diff --git a/update_attempter_unittest.cc b/update_attempter_unittest.cc
index 1d1542b..8eec668 100644
--- a/update_attempter_unittest.cc
+++ b/update_attempter_unittest.cc
@@ -105,7 +105,7 @@
     attempter_.set_good_kernel_cmd_ = "/path/to/non-existent/command";
   }
 
-  virtual void SetUp() {
+  void SetUp() override {
     CHECK(utils::MakeTempDirectory("UpdateAttempterTest-XXXXXX", &test_dir_));
 
     EXPECT_EQ(nullptr, attempter_.dbus_service_);
@@ -140,7 +140,7 @@
         .WillRepeatedly(ReturnPointee(&actual_using_p2p_for_sharing_));
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     test_utils::RecursiveUnlinkDir(test_dir_);
   }