diff --git a/packages/svelte/src/legacy/legacy-client.js b/packages/svelte/src/legacy/legacy-client.js
index 19bdd6b08918..7ca202cf73bf 100644
--- a/packages/svelte/src/legacy/legacy-client.js
+++ b/packages/svelte/src/legacy/legacy-client.js
@@ -65,7 +65,7 @@ export function asClassComponent(component) {
 
 /**
  * Support using the component as both a class and function during the transition period
- * @typedef  {{new: (o: ComponentConstructorOptions) => SvelteComponent} & ((...args: Parameters<Component<Record<string, any>>>) => ReturnType<Component<Record<string, any>, Record<string, any>>>)} LegacyComponentType
+ * @typedef  {{new (o: ComponentConstructorOptions): SvelteComponent;(...args: Parameters<Component<Record<string, any>>>): ReturnType<Component<Record<string, any>, Record<string, any>>>;}} LegacyComponentType
  */
 
 class Svelte4Component {
diff --git a/packages/svelte/types/index.d.ts b/packages/svelte/types/index.d.ts
index e8ce22b08a11..01119e748572 100644
--- a/packages/svelte/types/index.d.ts
+++ b/packages/svelte/types/index.d.ts
@@ -1582,8 +1582,9 @@ declare module 'svelte/legacy' {
 	 * Support using the component as both a class and function during the transition period
 	 */
 	export type LegacyComponentType = {
-		new: (o: ComponentConstructorOptions) => SvelteComponent;
-	} & ((...args: Parameters<Component<Record<string, any>>>) => ReturnType<Component<Record<string, any>, Record<string, any>>>);
+		new (o: ComponentConstructorOptions): SvelteComponent;
+		(...args: Parameters<Component<Record<string, any>>>): ReturnType<Component<Record<string, any>, Record<string, any>>>;
+	};
 	/**
 	 * Substitute for the `trusted` event modifier
 	 * @deprecated