diff --git a/.changeset/soft-news-teach.md b/.changeset/soft-news-teach.md
new file mode 100644
index 000000000000..6698998de995
--- /dev/null
+++ b/.changeset/soft-news-teach.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/kit': patch
+---
+
+restore reverted config changes
diff --git a/packages/kit/types/config.d.ts b/packages/kit/types/config.d.ts
index 6a10d370ba6e..a7d34c05c54f 100644
--- a/packages/kit/types/config.d.ts
+++ b/packages/kit/types/config.d.ts
@@ -1,4 +1,5 @@
 import { UserConfig as ViteConfig } from 'vite';
+import { RecursiveRequired } from './helper';
 import { Logger, TrailingSlash } from './internal';
 
 export interface AdapterUtils {
@@ -9,15 +10,7 @@ export interface AdapterUtils {
 	copy_server_files: (dest: string) => void;
 	copy_static_files: (dest: string) => void;
 	copy: (from: string, to: string, filter?: (basename: string) => boolean) => void;
-	prerender: ({
-		all,
-		dest,
-		fallback
-	}: {
-		all?: boolean;
-		dest: string;
-		fallback?: string;
-	}) => Promise<void>;
+	prerender: (options: { all?: boolean; dest: string; fallback?: string }) => Promise<void>;
 }
 
 export interface Adapter {
@@ -25,6 +18,17 @@ export interface Adapter {
 	adapt: (context: { utils: AdapterUtils; config: ValidatedConfig }) => Promise<void>;
 }
 
+export interface PrerenderErrorHandler {
+	(details: {
+		status: number;
+		path: string;
+		referrer: string | null;
+		referenceType: 'linked' | 'fetched';
+	}): void;
+}
+
+export type PrerenderOnErrorValue = 'fail' | 'continue' | PrerenderErrorHandler;
+
 export interface Config {
 	compilerOptions?: any;
 	extensions?: string[];
@@ -63,7 +67,7 @@ export interface Config {
 		prerender?: {
 			crawl?: boolean;
 			enabled?: boolean;
-			force?: boolean;
+			onError?: PrerenderOnErrorValue;
 			pages?: string[];
 		};
 		router?: boolean;
@@ -78,65 +82,6 @@ export interface Config {
 	preprocess?: any;
 }
 
-export type PrerenderErrorHandler = (errorDetails: {
-	status: number;
-	path: string;
-	referrer: string | null;
-	referenceType: 'linked' | 'fetched';
-}) => void | never;
-
-export type PrerenderOnErrorValue = 'fail' | 'continue' | PrerenderErrorHandler;
-
-export interface ValidatedConfig {
-	compilerOptions: any;
-	extensions: string[];
-	kit: {
-		adapter: Adapter;
-		amp: boolean;
-		appDir: string;
-		files: {
-			assets: string;
-			hooks: string;
-			lib: string;
-			routes: string;
-			serviceWorker: string;
-			setup: string;
-			template: string;
-		};
-		floc: boolean;
-		host: string;
-		hostHeader: string;
-		hydrate: boolean;
-		package: {
-			dir: string;
-			emitTypes: boolean;
-			exports: {
-				include: string[];
-				exclude: string[];
-			};
-			files: {
-				include: string[];
-				exclude: string[];
-			};
-		};
-		paths: {
-			assets: string;
-			base: string;
-		};
-		prerender: {
-			crawl: boolean;
-			enabled: boolean;
-			onError: PrerenderOnErrorValue;
-			pages: string[];
-		};
-		router: boolean;
-		serviceWorker: {
-			exclude: string[];
-		};
-		ssr: boolean;
-		target: string;
-		trailingSlash: TrailingSlash;
-		vite: () => ViteConfig;
-	};
-	preprocess: any;
-}
+export type ValidatedConfig = RecursiveRequired<Config> & {
+	kit: { files: { setup: string } }; // only for validated
+};