diff --git a/update_attempter.h b/update_attempter.h
index 12da537..06a3dac 100644
--- a/update_attempter.h
+++ b/update_attempter.h
@@ -124,8 +124,8 @@
   // attempt goes through this method.
   void UpdateBootFlags();
 
-  // Subprocess::Exec callback.
-  void CompleteUpdateBootFlags(int return_code, const std::string& output);
+  // Called when the boot flags have been updated.
+  void CompleteUpdateBootFlags(bool success);
 
   UpdateStatus status() const { return status_; }
 
@@ -473,10 +473,6 @@
   // True if UpdateBootFlags is running.
   bool update_boot_flags_running_ = false;
 
-  // Whether we should skip the async call to "setgoodkernel" command. Used in
-  // unittests.
-  bool skip_set_good_kernel_ = false;
-
   // True if the action processor needs to be started by the boot flag updater.
   bool start_action_processor_ = false;