std: Correct stability attributes for some implementations

These are displayed by rustdoc so should be correct.

1 files changed, 0 insertions, 3 deletions

diff --git a/src/libcollections/enum_set.rs b/src/libcollections/enum_set.rs
index 2456a04e40a..2d12b4ccffe 100644
--- a/src/libcollections/enum_set.rs
+++ b/src/libcollections/enum_set.rs
@@ -48,7 +48,6 @@ impl<E> Clone for EnumSet<E> {
     }
 }
 
-#[stable(feature = "rust1", since = "1.0.0")]
 impl<E: CLike + fmt::Debug> fmt::Debug for EnumSet<E> {
     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
         fmt.debug_set().entries(self).finish()
@@ -277,7 +276,6 @@ impl<E: CLike> FromIterator<E> for EnumSet<E> {
     }
 }
 
-#[stable(feature = "rust1", since = "1.0.0")]
 impl<'a, E> IntoIterator for &'a EnumSet<E> where E: CLike
 {
     type Item = E;
@@ -296,7 +294,6 @@ impl<E: CLike> Extend<E> for EnumSet<E> {
     }
 }
 
-#[stable(feature = "extend_ref", since = "1.2.0")]
 impl<'a, E: 'a + CLike + Copy> Extend<&'a E> for EnumSet<E> {
     fn extend<I: IntoIterator<Item = &'a E>>(&mut self, iter: I) {
         self.extend(iter.into_iter().cloned());