2 files changed, 0 insertions, 9 deletions
diff --git a/src/liballoc/boxed.rs b/src/liballoc/boxed.rs
index b6f490e09cd..82d361fb0e8 100644
--- a/src/liballoc/boxed.rs
+++ b/src/liballoc/boxed.rs
@@ -293,7 +293,6 @@ impl<T: ?Sized> Box<T> {
     }
 }
 
-#[cfg(not(stage0))]
 #[stable(feature = "rust1", since = "1.0.0")]
 unsafe impl<#[may_dangle] T: ?Sized> Drop for Box<T> {
     fn drop(&mut self) {
diff --git a/src/liballoc/heap.rs b/src/liballoc/heap.rs
index 81ed4be7763..51e6f2f8bd7 100644
--- a/src/liballoc/heap.rs
+++ b/src/liballoc/heap.rs
@@ -144,14 +144,6 @@ unsafe fn exchange_malloc(size: usize, align: usize) -> *mut u8 {
 }
 
 #[cfg(not(test))]
-#[cfg(stage0)]
-#[lang = "exchange_free"]
-#[inline]
-unsafe fn exchange_free(ptr: *mut u8, old_size: usize, align: usize) {
-    deallocate(ptr, old_size, align);
-}
-
-#[cfg(not(test))]
 #[lang = "box_free"]
 #[inline]
 unsafe fn box_free<T: ?Sized>(ptr: *mut T) {