diff --git a/omaha_request_action.h b/omaha_request_action.h
index 2edc13c..b32a3af 100644
--- a/omaha_request_action.h
+++ b/omaha_request_action.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -50,7 +50,6 @@
   off_t size;
   bool needs_admin;
   bool prompt;
-  bool is_delta;
 };
 COMPILE_ASSERT(sizeof(off_t) == 8, off_t_not_64bit);