diff --git a/alloc/Cargo.toml b/alloc/Cargo.toml
index 4365bcc4ad022..1bd4434d4f7e9 100644
--- a/alloc/Cargo.toml
+++ b/alloc/Cargo.toml
@@ -52,4 +52,5 @@ check-cfg = [
     'cfg(no_global_oom_handling)',
     'cfg(no_rc)',
     'cfg(no_sync)',
+    'cfg(randomized_layouts)',
 ]
diff --git a/alloc/src/collections/btree/node/tests.rs b/alloc/src/collections/btree/node/tests.rs
index d230749d71231..4d2fa0f094171 100644
--- a/alloc/src/collections/btree/node/tests.rs
+++ b/alloc/src/collections/btree/node/tests.rs
@@ -90,7 +90,7 @@ fn test_partial_eq() {
 
 #[test]
 #[cfg(target_arch = "x86_64")]
-#[cfg_attr(miri, ignore)] // We'd like to run Miri with layout randomization
+#[cfg_attr(any(miri, randomized_layouts), ignore)] // We'd like to run Miri with layout randomization
 fn test_sizes() {
     assert_eq!(core::mem::size_of::<LeafNode<(), ()>>(), 16);
     assert_eq!(core::mem::size_of::<LeafNode<i64, i64>>(), 16 + CAPACITY * 2 * 8);