diff --git a/clippy_lints/src/needless_pass_by_value.rs b/clippy_lints/src/needless_pass_by_value.rs
index 6dc5654862b..3e87ef03832 100644
--- a/clippy_lints/src/needless_pass_by_value.rs
+++ b/clippy_lints/src/needless_pass_by_value.rs
@@ -115,8 +115,7 @@ fn check_fn(
             .filter(|p| !p.is_global())
             .filter_map(|obligation| {
                 // Note that we do not want to deal with qualified predicates here.
-                let binder = obligation.predicate.bound_atom();
-                match binder.skip_binder() {
+                match obligation.predicate.bound_atom().skip_binder() {
                     ty::PredicateAtom::Trait(pred, _) if !pred.has_escaping_bound_vars() => {
                         if pred.def_id() == sized_trait {
                             return None;