diff --git a/lucene/monitor/src/test/org/apache/lucene/monitor/TestSlowLog.java b/lucene/monitor/src/test/org/apache/lucene/monitor/TestSlowLog.java
deleted file mode 100644
index fb5c0321126..00000000000
--- a/lucene/monitor/src/test/org/apache/lucene/monitor/TestSlowLog.java
+++ /dev/null
@@ -1,79 +0,0 @@
-///*
-// * Licensed to the Apache Software Foundation (ASF) under one or more
-// * contributor license agreements.  See the NOTICE file distributed with
-// * this work for additional information regarding copyright ownership.
-// * The ASF licenses this file to You 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 org.apache.lucene.monitor;
-//
-//import java.util.ArrayList;
-//import java.util.Iterator;
-//import java.util.List;
-//import org.apache.lucene.tests.util.LuceneTestCase;
-//
-//public class TestSlowLog extends LuceneTestCase {
-//
-//    public void testAddQuery() {
-//        SlowLog slowLog = new SlowLog();
-//        long time1 = 1;
-//        long time2 = 2;
-//        long time3 = 3;
-//        slowLog.addQuery("query1", time1);
-//        slowLog.addQuery("query2", time2);
-//        slowLog.addQuery("query3", time3);
-//
-//        Iterator<SlowLog.Entry> iterator = slowLog.iterator();
-//        long curQuery = 1;
-//        while (iterator.hasNext()) {
-//            SlowLog.Entry entry = iterator.next();
-//            assertEquals(entry.queryId, "query" + String.valueOf(curQuery));
-//            assertEquals(entry.time, curQuery);
-//            curQuery += 1;
-//        }
-//    }
-//
-//
-//    public void testAddAllQueries() {
-//        SlowLog slowLog = new SlowLog();
-//        long time1 = 1;
-//        long time2 = 2;
-//        long time3 = 3;
-//        List<SlowLog.Entry> queries = new ArrayList<>();
-//        queries.add(new SlowLog.Entry("query1", time1));
-//        queries.add(new SlowLog.Entry("query2", time2));
-//        queries.add(new SlowLog.Entry("query3", time3));
-//        slowLog.addAll(queries);
-//
-//        Iterator<SlowLog.Entry> iterator = slowLog.iterator();
-//        long curQuery = 1;
-//        while (iterator.hasNext()) {
-//            SlowLog.Entry entry = iterator.next();
-//            assertEquals(entry.queryId, "query" + String.valueOf(curQuery));
-//            assertEquals(entry.time, curQuery);
-//            curQuery += 1;
-//        }
-//    }
-//
-//    public void testToString() {
-//        SlowLog slowLog = new SlowLog();
-//        long time1 = 1;
-//        long time2 = 2;
-//        long time3 = 3;
-//        slowLog.addQuery("query1", time1);
-//        slowLog.addQuery("query2", time2);
-//        slowLog.addQuery("query3", time3);
-//
-//        assertEquals(slowLog.toString(), "query1 [1ns]\nquery2 [2ns]\nquery3 [3ns]\n");
-//    }
-//}
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