diff --git a/packages/astro/performance/fixtures/mdx/.astro/types.d.ts b/packages/astro/performance/fixtures/mdx/.astro/types.d.ts
deleted file mode 100644
index 7eb23d573..000000000
--- a/packages/astro/performance/fixtures/mdx/.astro/types.d.ts
+++ /dev/null
@@ -1,85 +0,0 @@
-declare module 'astro:content' {
-	interface Render {
-		'.mdx': Promise<{
-			Content: import('astro').MarkdownInstance<{}>['Content'];
-			headings: import('astro').MarkdownHeading[];
-			remarkPluginFrontmatter: Record<string, any>;
-		}>;
-	}
-}
-
-declare module 'astro:content' {
-	interface Render {
-		'.md': Promise<{
-			Content: import('astro').MarkdownInstance<{}>['Content'];
-			headings: import('astro').MarkdownHeading[];
-			remarkPluginFrontmatter: Record<string, any>;
-		}>;
-	}
-}
-
-declare module 'astro:content' {
-	export { z } from 'astro/zod';
-	export type CollectionEntry<C extends keyof typeof entryMap> =
-		(typeof entryMap)[C][keyof (typeof entryMap)[C]];
-
-	type BaseSchemaWithoutEffects =
-		| import('astro/zod').AnyZodObject
-		| import('astro/zod').ZodUnion<import('astro/zod').AnyZodObject[]>
-		| import('astro/zod').ZodDiscriminatedUnion<string, import('astro/zod').AnyZodObject[]>
-		| import('astro/zod').ZodIntersection<
-				import('astro/zod').AnyZodObject,
-				import('astro/zod').AnyZodObject
-		  >;
-
-	type BaseSchema =
-		| BaseSchemaWithoutEffects
-		| import('astro/zod').ZodEffects<BaseSchemaWithoutEffects>;
-
-	type BaseCollectionConfig<S extends BaseSchema> = {
-		schema?: S;
-		slug?: (entry: {
-			id: CollectionEntry<keyof typeof entryMap>['id'];
-			defaultSlug: string;
-			collection: string;
-			body: string;
-			data: import('astro/zod').infer<S>;
-		}) => string | Promise<string>;
-	};
-	export function defineCollection<S extends BaseSchema>(
-		input: BaseCollectionConfig<S>
-	): BaseCollectionConfig<S>;
-
-	type EntryMapKeys = keyof typeof entryMap;
-	type AllValuesOf<T> = T extends any ? T[keyof T] : never;
-	type ValidEntrySlug<C extends EntryMapKeys> = AllValuesOf<(typeof entryMap)[C]>['slug'];
-
-	export function getEntryBySlug<
-		C extends keyof typeof entryMap,
-		E extends ValidEntrySlug<C> | (string & {})
-	>(
-		collection: C,
-		// Note that this has to accept a regular string too, for SSR
-		entrySlug: E
-	): E extends ValidEntrySlug<C>
-		? Promise<CollectionEntry<C>>
-		: Promise<CollectionEntry<C> | undefined>;
-	export function getCollection<C extends keyof typeof entryMap, E extends CollectionEntry<C>>(
-		collection: C,
-		filter?: (entry: CollectionEntry<C>) => entry is E
-	): Promise<E[]>;
-	export function getCollection<C extends keyof typeof entryMap>(
-		collection: C,
-		filter?: (entry: CollectionEntry<C>) => unknown
-	): Promise<CollectionEntry<C>[]>;
-
-	type InferEntrySchema<C extends keyof typeof entryMap> = import('astro/zod').infer<
-		Required<ContentConfig['collections'][C]>['schema']
-	>;
-
-	const entryMap: {
-		
-	};
-
-	type ContentConfig = never;
-}