diff --git a/crates/oxc_transformer/src/typescript/annotations.rs b/crates/oxc_transformer/src/typescript/annotations.rs
index 53081960f..63f1bb943 100644
--- a/crates/oxc_transformer/src/typescript/annotations.rs
+++ b/crates/oxc_transformer/src/typescript/annotations.rs
@@ -88,15 +88,10 @@ impl<'a> TypeScriptAnnotations<'a> {
 
                     decl.export_kind.is_type()
                         || ((decl.declaration.is_none()
-                            || decl.declaration.as_ref().is_some_and(|d| {
-                                d.modifiers().is_some_and(|modifiers| {
-                                    modifiers.contains(ModifierKind::Declare)
-                                }) || matches!(
-                                    d,
-                                    Declaration::TSInterfaceDeclaration(_)
-                                        | Declaration::TSTypeAliasDeclaration(_)
-                                )
-                            }))
+                            || decl
+                                .declaration
+                                .as_ref()
+                                .is_some_and(Declaration::is_typescript_syntax))
                             && decl.specifiers.is_empty())
                 }
                 ModuleDeclaration::ImportDeclaration(decl) => {
@@ -196,7 +191,6 @@ impl<'a> TypeScriptAnnotations<'a> {
         class.type_parameters = None;
         class.super_type_parameters = None;
         class.implements = None;
-        class.modifiers.remove_type_modifiers();
     }
 
     pub fn transform_class_body(&mut self, body: &mut ClassBody<'a>) {
@@ -236,7 +230,6 @@ impl<'a> TypeScriptAnnotations<'a> {
         func.this_param = None;
         func.type_parameters = None;
         func.return_type = None;
-        func.modifiers.remove_type_modifiers();
     }
 
     pub fn transform_jsx_opening_element(&mut self, elem: &mut JSXOpeningElement<'a>) {
diff --git a/tasks/transform_conformance/babel.snap.md b/tasks/transform_conformance/babel.snap.md
index fda77b857..532f9d6dc 100644
--- a/tasks/transform_conformance/babel.snap.md
+++ b/tasks/transform_conformance/babel.snap.md
@@ -1,4 +1,4 @@
-Passed: 134/217
+Passed: 136/217
 
 # All Passed:
 * babel-plugin-transform-react-jsx-source
@@ -16,7 +16,7 @@ Passed: 134/217
 * opts/optimizeConstEnums/input.ts
 * opts/rewriteImportExtensions/input.ts
 
-# babel-plugin-transform-typescript (80/147)
+# babel-plugin-transform-typescript (82/147)
 * class/abstract-allowDeclareFields-false/input.ts
 * class/abstract-allowDeclareFields-true/input.ts
 * class/abstract-class-decorated/input.ts
@@ -31,9 +31,7 @@ Passed: 134/217
 * class/parameter-properties-with-super/input.ts
 * class/private-method-override-transform-private/input.ts
 * class/transform-properties-declare-wrong-order/input.ts
-* declarations/erased/input.ts
 * declarations/nested-namespace/input.mjs
-* exports/declare-shadowed/input.ts
 * exports/declared-types/input.ts
 * exports/export-const-enums/input.ts
 * exports/export-type-star-from/input.ts