diff --git a/example/mini_core.rs b/example/mini_core.rs
index a48c0a4450c..f47bfdad131 100644
--- a/example/mini_core.rs
+++ b/example/mini_core.rs
@@ -1,5 +1,5 @@
 #![feature(
-    no_core, lang_items, intrinsics, unboxed_closures, type_ascription, extern_types,
+    no_core, lang_items, intrinsics, unboxed_closures, extern_types,
     decl_macro, rustc_attrs, transparent_unions, auto_traits, freeze_impls,
     thread_local
 )]