diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs
index f1d3e949eaed..0c5127d802f8 100644
--- a/src/tools/miri/src/machine.rs
+++ b/src/tools/miri/src/machine.rs
@@ -1805,9 +1805,7 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> {
     }
 
     /// Placeholder!
-    fn get_default_alloc_params(&self) -> <Self::Bytes as AllocBytes>::AllocParams {
-        ()
-    }
+    fn get_default_alloc_params(&self) -> <Self::Bytes as AllocBytes>::AllocParams {}
 }
 
 /// Trait for callbacks handling asynchronous machine operations.