diff --git a/clippy_lints/src/casts/unnecessary_cast.rs b/clippy_lints/src/casts/unnecessary_cast.rs
index 811d33c8bde2..abd80abffe69 100644
--- a/clippy_lints/src/casts/unnecessary_cast.rs
+++ b/clippy_lints/src/casts/unnecessary_cast.rs
@@ -268,8 +268,7 @@ fn is_cast_from_ty_alias<'tcx>(cx: &LateContext<'tcx>, expr: impl Visitable<'tcx
                 if !snippet
                     .split("->")
                     .skip(1)
-                    .map(|s| snippet_eq_ty(s, cast_from) || s.split("where").any(|ty| snippet_eq_ty(ty, cast_from)))
-                    .any(|a| a)
+                    .any(|s| snippet_eq_ty(s, cast_from) || s.split("where").any(|ty| snippet_eq_ty(ty, cast_from)))
                 {
                     return ControlFlow::Break(());
                 }