diff --git a/src/frontend/src/optimizer/plan_node/logical_share.rs b/src/frontend/src/optimizer/plan_node/logical_share.rs
index d0cec9108a555..5fe4347a19134 100644
--- a/src/frontend/src/optimizer/plan_node/logical_share.rs
+++ b/src/frontend/src/optimizer/plan_node/logical_share.rs
@@ -68,7 +68,7 @@ impl LogicalShare {
         LogicalShare::new(input).into()
     }
 
-    pub(super) fn pretty_fields<'a>(base: impl GenericPlanRef, name: &'a str) -> XmlNode<'a> {
+    pub(super) fn pretty_fields(base: impl GenericPlanRef, name: &str) -> XmlNode<'_> {
         childless_record(name, vec![("id", Pretty::debug(&base.id().0))])
     }
 }
diff --git a/src/frontend/src/optimizer/plan_node/mod.rs b/src/frontend/src/optimizer/plan_node/mod.rs
index beaaa18726dfe..ec7777e42e737 100644
--- a/src/frontend/src/optimizer/plan_node/mod.rs
+++ b/src/frontend/src/optimizer/plan_node/mod.rs
@@ -183,6 +183,7 @@ impl_downcast!(PlanNode);
 
 // Using a new type wrapper allows direct function implementation on `PlanRef`,
 // and we currently need a manual implementation of `PartialEq` for `PlanRef`.
+#[allow(clippy::derived_hash_with_manual_eq)]
 #[derive(Clone, Debug, Eq, Hash)]
 pub struct PlanRef(Rc<dyn PlanNode>);
 
@@ -528,7 +529,7 @@ impl GenericPlanRef for PlanRef {
         self.plan_base().schema()
     }
 
-    fn stream_key<'a>(&'a self) -> Option<&'a [usize]> {
+    fn stream_key(&self) -> Option<&[usize]> {
         self.plan_base().stream_key()
     }