diff --git a/x-pack/plugin/security/src/test/java/org/elasticsearch/xpack/security/authc/support/BCryptTests.java b/x-pack/plugin/security/src/test/java/org/elasticsearch/xpack/security/authc/support/BCryptTests.java
deleted file mode 100644
index 40c4a8ed81646..0000000000000
--- a/x-pack/plugin/security/src/test/java/org/elasticsearch/xpack/security/authc/support/BCryptTests.java
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License;
- * you may not use this file except in compliance with the Elastic License.
- */
-package org.elasticsearch.xpack.security.authc.support;
-
-import org.elasticsearch.common.settings.SecureString;
-import org.elasticsearch.test.ESTestCase;
-import org.elasticsearch.xpack.core.security.authc.support.BCrypt;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.concurrent.Callable;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.Future;
-import java.util.concurrent.atomic.AtomicBoolean;
-
-import static org.hamcrest.Matchers.is;
-
-/**
- * Tests for the Bcrypt implementation specifically around modifications we have made
- */
-public class BCryptTests extends ESTestCase {
-    /*
-     * This test checks that the BCrypt implementation can verify passwords correctly when being invoked from multiple
-     * threads all the time. This attempts to simulate authentication of many clients at once (without a cache).
-     *
-     * This test can be used to reproduce the issue in https://github.com/elastic/x-plugins/issues/589, but it is not
-     * 100% reliable unless memory parameters are changed such as lowering the heap size to something really small like
-     * 16M and the test is really slow since the issue depends on garbage collection and object finalization.
-     */
-    @AwaitsFix(bugUrl = "need a better way to test this")
-    public void testUnderLoad() throws Exception {
-        final String password = randomAlphaOfLengthBetween(10, 32);
-        final String bcrypt = BCrypt.hashpw(new SecureString(password), BCrypt.gensalt());
-
-        ExecutorService threadPoolExecutor = Executors.newFixedThreadPool(100);
-        try {
-            List<Callable<Boolean>> callables = new ArrayList<>(100);
-
-            final AtomicBoolean failed = new AtomicBoolean(false);
-            for (int i = 0; i < 100; i++) {
-                callables.add(new Callable<Boolean>() {
-                    @Override
-                    public Boolean call() throws Exception {
-                        for (int i = 0; i < 10000 && !failed.get(); i++) {
-                            if (BCrypt.checkpw(new SecureString(password), bcrypt) == false) {
-                                failed.set(true);
-                                return false;
-                            }
-                        }
-                        return true;
-                    }
-                });
-            }
-
-            List<Future<Boolean>> futures = threadPoolExecutor.invokeAll(callables);
-            for (Future<Boolean> future : futures) {
-                assertThat(future.get(), is(true));
-            }
-        } finally {
-            threadPoolExecutor.shutdownNow();
-        }
-
-    }
-}