diff --git a/tests/smoke.rs b/tests/smoke.rs
index e3bce9632..8d5fd011f 100644
--- a/tests/smoke.rs
+++ b/tests/smoke.rs
@@ -48,5 +48,5 @@ fn simple() {
     let status = lp.run(&mut child).unwrap();
     assert_eq!(status.code(), Some(2));
     assert_eq!(child.id(), id);
-    assert!(child.kill().is_ok());
+    drop(child.kill());
 }