diff --git a/miri/bin/miri.rs b/miri/bin/miri.rs
index 6ba86c81e040..5491762c3395 100644
--- a/miri/bin/miri.rs
+++ b/miri/bin/miri.rs
@@ -111,7 +111,7 @@ fn after_analysis<'a, 'tcx>(state: &mut CompileState<'a, 'tcx>) {
             fn visit_item(&mut self, i: &'hir hir::Item) {
                 if let hir::Item_::ItemFn(_, _, _, _, _, body_id) = i.node {
                     if i.attrs.iter().any(|attr| {
-                        attr.name().map_or(false, |n| n == "test")
+                        attr.name() == "test"
                     })
                     {
                         let did = self.0.hir.body_owner_def_id(body_id);