diff --git a/code/core/src/cli/detect.test.ts b/code/core/src/cli/detect.test.ts
index 740ed277ffa..e17b931808c 100644
--- a/code/core/src/cli/detect.test.ts
+++ b/code/core/src/cli/detect.test.ts
@@ -353,7 +353,7 @@ describe('Detect', () => {
     ).resolves.toBe(SupportedLanguage.TYPESCRIPT_4_9);
   });
 
-  it(`should return language typescript if the dependency is =TS4.9beta`, async () => {
+  it(`should return language JavaScript if the dependency is =TS4.9beta`, async () => {
     await expect(
       detectLanguage({
         retrievePackageJson: () =>
diff --git a/code/core/src/cli/detect.ts b/code/core/src/cli/detect.ts
index 6c7ef3ba9fa..ce489736c4e 100644
--- a/code/core/src/cli/detect.ts
+++ b/code/core/src/cli/detect.ts
@@ -207,7 +207,7 @@ export async function detectLanguage(packageManager: JsPackageManager) {
       (!eslintPluginStorybookVersion || semver.gte(eslintPluginStorybookVersion, '0.6.8'))
     ) {
       language = SupportedLanguage.TYPESCRIPT_4_9;
-    } else if (semver.lt(typescriptVersion, '3.8.0')) {
+    } else {
       logger.warn(
         'Detected TypeScript < 4.9 or incompatible tooling, populating with JavaScript examples'
       );
diff --git a/code/frameworks/svelte-vite/src/plugins/docgenTypes.ts b/code/frameworks/svelte-vite/src/plugins/docgenTypes.ts
deleted file mode 100644
index 5df7355b205..00000000000
--- a/code/frameworks/svelte-vite/src/plugins/docgenTypes.ts
+++ /dev/null
@@ -1,152 +0,0 @@
-/** Types from sveltedoc-parser/typings */
-
-export interface JSDocKeyword {
-  name: string;
-  description: string;
-}
-
-export type JSDocTypeKind = 'type' | 'const' | 'union' | 'function';
-
-export interface JSDocTypeBase {
-  kind: JSDocTypeKind;
-  text: string;
-}
-
-export interface JSDocTypeElement extends JSDocTypeBase {
-  kind: 'type';
-  type: string;
-  importPath?: string;
-}
-
-export interface JSDocTypeConst extends JSDocTypeBase {
-  kind: 'const';
-  type: string;
-  value?: any;
-}
-
-export interface JSDocTypeUnion extends JSDocTypeBase {
-  kind: 'union';
-  type: JSDocType[];
-}
-
-export interface IMethodDefinition {
-  params?: SvelteMethodParamItem[];
-  return?: SvelteMethodReturnItem;
-}
-
-/** @since {4.2.0} */
-export interface JSDocTypeFunction extends JSDocTypeBase, IMethodDefinition {
-  kind: 'function';
-}
-
-export type JSDocType = JSDocTypeElement | JSDocTypeConst | JSDocTypeUnion | JSDocTypeFunction;
-
-export interface SourceLocation {
-  start: number;
-  end: number;
-}
-
-export type JSVisibilityScope = 'public' | 'protected' | 'private';
-
-export type JSVariableDeclarationKind = 'var' | 'let' | 'const';
-
-export interface IScopedCommentItem {
-  description?: string | null;
-  visibility?: JSVisibilityScope;
-  keywords?: JSDocKeyword[];
-}
-
-export interface ISvelteItem extends IScopedCommentItem {
-  name: string;
-  locations?: SourceLocation[];
-}
-
-export interface SvelteDataBindMapping {
-  source: string;
-  property: string;
-}
-
-export interface SvelteDataItem extends ISvelteItem {
-  type?: JSDocType;
-  kind?: JSVariableDeclarationKind;
-  bind?: SvelteDataBindMapping[];
-  static?: boolean;
-  readonly?: boolean;
-  defaultValue?: any;
-  originalName?: string;
-  localName?: string;
-  importPath?: string;
-}
-
-export interface SvelteComputedItem extends ISvelteItem {
-  dependencies: string[];
-}
-
-export interface SvelteMethodParamItem {
-  name: string;
-  type: JSDocType;
-  repeated?: boolean;
-  optional?: boolean;
-  defaultValue?: string;
-  description?: string;
-  static?: boolean;
-}
-
-export interface SvelteMethodReturnItem {
-  type: JSDocType;
-  description?: string;
-}
-
-export interface SvelteMethodItem extends ISvelteItem, IMethodDefinition {}
-
-export interface SvelteComponentItem extends ISvelteItem {
-  importPath?: string;
-}
-
-export type SvelteEventModificator =
-  | 'preventDefault'
-  | 'stopPropagation'
-  | 'passive'
-  | 'capture'
-  | 'once'
-  | 'nonpassive'
-  | 'self'
-  | 'trusted';
-
-export interface SvelteEventItem extends ISvelteItem {
-  parent?: string | null;
-  modificators?: SvelteEventModificator[];
-}
-
-export interface SvelteSlotParameter {
-  name: string;
-  type: JSDocType;
-  description?: string;
-}
-
-export interface SvelteSlotItem extends ISvelteItem {
-  parameters?: SvelteSlotParameter[];
-  params?: SvelteSlotParameter[];
-}
-
-export interface SvelteRefItem extends ISvelteItem {
-  parent?: string | null;
-}
-
-export interface SvelteComponentDoc {
-  name?: string | null;
-  version?: number;
-  description?: string | null;
-  data?: SvelteDataItem[];
-  computed?: SvelteComputedItem[];
-  components?: SvelteComponentItem[];
-  events?: SvelteEventItem[];
-  slots?: SvelteSlotItem[];
-  refs?: SvelteRefItem[];
-
-  methods?: SvelteMethodItem[];
-  actions?: SvelteMethodItem[];
-  helpers?: SvelteMethodItem[];
-  transitions?: SvelteMethodItem[];
-  dispatchers?: SvelteMethodItem[];
-}