diff --git a/crates/polars-plan/src/logical_plan/optimizer/predicate_pushdown/mod.rs b/crates/polars-plan/src/logical_plan/optimizer/predicate_pushdown/mod.rs
index eb4bd7a61cf2f..08bf787e01836 100644
--- a/crates/polars-plan/src/logical_plan/optimizer/predicate_pushdown/mod.rs
+++ b/crates/polars-plan/src/logical_plan/optimizer/predicate_pushdown/mod.rs
@@ -83,12 +83,12 @@ impl<'a> PredicatePushDown<'a> {
             let input = inputs[inputs.len() - 1];
             let input_schema = lp_arena.get(input).schema(lp_arena);
 
-            let (pushdown_eligibility, alias_rename_map) =
+            let (eligibility, alias_rename_map) =
                 pushdown_eligibility(input_schema.as_ref(), &exprs, &acc_predicates, expr_arena)?;
 
-            let local_predicates = match pushdown_eligibility {
-                PushdownEligibility::FullPushdown => vec![],
-                PushdownEligibility::PartialPushdown(allowed) => {
+            let local_predicates = match eligibility {
+                PushdownEligibility::Full => vec![],
+                PushdownEligibility::Partial(allowed) => {
                     let mut out = Vec::<Node>::with_capacity(allowed.len());
                     for key in allowed {
                         out.push(acc_predicates.remove(&key).unwrap());
@@ -255,8 +255,8 @@ impl<'a> PredicatePushDown<'a> {
                 // contexts. Note boundary projections are handled elsewhere.
 
                 let local_predicates = match pushdown_eligibility(lp.schema(lp_arena).as_ref(), &vec![], &acc_predicates, expr_arena)?.0 {
-                    PushdownEligibility::FullPushdown => vec![],
-                    PushdownEligibility::PartialPushdown(allowed) => {
+                    PushdownEligibility::Full => vec![],
+                    PushdownEligibility::Partial(allowed) => {
                         let mut out = Vec::<Node>::with_capacity(allowed.len());
                         for key in allowed {
                             out.push(acc_predicates.remove(&key).unwrap());
diff --git a/crates/polars-plan/src/logical_plan/optimizer/predicate_pushdown/utils.rs b/crates/polars-plan/src/logical_plan/optimizer/predicate_pushdown/utils.rs
index 30a54f243bb48..90d6d41d8f9ab 100644
--- a/crates/polars-plan/src/logical_plan/optimizer/predicate_pushdown/utils.rs
+++ b/crates/polars-plan/src/logical_plan/optimizer/predicate_pushdown/utils.rs
@@ -240,11 +240,12 @@ fn get_maybe_aliased_projection_to_input_name_map(
 }
 
 pub enum PushdownEligibility {
-    FullPushdown,
-    PartialPushdown(Vec<Arc<str>>),
+    Full,
+    Partial(Vec<Arc<str>>),
     NoPushdown,
 }
 
+#[allow(clippy::type_complexity)]
 pub fn pushdown_eligibility(
     input_schema: &Schema,
     projection_nodes: &Vec<Node>,
@@ -408,7 +409,7 @@ pub fn pushdown_eligibility(
     debug_assert!(!common_window_inputs.is_empty() || !has_window);
 
     if !has_window && projection_nodes.is_empty() {
-        return Ok((PushdownEligibility::FullPushdown, alias_to_col_map));
+        return Ok((PushdownEligibility::Full, alias_to_col_map));
     }
 
     // Note: has_window is constant.
@@ -422,7 +423,7 @@ pub fn pushdown_eligibility(
 
     let allowed_predicates = acc_predicates
         .iter()
-        .filter_map(|(&ref key, &node)| {
+        .filter_map(|(key, &node)| {
             debug_assert!(ae_nodes_stack.is_empty());
 
             ae_nodes_stack.push(node);
@@ -456,11 +457,9 @@ pub fn pushdown_eligibility(
 
     match allowed_predicates.len() {
         0 => Ok((PushdownEligibility::NoPushdown, alias_to_col_map)),
-        len if len == acc_predicates.len() => {
-            Ok((PushdownEligibility::FullPushdown, alias_to_col_map))
-        },
+        len if len == acc_predicates.len() => Ok((PushdownEligibility::Full, alias_to_col_map)),
         _ => Ok((
-            PushdownEligibility::PartialPushdown(allowed_predicates),
+            PushdownEligibility::Partial(allowed_predicates),
             alias_to_col_map,
         )),
     }