diff --git a/update_attempter.cc b/update_attempter.cc
index 32c3728..f523839 100644
--- a/update_attempter.cc
+++ b/update_attempter.cc
@@ -1099,19 +1099,6 @@
   }
 }
 
-// Stop updating. An attempt will be made to record status to the disk
-// so that updates can be resumed later.
-void UpdateAttempter::Terminate() {
-  // TODO(adlr): implement this method.
-  NOTIMPLEMENTED();
-}
-
-// Try to resume from a previously Terminate()d update.
-void UpdateAttempter::ResumeUpdating() {
-  // TODO(adlr): implement this method.
-  NOTIMPLEMENTED();
-}
-
 void UpdateAttempter::SetDownloadStatus(bool active) {
   download_active_ = active;
   LOG(INFO) << "Download status: " << (active ? "active" : "inactive");
diff --git a/update_attempter.h b/update_attempter.h
index eca60c7..7e13df3 100644
--- a/update_attempter.h
+++ b/update_attempter.h
@@ -91,13 +91,6 @@
                        AbstractAction* action,
                        ErrorCode code) override;
 
-  // Stop updating. An attempt will be made to record status to the disk
-  // so that updates can be resumed later.
-  void Terminate();
-
-  // Try to resume from a previously Terminate()d update.
-  void ResumeUpdating();
-
   // Resets the current state to UPDATE_STATUS_IDLE.
   // Used by update_engine_client for restarting a new update without
   // having to reboot once the previous update has reached