diff --git a/src/runtime/ambient.ts b/src/runtime/ambient.ts
index 8dd2b2e1c9..09cd9b72f2 100644
--- a/src/runtime/ambient.ts
+++ b/src/runtime/ambient.ts
@@ -1,4 +1,3 @@
 declare module '*.svelte' {
-	// eslint-disable-next-line import/no-unresolved
-	export { default } from 'svelte/internal/ComponentApi';
+	export { SvelteComponentDev as default } from 'svelte/internal';
 }
diff --git a/src/runtime/index.ts b/src/runtime/index.ts
index 70fb65557f..e6c0c916f2 100644
--- a/src/runtime/index.ts
+++ b/src/runtime/index.ts
@@ -9,5 +9,5 @@ export {
 	getContext,
 	tick,
 	createEventDispatcher,
-	SvelteComponentApi as SvelteComponent
+	SvelteComponentDev as SvelteComponent
 } from 'svelte/internal';
diff --git a/src/runtime/internal/ComponentApi.ts b/src/runtime/internal/ComponentApi.ts
deleted file mode 100644
index 2718960e3d..0000000000
--- a/src/runtime/internal/ComponentApi.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-type Props = Record<string, any>;
-export declare class SvelteComponentApi {
-    constructor (options: {
-        target: Element;
-        anchor?: Element;
-        props?: Props;
-        hydrate?: boolean;
-        intro?: boolean;
-    });
-    $set(props: Props): void;
-    $on<T = any>(event: string, callback: (event: CustomEvent<T>) => void): () => void;
-    $destroy(): void;
-    [accessor: string]: any;
-}
-export default SvelteComponentApi;
\ No newline at end of file
diff --git a/src/runtime/internal/dev.ts b/src/runtime/internal/dev.ts
index c10b339632..bf03b65aae 100644
--- a/src/runtime/internal/dev.ts
+++ b/src/runtime/internal/dev.ts
@@ -79,8 +79,24 @@ export function set_data_dev(text, data) {
 	text.data = data;
 }
 
+
+type Props = Record<string, any>;
+export interface SvelteComponentDev {
+    $set(props?: Props): void;
+    $on<T = any>(event: string, callback: (event: CustomEvent<T>) => void): () => void;
+    $destroy(): void;
+    [accessor: string]: any;
+}
+
 export class SvelteComponentDev extends SvelteComponent {
-	constructor(options) {
+	constructor(options: {
+        target: Element;
+        anchor?: Element;
+        props?: Props;
+        hydrate?: boolean;
+		intro?: boolean;
+		$$inline?: boolean;
+    }) {
 		if (!options || (!options.target && !options.$$inline)) {
 			throw new Error(`'target' is a required option`);
 		}
diff --git a/src/runtime/internal/index.ts b/src/runtime/internal/index.ts
index 8e5725d3be..e1dd2a1fcf 100644
--- a/src/runtime/internal/index.ts
+++ b/src/runtime/internal/index.ts
@@ -12,5 +12,4 @@ export * from './ssr';
 export * from './transitions';
 export * from './utils';
 export * from './Component';
-export * from './ComponentApi';
 export * from './dev';