1 files changed, 3 insertions, 5 deletions

diff --git a/src/test/ui/issues/issue-2734.rs b/src/test/ui/issues/issue-2734.rs
index d449f6449..df4f394dc 100644
--- a/src/test/ui/issues/issue-2734.rs
+++ b/src/test/ui/issues/issue-2734.rs
@@ -4,21 +4,19 @@
 
 // pretty-expanded FIXME #23616
 
-#![feature(box_syntax)]
-
 trait hax {
     fn dummy(&self) { }
 }
 impl<A> hax for A { }
 
 fn perform_hax<T: 'static>(x: Box<T>) -> Box<dyn hax+'static> {
-    box x as Box<dyn hax+'static>
+    Box::new(x) as Box<dyn hax+'static>
 }
 
 fn deadcode() {
-    perform_hax(box "deadcode".to_string());
+    perform_hax(Box::new("deadcode".to_string()));
 }
 
 pub fn main() {
-    let _ = perform_hax(box 42);
+    let _ = perform_hax(Box::new(42));
 }