diff --git a/lib/addax-rdbms/src/main/java/com/wgzhao/addax/rdbms/util/RdbmsRangeSplitWrap.java b/lib/addax-rdbms/src/main/java/com/wgzhao/addax/rdbms/util/RdbmsRangeSplitWrap.java
deleted file mode 100644
index cc219b3af..000000000
--- a/lib/addax-rdbms/src/main/java/com/wgzhao/addax/rdbms/util/RdbmsRangeSplitWrap.java
+++ /dev/null
@@ -1,35 +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 com.wgzhao.addax.rdbms.util;
-
-import com.wgzhao.addax.common.util.RangeSplitUtil;
-import org.apache.commons.lang3.StringUtils;
-
-import java.math.BigInteger;
-import java.util.ArrayList;
-import java.util.List;
-
-public final class RdbmsRangeSplitWrap
-{
-
-    private  RdbmsRangeSplitWrap() {}
-}