diff --git a/.changeset/eleven-rules-sleep.md b/.changeset/eleven-rules-sleep.md
new file mode 100644
index 000000000000..57cede09e52e
--- /dev/null
+++ b/.changeset/eleven-rules-sleep.md
@@ -0,0 +1,6 @@
+---
+'@sveltejs/adapter-cloudflare': patch
+'@sveltejs/adapter-cloudflare-workers': patch
+---
+
+fix: don't load ambient worker types
diff --git a/packages/adapter-cloudflare-workers/ambient.d.ts b/packages/adapter-cloudflare-workers/ambient.d.ts
index dba9b7151295..e0ee9db199db 100644
--- a/packages/adapter-cloudflare-workers/ambient.d.ts
+++ b/packages/adapter-cloudflare-workers/ambient.d.ts
@@ -1,10 +1,12 @@
-/// <reference types="@cloudflare/workers-types" />
+import { Cache, CacheStorage } from '@cloudflare/workers-types';
 
-declare namespace App {
-	export interface Platform {
-		context?: {
-			waitUntil(promise: Promise<any>): void;
-		};
-		caches?: CacheStorage & { default: Cache };
+declare global {
+	namespace App {
+		export interface Platform {
+			context?: {
+				waitUntil(promise: Promise<any>): void;
+			};
+			caches?: CacheStorage & { default: Cache };
+		}
 	}
 }
diff --git a/packages/adapter-cloudflare/ambient.d.ts b/packages/adapter-cloudflare/ambient.d.ts
index dba9b7151295..e0ee9db199db 100644
--- a/packages/adapter-cloudflare/ambient.d.ts
+++ b/packages/adapter-cloudflare/ambient.d.ts
@@ -1,10 +1,12 @@
-/// <reference types="@cloudflare/workers-types" />
+import { Cache, CacheStorage } from '@cloudflare/workers-types';
 
-declare namespace App {
-	export interface Platform {
-		context?: {
-			waitUntil(promise: Promise<any>): void;
-		};
-		caches?: CacheStorage & { default: Cache };
+declare global {
+	namespace App {
+		export interface Platform {
+			context?: {
+				waitUntil(promise: Promise<any>): void;
+			};
+			caches?: CacheStorage & { default: Cache };
+		}
 	}
 }