diff --git a/java/com/google/gerrit/testing/TempFileUtil.java b/java/com/google/gerrit/testing/TempFileUtil.java
deleted file mode 100644
index c42bd74..0000000
--- a/java/com/google/gerrit/testing/TempFileUtil.java
+++ /dev/null
@@ -1,66 +0,0 @@
-// Copyright (C) 2011 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package com.google.gerrit.testing;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-
-public class TempFileUtil {
-  private static List<File> allDirsCreated = new ArrayList<>();
-
-  public static synchronized File createTempDirectory() throws IOException {
-    File tmp = File.createTempFile("gerrit_test_", "").getCanonicalFile();
-    if (!tmp.delete() || !tmp.mkdir()) {
-      throw new IOException("Cannot create " + tmp.getPath());
-    }
-    allDirsCreated.add(tmp);
-    return tmp;
-  }
-
-  public static synchronized void cleanup() throws IOException {
-    for (File dir : allDirsCreated) {
-      recursivelyDelete(dir);
-    }
-    allDirsCreated.clear();
-  }
-
-  public static void recursivelyDelete(File dir) throws IOException {
-    if (!dir.getPath().equals(dir.getCanonicalPath())) {
-      // Directory symlink reaching outside of temporary space.
-      return;
-    }
-    File[] contents = dir.listFiles();
-    if (contents != null) {
-      for (File d : contents) {
-        if (d.isDirectory()) {
-          recursivelyDelete(d);
-        } else {
-          deleteNowOrOnExit(d);
-        }
-      }
-    }
-    deleteNowOrOnExit(dir);
-  }
-
-  private static void deleteNowOrOnExit(File dir) {
-    if (!dir.delete()) {
-      dir.deleteOnExit();
-    }
-  }
-
-  private TempFileUtil() {}
-}