diff --git a/src/main/java/com/alibaba/excel/util/StringUtils.java b/src/main/java/com/alibaba/excel/util/StringUtils.java
index 3a4d7d4a..3f0c7912 100644
--- a/src/main/java/com/alibaba/excel/util/StringUtils.java
+++ b/src/main/java/com/alibaba/excel/util/StringUtils.java
@@ -1,21 +1,6 @@
 package com.alibaba.excel.util;
 
-/*
- * 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.
- */
+
 public class StringUtils {
     private StringUtils() {}