diff --git a/update_attempter_unittest.cc b/update_attempter_unittest.cc
index 31f75b6..c2318f0 100644
--- a/update_attempter_unittest.cc
+++ b/update_attempter_unittest.cc
@@ -163,7 +163,7 @@
   }
 
   void TearDown() override {
-    test_utils::RecursiveUnlinkDir(test_dir_);
+    base::DeleteFile(base::FilePath(test_dir_), true);
   }
 
  public: