diff --git a/Cargo.toml b/Cargo.toml
index 28c7a5cfa02..852aeed9cf1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -163,7 +163,6 @@ cargo_common_metadata = { level = "allow", priority = 1 }
 # style-lints:
 doc_lazy_continuation = { level = "allow", priority = 1 }
 needless_return = { level = "allow", priority = 1 }
-unnecessary_map_or = { level = "allow", priority = 1 }
 # complexity-lints
 needless_lifetimes = { level = "allow", priority = 1 }
 precedence = { level = "allow", priority = 1 }
diff --git a/src/graph/astar.rs b/src/graph/astar.rs
index e2ae5032da2..a4244c87b8b 100644
--- a/src/graph/astar.rs
+++ b/src/graph/astar.rs
@@ -62,7 +62,7 @@ pub fn astar<V: Ord + Copy, E: Ord + Copy + Add<Output = E> + Zero>(
             let real_weight = real_weight + weight;
             if weights
                 .get(&next)
-                .map_or(true, |&weight| real_weight < weight)
+                .is_none_or(|&weight| real_weight < weight)
             {
                 // current allows us to reach next with lower weight (or at all)
                 // add next to the front