diff --git a/src/main/java/org/apache/ibatis/util/MapUtil.java b/src/main/java/org/apache/ibatis/util/MapUtil.java
deleted file mode 100644
index 6ac26fa744a..00000000000
--- a/src/main/java/org/apache/ibatis/util/MapUtil.java
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- *    Copyright 2009-2023 the original author or authors.
- *
- *    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
- *
- *       https://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.ibatis.util;
-
-import java.util.AbstractMap;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.function.Function;
-
-public class MapUtil {
-  /**
-   * A temporary workaround for Java 8 specific performance issue JDK-8161372 .<br>
-   * This class should be removed once we drop Java 8 support.
-   *
-   * @see <a href=
-   *      "https://bugs.openjdk.java.net/browse/JDK-8161372">https://bugs.openjdk.java.net/browse/JDK-8161372</a>
-   */
-  public static <K, V> V computeIfAbsent(Map<K, V> map, K key, Function<K, V> mappingFunction) {
-    V value = map.get(key);
-    if (value != null) {
-      return value;
-    }
-    return map.computeIfAbsent(key, mappingFunction);
-  }
-
-  /**
-   * Map.entry(key, value) alternative for Java 8.
-   */
-  public static <K, V> Entry<K, V> entry(K key, V value) {
-    return new AbstractMap.SimpleImmutableEntry<>(key, value);
-  }
-
-  private MapUtil() {
-  }
-}