diff --git a/src/test/ui/sanitize/memory.rs b/src/test/ui/sanitize/memory.rs
index 83f79679c6e67..adda51f6be0ec 100644
--- a/src/test/ui/sanitize/memory.rs
+++ b/src/test/ui/sanitize/memory.rs
@@ -14,6 +14,7 @@
 #![feature(core_intrinsics)]
 #![feature(start)]
 #![feature(bench_black_box)]
+#![allow(invalid_value)]
 
 use std::hint::black_box;
 use std::mem::MaybeUninit;
diff --git a/src/tools/clippy/tests/ui/uninit.rs b/src/tools/clippy/tests/ui/uninit.rs
index dac5ce272c026..2113173170868 100644
--- a/src/tools/clippy/tests/ui/uninit.rs
+++ b/src/tools/clippy/tests/ui/uninit.rs
@@ -1,5 +1,5 @@
 #![feature(stmt_expr_attributes)]
-#![allow(clippy::let_unit_value)]
+#![allow(clippy::let_unit_value, invalid_value)]
 
 use std::mem::{self, MaybeUninit};