diff --git a/crates/swc_ecma_compat_es2015/src/template_literal.rs b/crates/swc_ecma_compat_es2015/src/template_literal.rs
index d8b030d3666c..ab63cab51897 100644
--- a/crates/swc_ecma_compat_es2015/src/template_literal.rs
+++ b/crates/swc_ecma_compat_es2015/src/template_literal.rs
@@ -5,12 +5,8 @@ use swc_atoms::JsWord;
 use swc_common::{util::take::Take, BytePos, Spanned, DUMMY_SP};
 use swc_ecma_ast::*;
 use swc_ecma_transforms_base::{helper, perf::Parallel};
-use swc_ecma_utils::{
-    is_literal, prepend_stmts, private_ident, quote_ident, ExprFactory, StmtLike,
-};
-use swc_ecma_visit::{as_folder, standard_only_visit_mut, Fold, VisitMut, VisitMutWith};
 use swc_ecma_utils::{is_literal, prepend_stmts, private_ident, quote_ident, ExprFactory};
-use swc_ecma_visit::{as_folder, noop_visit_mut_type, Fold, VisitMut, VisitMutWith};
+use swc_ecma_visit::{as_folder, standard_only_visit_mut, Fold, VisitMut, VisitMutWith};
 use swc_trace_macro::swc_trace;
 
 pub fn template_literal(c: Config) -> impl Fold + VisitMut {
diff --git a/crates/swc_ecma_transforms_module/src/module_decl_strip.rs b/crates/swc_ecma_transforms_module/src/module_decl_strip.rs
index 6992f3144535..02deed7cf8b0 100644
--- a/crates/swc_ecma_transforms_module/src/module_decl_strip.rs
+++ b/crates/swc_ecma_transforms_module/src/module_decl_strip.rs
@@ -6,10 +6,8 @@ use swc_common::{
     Mark, Span, SyntaxContext,
 };
 use swc_ecma_ast::*;
-use swc_ecma_utils::{find_pat_ids, ident::IdentLike, private_ident, quote_ident, ExprFactory};
-use swc_ecma_visit::{standard_only_visit_mut, VisitMut, VisitMutWith};
 use swc_ecma_utils::{find_pat_ids, private_ident, quote_ident, ExprFactory};
-use swc_ecma_visit::{noop_visit_mut_type, VisitMut, VisitMutWith};
+use swc_ecma_visit::{standard_only_visit_mut, VisitMut, VisitMutWith};
 
 use crate::{module_ref_rewriter::ImportMap, SpanCtx};
 
diff --git a/crates/swc_ecma_transforms_typescript/src/transform.rs b/crates/swc_ecma_transforms_typescript/src/transform.rs
index ca96f321df05..8734dd5d00da 100644
--- a/crates/swc_ecma_transforms_typescript/src/transform.rs
+++ b/crates/swc_ecma_transforms_typescript/src/transform.rs
@@ -1003,12 +1003,9 @@ impl Transform {
         // NOTE: This is not correct!
         // However, all unresolved_span are used in TsImportExportAssignConfig::Classic
         // which is deprecated and not used in real world.
-        let unresolved_span = DUMMY_SP.apply_mark(self.unresolved_mark);
-        let cjs_require = quote_ident!(unresolved_span, "require");
-        let cjs_exports = quote_ident!(unresolved_span, "exports");
-        let unresolved_ctxt = SyntaxContext::empty().apply_mark(self.top_level_mark);
-        let cjs_require = quote_ident!(unresolved_ctxt, "require");
-        let cjs_exports = quote_ident!(unresolved_ctxt, "exports");
+        let top_level_ctxt = self.top_level_ctxt;
+        let cjs_require = quote_ident!(top_level_ctxt, "require");
+        let cjs_exports = quote_ident!(top_level_ctxt, "exports");
 
         let mut cjs_export_assign = None;
 
@@ -1016,8 +1013,7 @@ impl Transform {
             match &mut module_item {
                 ModuleItem::ModuleDecl(ModuleDecl::TsImportEquals(decl)) if !decl.is_type_only => {
                     debug_assert_ne!(
-                        decl.id.span.ctxt(),
-                        self.unresolved_ctxt,
+                        decl.id.ctxt, self.unresolved_ctxt,
                         "TsImportEquals has top-level context and it should not be identical to \
                          the unresolved mark"
                     );
@@ -1166,7 +1162,7 @@ impl Transform {
                                 expr.make_assign_to(
                                     op!("="),
                                     member_expr!(
-                                        unresolved_ctxt,
+                                        top_level_ctxt,
                                         Default::default(),
                                         module.exports
                                     )
diff --git a/crates/swc_ecma_utils/src/lib.rs b/crates/swc_ecma_utils/src/lib.rs
index 0abf88be029f..2830ef30d77d 100644
--- a/crates/swc_ecma_utils/src/lib.rs
+++ b/crates/swc_ecma_utils/src/lib.rs
@@ -884,9 +884,6 @@ pub trait ExprExt {
 
                 return (Pure, num_from_str(&s));
             }
-            Expr::Ident(Ident { sym, span, .. }) => match &**sym {
-                "undefined" | "NaN" if span.ctxt == ctx.unresolved_ctxt => f64::NAN,
-                "Infinity" if span.ctxt == ctx.unresolved_ctxt => f64::INFINITY,
             Expr::Ident(Ident { sym, ctxt, .. }) => match &**sym {
                 "undefined" | "NaN" if *ctxt == ctx.unresolved_ctxt => f64::NAN,
                 "Infinity" if *ctxt == ctx.unresolved_ctxt => f64::INFINITY,