diff --git a/crates/mako/src/lib.rs b/crates/mako/src/lib.rs
index c2d2f0e27..a3fcb1c48 100644
--- a/crates/mako/src/lib.rs
+++ b/crates/mako/src/lib.rs
@@ -1,7 +1,6 @@
 #![feature(box_patterns)]
 #![feature(hasher_prefixfree_extras)]
 #![feature(let_chains)]
-#![feature(result_option_inspect)]
 
 mod analyze_deps;
 mod ast;
diff --git a/crates/mako/src/main.rs b/crates/mako/src/main.rs
index 65fec9798..8d8d62a2d 100644
--- a/crates/mako/src/main.rs
+++ b/crates/mako/src/main.rs
@@ -1,6 +1,5 @@
 #![feature(box_patterns)]
 #![feature(let_chains)]
-#![feature(result_option_inspect)]
 
 use std::sync::Arc;
 
diff --git a/crates/mako/src/plugins/farm_tree_shake/shake/skip_module.rs b/crates/mako/src/plugins/farm_tree_shake/shake/skip_module.rs
index e9ce6b956..913615d0a 100644
--- a/crates/mako/src/plugins/farm_tree_shake/shake/skip_module.rs
+++ b/crates/mako/src/plugins/farm_tree_shake/shake/skip_module.rs
@@ -145,7 +145,7 @@ pub enum ReExportType {
 pub(super) fn skip_module_optimize(
     module_graph: &mut ModuleGraph,
 
-    tree_shake_modules_ids: &Vec<ModuleId>,
+    tree_shake_modules_ids: &[ModuleId],
     tree_shake_modules_map: &HashMap<ModuleId, RefCell<TreeShakeModule>>,
 
     _context: &Arc<Context>,
diff --git a/crates/mako/src/tree_shaking/unused_statement_marker.rs b/crates/mako/src/tree_shaking/unused_statement_marker.rs
index 43d72071f..d895d1475 100644
--- a/crates/mako/src/tree_shaking/unused_statement_marker.rs
+++ b/crates/mako/src/tree_shaking/unused_statement_marker.rs
@@ -53,7 +53,7 @@ impl VisitMut for UnusedStatementMarker<'_, '_> {
 
     // 清理 export { } 这里面的变量
     fn visit_mut_export_specifiers(&mut self, specifiers: &mut Vec<swc_ecma_ast::ExportSpecifier>) {
-        for (_, specifier) in specifiers.iter().enumerate() {
+        for specifier in specifiers.iter() {
             match specifier {
                 swc_ecma_ast::ExportSpecifier::Namespace(_) => {}
                 swc_ecma_ast::ExportSpecifier::Default(_) => {}