diff --git a/types/rails__activestorage/index.d.ts b/types/rails__activestorage/index.d.ts
index 13c664b9bb65fc..5186ffeecb7111 100644
--- a/types/rails__activestorage/index.d.ts
+++ b/types/rails__activestorage/index.d.ts
@@ -11,10 +11,8 @@ export class DirectUpload {
     id: number;
     file: File;
     url: string;
-    serviceName: string;
-    attachmentName: string;
 
-    constructor(file: File, url: string, serviceName: string, attachmentName: string, delegate?: DirectUploadDelegate)
+    constructor(file: File, url: string, delegate?: DirectUploadDelegate)
 
     create(callback: (error: Error, blob: Blob) => void): void;
 }
diff --git a/types/rails__activestorage/rails__activestorage-tests.ts b/types/rails__activestorage/rails__activestorage-tests.ts
index 18119dfc4edb58..00b6e396d9f8ba 100644
--- a/types/rails__activestorage/rails__activestorage-tests.ts
+++ b/types/rails__activestorage/rails__activestorage-tests.ts
@@ -17,8 +17,6 @@ const delegate: ActiveStorage.DirectUploadDelegate = {
 const d = new ActiveStorage.DirectUpload(
     new File([], 'blank.txt'),
     '/rails/active_storage/direct_uploads',
-    'serviceName',
-    'attachmentName',
     delegate
 );