442..81aaca9085e 100644
--- a/components/webvr_traits/lib.rs
+++ b/components/webvr_traits/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(custom_derive)]
-#![feature(plugin)]
 #![deny(unsafe_code)]
 
 extern crate ipc_channel;