diff --git a/src/test/ui/lint/let_underscore/let_underscore_drop.rs b/src/test/ui/lint/let_underscore/let_underscore_drop.rs
index 75c6ecec3ee5..85ca5dd2880a 100644
--- a/src/test/ui/lint/let_underscore/let_underscore_drop.rs
+++ b/src/test/ui/lint/let_underscore/let_underscore_drop.rs
@@ -1,4 +1,4 @@
-// run-pass
+// check-pass
 // compile-flags: -W let_underscore_drop
 
 struct NontrivialDrop;
diff --git a/src/test/ui/lint/let_underscore/let_underscore_lock.rs b/src/test/ui/lint/let_underscore/let_underscore_lock.rs
index c37264136ef7..7423862cdf05 100644
--- a/src/test/ui/lint/let_underscore/let_underscore_lock.rs
+++ b/src/test/ui/lint/let_underscore/let_underscore_lock.rs
@@ -1,3 +1,4 @@
+// check-fail
 use std::sync::{Arc, Mutex};
 
 fn main() {
diff --git a/src/test/ui/lint/let_underscore/let_underscore_must_use.rs b/src/test/ui/lint/let_underscore/let_underscore_must_use.rs
index 8efaad51ea87..3f79dc7a096b 100644
--- a/src/test/ui/lint/let_underscore/let_underscore_must_use.rs
+++ b/src/test/ui/lint/let_underscore/let_underscore_must_use.rs
@@ -1,4 +1,4 @@
-// run-pass
+// check-pass
 // compile-flags: -W let_underscore_must_use
 
 #[must_use]