Remove 'since' from unstable attributes

3 files changed, 3 insertions, 3 deletions

diff --git a/src/libstd/sync/mpsc/mpsc_queue.rs b/src/libstd/sync/mpsc/mpsc_queue.rs
index 9747de3b7f9..b777df56a9c 100644
--- a/src/libstd/sync/mpsc/mpsc_queue.rs
+++ b/src/libstd/sync/mpsc/mpsc_queue.rs
@@ -35,7 +35,7 @@
 //! method, and see the method for more information about it. Due to this
 //! caveat, this queue may not be appropriate for all use-cases.
 
-#![unstable(feature = "unnamed_feature", since = "1.0.0")]
+#![unstable(feature = "unnamed_feature")]
 
 // http://www.1024cores.net/home/lock-free-algorithms
 //                         /queues/non-intrusive-mpsc-node-based-queue
diff --git a/src/libstd/sync/mpsc/select.rs b/src/libstd/sync/mpsc/select.rs
index 1a433db2deb..1e25cc87b28 100644
--- a/src/libstd/sync/mpsc/select.rs
+++ b/src/libstd/sync/mpsc/select.rs
@@ -46,7 +46,7 @@
 //! ```
 
 #![allow(dead_code)]
-#![unstable(feature = "unnamed_feature", since = "1.0.0",
+#![unstable(feature = "unnamed_feature",
             reason = "This implementation, while likely sufficient, is unsafe and \
                       likely to be error prone. At some point in the future this \
                       module will likely be replaced, and it is currently \
diff --git a/src/libstd/sync/mpsc/spsc_queue.rs b/src/libstd/sync/mpsc/spsc_queue.rs
index cc7a34f8d4c..d12628a4f2f 100644
--- a/src/libstd/sync/mpsc/spsc_queue.rs
+++ b/src/libstd/sync/mpsc/spsc_queue.rs
@@ -33,7 +33,7 @@
 //! concurrently between two tasks. This data structure is safe to use and
 //! enforces the semantics that there is one pusher and one popper.
 
-#![unstable(feature = "unnamed_feature", since = "1.0.0")]
+#![unstable(feature = "unnamed_feature")]
 
 use core::prelude::*;