diff --git a/common/fake_hardware.h b/common/fake_hardware.h
index 00a212e..29ba607 100644
--- a/common/fake_hardware.h
+++ b/common/fake_hardware.h
@@ -194,6 +194,8 @@
 
   void SetWarmReset(bool warm_reset) override { warm_reset_ = warm_reset; }
 
+  void SetVbmetaDigestForInactiveSlot(bool reset) override {}
+
   // Getters to verify state.
   int GetMaxKernelKeyRollforward() const { return kernel_max_rollforward_; }