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-rw-r--r--src/libstd/sync/once.rs1
1 files changed, 0 insertions, 1 deletions
diff --git a/src/libstd/sync/once.rs b/src/libstd/sync/once.rs
index 2ef99525af5..6fd8b6a5bba 100644
--- a/src/libstd/sync/once.rs
+++ b/src/libstd/sync/once.rs
@@ -156,7 +156,6 @@ struct Finish {
 impl Once {
     /// Creates a new `Once` value.
     #[stable(feature = "once_new", since = "1.2.0")]
-    #[rustc_const_unstable(feature = "const_once_new")]
     pub const fn new() -> Once {
         Once {
             state: AtomicUsize::new(INCOMPLETE),