3 files changed, 0 insertions, 23 deletions
diff --git a/src/liballoc/arc.rs b/src/liballoc/arc.rs
index 934e6ab2159..cc49164ef91 100644
--- a/src/liballoc/arc.rs
+++ b/src/liballoc/arc.rs
@@ -598,13 +598,6 @@ impl<T: Default + Sync + Send> Default for Arc<T> {
     fn default() -> Arc<T> { Arc::new(Default::default()) }
 }
 
-#[cfg(stage0)]
-impl<H: Hasher, T: Hash<H>> Hash<H> for Arc<T> {
-    fn hash(&self, state: &mut H) {
-        (**self).hash(state)
-    }
-}
-#[cfg(not(stage0))]
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T: Hash> Hash for Arc<T> {
     fn hash<H: Hasher>(&self, state: &mut H) {
diff --git a/src/liballoc/boxed.rs b/src/liballoc/boxed.rs
index a3516bd667b..ce889c79601 100644
--- a/src/liballoc/boxed.rs
+++ b/src/liballoc/boxed.rs
@@ -220,14 +220,6 @@ impl<T: ?Sized + Ord> Ord for Box<T> {
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T: ?Sized + Eq> Eq for Box<T> {}
 
-#[cfg(stage0)]
-impl<S: hash::Hasher, T: ?Sized + Hash<S>> Hash<S> for Box<T> {
-    #[inline]
-    fn hash(&self, state: &mut S) {
-        (**self).hash(state);
-    }
-}
-#[cfg(not(stage0))]
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T: ?Sized + Hash> Hash for Box<T> {
     fn hash<H: hash::Hasher>(&self, state: &mut H) {
diff --git a/src/liballoc/rc.rs b/src/liballoc/rc.rs
index 9d395115431..ed7d34de7a6 100644
--- a/src/liballoc/rc.rs
+++ b/src/liballoc/rc.rs
@@ -592,14 +592,6 @@ impl<T: Ord> Ord for Rc<T> {
 }
 
 // FIXME (#18248) Make `T` `Sized?`
-#[cfg(stage0)]
-impl<S: Hasher, T: Hash<S>> Hash<S> for Rc<T> {
-    #[inline]
-    fn hash(&self, state: &mut S) {
-        (**self).hash(state);
-    }
-}
-#[cfg(not(stage0))]
 #[stable(feature = "rust1", since = "1.0.0")]
 impl<T: Hash> Hash for Rc<T> {
     fn hash<H: Hasher>(&self, state: &mut H) {