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-rw-r--r--library/alloc/src/borrow.rs2
1 files changed, 0 insertions, 2 deletions
diff --git a/library/alloc/src/borrow.rs b/library/alloc/src/borrow.rs
index f86face3f90..dbfd2e74abe 100644
--- a/library/alloc/src/borrow.rs
+++ b/library/alloc/src/borrow.rs
@@ -225,7 +225,6 @@ impl<B: ?Sized + ToOwned> Cow<'_, B> {
     /// assert!(!bull.is_borrowed());
     /// ```
     #[unstable(feature = "cow_is_borrowed", issue = "65143")]
-    #[rustc_const_unstable(feature = "const_cow_is_borrowed", issue = "65143")]
     pub const fn is_borrowed(&self) -> bool {
         match *self {
             Borrowed(_) => true,
@@ -248,7 +247,6 @@ impl<B: ?Sized + ToOwned> Cow<'_, B> {
     /// assert!(!bull.is_owned());
     /// ```
     #[unstable(feature = "cow_is_borrowed", issue = "65143")]
-    #[rustc_const_unstable(feature = "const_cow_is_borrowed", issue = "65143")]
     pub const fn is_owned(&self) -> bool {
         !self.is_borrowed()
     }