diff --git a/lib/web_ui/lib/src/engine/canvaskit/image.dart b/lib/web_ui/lib/src/engine/canvaskit/image.dart
index 2fcfa6b6f3791..11af8b8a3d59b 100644
--- a/lib/web_ui/lib/src/engine/canvaskit/image.dart
+++ b/lib/web_ui/lib/src/engine/canvaskit/image.dart
@@ -204,7 +204,7 @@ Future<Uint8List> readChunked(HttpFetchPayload payload, int contentLength, WebOn
   final JSUint8Array result = createUint8ArrayFromLength(contentLength);
   int position = 0;
   int cumulativeBytesLoaded = 0;
-  await payload.read<JSUint8Array1>((JSUint8Array1 chunk) {
+  await payload.read<JSUint8Array>((JSUint8Array chunk) {
     cumulativeBytesLoaded += chunk.length.toDartInt;
     chunkCallback(cumulativeBytesLoaded, contentLength);
     result.set(chunk, position.toJS);
diff --git a/lib/web_ui/lib/src/engine/js_interop/js_typed_data.dart b/lib/web_ui/lib/src/engine/js_interop/js_typed_data.dart
index 8e0ae50b3740a..f82ce73af0998 100644
--- a/lib/web_ui/lib/src/engine/js_interop/js_typed_data.dart
+++ b/lib/web_ui/lib/src/engine/js_interop/js_typed_data.dart
@@ -15,7 +15,7 @@ extension TypedArrayExtension on JSTypedArray {
 // the dart sdk yet
 @JS('Uint8Array')
 @staticInterop
-class JSUint8Array1 extends JSTypedArray {
+class JSUint8Array1 {
   external factory JSUint8Array1._create1(JSAny bufferOrLength);
   external factory JSUint8Array1._create3(
     JSArrayBuffer buffer,