diff --git a/system_state.h b/system_state.h
index b008095..21aeabd 100644
--- a/system_state.h
+++ b/system_state.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_SYSTEM_STATE_H_
-#define CHROMEOS_PLATFORM_UPDATE_ENGINE_SYSTEM_STATE_H_
+#ifndef UPDATE_ENGINE_SYSTEM_STATE_H_
+#define UPDATE_ENGINE_SYSTEM_STATE_H_
 
 class MetricsLibraryInterface;
 
@@ -95,4 +95,4 @@
 
 }  // namespace chromeos_update_engine
 
-#endif  // CHROMEOS_PLATFORM_UPDATE_ENGINE_SYSTEM_STATE_H_
+#endif  // UPDATE_ENGINE_SYSTEM_STATE_H_