diff --git a/core/src/lib.rs b/core/src/lib.rs
index 922866f95dcf6..18bd9bb811836 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -108,12 +108,12 @@
 // Library features:
 // tidy-alphabetical-start
 #![cfg_attr(bootstrap, feature(coverage_attribute))]
+#![cfg_attr(bootstrap, feature(do_not_recommend))]
 #![feature(array_ptr_get)]
 #![feature(asm_experimental_arch)]
 #![feature(const_eval_select)]
 #![feature(const_typed_swap)]
 #![feature(core_intrinsics)]
-#![feature(do_not_recommend)]
 #![feature(internal_impls_macro)]
 #![feature(ip)]
 #![feature(is_ascii_octdigit)]