diff --git a/example/mini_core_hello_world.rs b/example/mini_core_hello_world.rs
index 246bd3104ec4..66ecc9ec034a 100644
--- a/example/mini_core_hello_world.rs
+++ b/example/mini_core_hello_world.rs
@@ -1,13 +1,4 @@
-#![feature(
-    no_core,
-    lang_items,
-    never_type,
-    linkage,
-    extern_types,
-    thread_local,
-    repr_simd,
-    rustc_private
-)]
+#![feature(no_core, lang_items, never_type, linkage, extern_types, thread_local, repr_simd)]
 #![no_core]
 #![allow(dead_code, non_camel_case_types, internal_features)]