diff --git a/hardware_chromeos.cc b/hardware_chromeos.cc
index 8ef05b2..a49375e 100644
--- a/hardware_chromeos.cc
+++ b/hardware_chromeos.cc
@@ -333,4 +333,6 @@
   return true;
 }
 
+void HardwareChromeOS::SetWarmReset(bool warm_reset) {}
+
 }  // namespace chromeos_update_engine