diff --git a/components/canvas/lib.rs b/components/canvas/lib.rs
index d7ff9c30b04..87b61010278 100644
--- a/components/canvas/lib.rs
+++ b/components/canvas/lib.rs
@@ -4,7 +4,6 @@
 
 #![feature(clone_from_slice)]
 #![feature(nonzero)]
-#![feature(slice_bytes)]
 #![feature(plugin)]
 #![plugin(plugins)]
 
diff --git a/components/compositing/lib.rs b/components/compositing/lib.rs
index 6bab532cc36..338a802d627 100644
--- a/components/compositing/lib.rs
+++ b/components/compositing/lib.rs
@@ -6,7 +6,6 @@
 #![feature(clone_from_slice)]
 #![feature(custom_derive)]
 #![feature(plugin)]
-#![feature(slice_bytes)]
 #![feature(mpsc_select)]
 #![feature(plugin)]
 #![plugin(plugins)]