3 files changed, 3 insertions, 3 deletions
diff --git a/src/test/ui/async-await/issues/issue-64433.rs b/src/test/ui/async-await/issues/issue-64433.rs
index 802e09c8a1f..d900f8ed9ba 100644
--- a/src/test/ui/async-await/issues/issue-64433.rs
+++ b/src/test/ui/async-await/issues/issue-64433.rs
@@ -23,7 +23,7 @@ impl B {
 async fn can_error(some_string: &str) -> Result<(), String> {
     let a = A { inner: vec![some_string, "foo"] };
     let mut b = B {};
-    Ok(b.something_with_a(a).await.map(|_| ())?)
+    Ok(b.something_with_a(a).await.map(drop)?)
 }
 
 fn main() {
diff --git a/src/test/ui/nll/issue-50343.rs b/src/test/ui/nll/issue-50343.rs
index 55a2d231e19..dd0afbbdfc6 100644
--- a/src/test/ui/nll/issue-50343.rs
+++ b/src/test/ui/nll/issue-50343.rs
@@ -3,6 +3,6 @@
 #![deny(unused_mut)]
 
 fn main() {
-    vec![42].iter().map(|_| ()).count();
+    vec![42].iter().map(drop).count();
     vec![(42, 22)].iter().map(|(_x, _y)| ()).count();
 }
diff --git a/src/test/ui/paths-containing-nul.rs b/src/test/ui/paths-containing-nul.rs
index c9bf710b8e7..e9510b53fea 100644
--- a/src/test/ui/paths-containing-nul.rs
+++ b/src/test/ui/paths-containing-nul.rs
@@ -17,7 +17,7 @@ fn assert_invalid_input<T>(on: &str, result: io::Result<T>) {
                               "{} returned a strange {:?} on a path with NUL", on, e.kind()),
         }
     }
-    inner(on, result.map(|_| ()))
+    inner(on, result.map(drop))
 }
 
 fn main() {