diff --git a/hardware.h b/hardware.h
index 7f895c9..5ab1fca 100644
--- a/hardware.h
+++ b/hardware.h
@@ -18,6 +18,8 @@
 
   // HardwareInterface methods.
   virtual const std::string BootDevice();
+  virtual bool IsOfficialBuild();
+  virtual bool IsNormalBootMode();
   virtual std::string GetHardwareClass();
   virtual std::string GetFirmwareVersion();
   virtual std::string GetECVersion();