3 files changed, 3 insertions, 3 deletions
diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs
index 28695ade5bf..31cb9c9a8e2 100644
--- a/library/alloc/src/lib.rs
+++ b/library/alloc/src/lib.rs
@@ -172,12 +172,12 @@
 //
 // Language features:
 // tidy-alphabetical-start
+#![cfg_attr(bootstrap, feature(associated_type_bounds))]
 #![cfg_attr(not(test), feature(coroutine_trait))]
 #![cfg_attr(test, feature(panic_update_hook))]
 #![cfg_attr(test, feature(test))]
 #![feature(allocator_internals)]
 #![feature(allow_internal_unstable)]
-#![feature(associated_type_bounds)]
 #![feature(c_unwind)]
 #![feature(cfg_sanitize)]
 #![feature(const_mut_refs)]
diff --git a/library/alloc/tests/lib.rs b/library/alloc/tests/lib.rs
index ed928994ad6..b4c036f1034 100644
--- a/library/alloc/tests/lib.rs
+++ b/library/alloc/tests/lib.rs
@@ -1,3 +1,4 @@
+#![cfg_attr(bootstrap, feature(associated_type_bounds))]
 #![feature(allocator_api)]
 #![feature(alloc_layout_extra)]
 #![feature(iter_array_chunks)]
@@ -21,7 +22,6 @@
 #![feature(trusted_len)]
 #![feature(try_reserve_kind)]
 #![feature(unboxed_closures)]
-#![feature(associated_type_bounds)]
 #![feature(binary_heap_into_iter_sorted)]
 #![feature(binary_heap_drain_sorted)]
 #![feature(slice_ptr_get)]
diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs
index 0f7885769c2..d8aaac7a729 100644
--- a/library/core/src/lib.rs
+++ b/library/core/src/lib.rs
@@ -202,6 +202,7 @@
 //
 // Language features:
 // tidy-alphabetical-start
+#![cfg_attr(bootstrap, feature(associated_type_bounds))]
 #![cfg_attr(bootstrap, feature(diagnostic_namespace))]
 #![cfg_attr(bootstrap, feature(platform_intrinsics))]
 #![feature(abi_unadjusted)]
@@ -209,7 +210,6 @@
 #![feature(allow_internal_unsafe)]
 #![feature(allow_internal_unstable)]
 #![feature(asm_const)]
-#![feature(associated_type_bounds)]
 #![feature(auto_traits)]
 #![feature(c_unwind)]
 #![feature(cfg_sanitize)]