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-rw-r--r--src/liballoc/lib.rs7
1 files changed, 2 insertions, 5 deletions
diff --git a/src/liballoc/lib.rs b/src/liballoc/lib.rs
index 5d31385462c..f665b1e1924 100644
--- a/src/liballoc/lib.rs
+++ b/src/liballoc/lib.rs
@@ -75,17 +75,15 @@
 #![cfg_attr(not(stage0), needs_allocator)]
 
 #![cfg_attr(stage0, feature(rustc_attrs))]
+#![cfg_attr(stage0, feature(no_std))]
 #![cfg_attr(stage0, allow(unused_attributes))]
 #![feature(allocator)]
 #![feature(box_syntax)]
 #![feature(coerce_unsized)]
-#![feature(core)]
 #![feature(core_intrinsics)]
-#![feature(core_slice_ext)]
 #![feature(custom_attribute)]
 #![feature(fundamental)]
 #![feature(lang_items)]
-#![feature(no_std)]
 #![feature(nonzero)]
 #![feature(num_bits_bytes)]
 #![feature(optin_builtin_traits)]
@@ -103,9 +101,8 @@
 #![allow(unused_attributes)]
 #![feature(dropck_parametricity)]
 #![feature(unsize)]
-#![feature(core_slice_ext)]
-#![feature(core_str_ext)]
 #![feature(drop_in_place)]
+#![feature(fn_traits)]
 
 #![cfg_attr(stage0, feature(alloc_system))]
 #![cfg_attr(not(stage0), feature(needs_allocator))]