diff --git a/OAT.xml b/OAT.xml
deleted file mode 100644
index 28fd13a679b13f1e126960eb24148bb940cd2e9c..0000000000000000000000000000000000000000
--- a/OAT.xml
+++ /dev/null
@@ -1,72 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- Copyright (c) 2021 Huawei Device Co., Ltd.
-
-     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
-
-          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.
-     
-     Notes:
-     This is project config file for OpenHarmony OSS Audit Tool, if you have any questions or concerns, please email chenyaxun.
--->
-<!-- OAT(OSS Audit Tool) configuration guide:
-basedir: Root dir, the basedir + project path is the real source file location.
-licensefile: 
-1.If the project don't have "LICENSE" in root dir, please define all the license files in this project in , OAT will check license files according to this rule.
-
-tasklist(only for batch mode):
-1. task: Define oat check thread, each task will start a new thread.
-2. task name: Only an name, no practical effect.
-3. task policy: Default policy for projects under this task, this field is required and the specified policy must defined in policylist.
-4. task filter: Default filefilter for projects under this task, this field is required and the specified filefilter must defined in filefilterlist.
-5. task project: Projects to be checked, the path field define the source root dir of the project.
-
-
-policyList:
-1. policy: All policyitems will be merged to default OAT.xml rules, the name of policy doesn't affect OAT check process.
-2. policyitem: The fields type, name, path, desc is required, and the fields rule, group, filefilter is optional,the default value is:
-<policyitem type="" name="" path="" desc="" rule="may" group="defaultGroup" filefilter="defaultPolicyFilter"/>
-3. policyitem type:
-    "compatibility" is used to check license compatibility in the specified path; 
-    "license" is used to check source license header in the specified path;
-    "copyright" is used to check source copyright header in the specified path;
-    "import" is used to check source dependency in the specified path, such as import ... ,include ...
-    "filetype" is used to check file type in the specified path, supported file types: archive, binary
-    "filename" is used to check whether the specified file exists in the specified path(support projectroot in default OAT.xml), supported file names: LICENSE, README, README.OpenSource
-
-4. policyitem name: This field is used for define the license, copyright, "*" means match all, the "!" prefix means could not match this value. For example, "!GPL" means can not use GPL license. 
-5. policyitem path: This field is used for define the source file scope to apply this policyitem, the "!" prefix means exclude the files. For example, "!.*/lib/.*" means files in lib dir will be exclude while process this policyitem.
-6. policyitem rule and group: These two fields are used together to merge policy results. "may" policyitems in the same group means any one in this group passed, the result will be passed.
-7. policyitem filefilter: Used to bind filefilter which define filter rules.
-8. filefilter: Filter rules, the type filename is used to filter file name, the type filepath is used to filter file path.
-
-Note:If the text contains special characters, please escape them according to the following rules:
-" == &gt;
-& == &gt;
-' == &gt;
-< == &gt;
-> == &gt;
--->
-<configuration>
-	<oatconfig>
-		<licensefile>ltp/COPYING</licensefile>
-		<policylist>
-			<policy name="projectPolicy" desc="">
-				<policyitem type="compatibility" name="GPL-2.0+" path="ltp/testcases/.*" desc="Independent process running."/>
-				<policyitem type="compatibility" name="GPL-2.0+" path="ltp/include/mk/module.mk" desc="Independent process running."/>
-				<policyitem type="compatibility" name="GPL-2.0-or-later" path="ltp/.*" desc="Independent process running."/>
-				<policyitem type="compatibility" name="GPLStyleLicense" path="ltp/.*" desc="Independent process running."/>
-				<policyitem type="compatibility" name="InvalidLicense" path="ltp/.*" desc="Independent process running."/>
-				<policyitem type="compatibility" name="LGPLStyleLicense" path="ltp/.*" desc="Independent process running."/>
-				<policyitem type="compatibility" name="SPDX:GPL-2.0-or-later" path="ltp/.*" desc="Independent process running."/>
-			</policy>
-		</policylist>
-	</oatconfig>
-</configuration>
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