diff --git a/crates/mako/src/plugins/tree_shaking/remove_useless_stmts.rs b/crates/mako/src/plugins/tree_shaking/remove_useless_stmts.rs
index dde449438..5b3e02a27 100644
--- a/crates/mako/src/plugins/tree_shaking/remove_useless_stmts.rs
+++ b/crates/mako/src/plugins/tree_shaking/remove_useless_stmts.rs
@@ -6,7 +6,7 @@ use swc_core::ecma::ast::{
     Decl, ExportDecl, ExportSpecifier, Id, ImportDecl, ImportSpecifier, Module as SwcModule,
     Module, ModuleExportName,
 };
-use swc_core::ecma::transforms::compat::es2015::destructuring;
+use swc_core::ecma::transforms::compat::es2015::{destructuring, for_of};
 use swc_core::ecma::transforms::compat::es2018::object_rest_spread;
 use swc_core::ecma::visit::{VisitMut, VisitMutWith, VisitWith};
 
@@ -272,6 +272,7 @@ fn optimize_import_namespace(import_infos: &mut [ImportInfo], module: &mut Modul
         let mut shadow = module.clone();
 
         shadow.visit_mut_with(&mut object_rest_spread(Default::default()));
+        shadow.visit_mut_with(&mut for_of(Default::default()));
         shadow.visit_mut_with(&mut destructuring(Default::default()));
         shadow.visit_with(&mut v);
 
diff --git a/e2e/fixtures/tree-shaking.import_namespace/src/index.tsx b/e2e/fixtures/tree-shaking.import_namespace/src/index.tsx
index cfba35f0a..ea670f77e 100644
--- a/e2e/fixtures/tree-shaking.import_namespace/src/index.tsx
+++ b/e2e/fixtures/tree-shaking.import_namespace/src/index.tsx
@@ -19,3 +19,10 @@ let {a, ...restObject} = object
 console.log(a,restObject)
 let copiedObject = {...object}
 console.log(copiedObject)
+
+// ref https://github.com/swc-project/swc/discussions/9647 
+for (const [k1, v1] of Object.entries(object)){
+  for (const [k2, v2] of Object.entries(object)){
+    console.log(k1,k2,v1,v2);
+  }
+}