diff --git a/index.d.ts b/index.d.ts
index 99b46bf..841e665 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,18 +1,4 @@
///
-/** A file-like object of immutable, raw data. Blobs represent data that isn't necessarily in a JavaScript-native format. The File interface is based on Blob, inheriting blob functionality and expanding it to support files on the user's system. */
-declare interface FetchBlob extends Blob {
- [Symbol.toStringTag]: 'Blob';
- stream: () => ReadableStream;
- text: () => Promise;
- arrayBuffer: () => Promise;
- toString: () => '[object Blob]';
-
-}
-
-declare const FetchBlob: {
- prototype: FetchBlob;
- new(blobParts?: BlobPart[], options?: BlobPropertyBag): FetchBlob;
-};
-
-export = FetchBlob;
+/* global Blob */
+export = Blob;