diff --git a/samples/skywalking-example/example-dubbox-rest/target/classes/consumer/dubbox-rest-consumer.xml b/samples/skywalking-example/example-dubbox-rest/target/classes/consumer/dubbox-rest-consumer.xml
deleted file mode 100644
index f332e7d3943e9a71bc0cad7bd0c31bc3bb088e14..0000000000000000000000000000000000000000
--- a/samples/skywalking-example/example-dubbox-rest/target/classes/consumer/dubbox-rest-consumer.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<beans xmlns="http://www.springframework.org/schema/beans"
-       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-       xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
-       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
-	http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
-
-    <dubbo:application name="skywalking-consumer"/>
-    <dubbo:registry address="zookeeper://127.0.0.1:2181"/>
-    <dubbo:reference id="dubboxRestInterA"
-                     interface="com.ai.cloud.skywalking.sample.dubboxrest.interfaces.IDubboxRestInterA"
-                     url="rest://127.0.0.1:20880"/>
-
-</beans>
diff --git a/samples/skywalking-example/example-dubbox-rest/target/classes/db/sql/create-db.sql b/samples/skywalking-example/example-dubbox-rest/target/classes/db/sql/create-db.sql
deleted file mode 100644
index 85b97bf651e1b771e512d84d7117e375f68caead..0000000000000000000000000000000000000000
--- a/samples/skywalking-example/example-dubbox-rest/target/classes/db/sql/create-db.sql
+++ /dev/null
@@ -1,5 +0,0 @@
-CREATE TABLE PUBLIC.sampletable1
-(
-  key1   VARCHAR2(36) PRIMARY KEY,
-  value1 VARCHAR2(36) NOT NULL
-);
diff --git a/samples/skywalking-example/example-dubbox-rest/target/classes/log4j.properties b/samples/skywalking-example/example-dubbox-rest/target/classes/log4j.properties
deleted file mode 100644
index 3d6f4a1c18bd37f4ed184da631f4689d9263b4dd..0000000000000000000000000000000000000000
--- a/samples/skywalking-example/example-dubbox-rest/target/classes/log4j.properties
+++ /dev/null
@@ -1,8 +0,0 @@
-#\u53ca\u65e5\u5fd7\u8f93\u51fa\u7ea7\u522b\uff0c\u5927\u4e8e\u7b49\u4e8e\u8be5\u7ea7\u522b\u7684\u65e5\u5fd7\u5c06\u88ab\u8f93\u51fa\uff08 DEBUG < INFO < WARN < ERROR < FATAL \uff09 \u8bbe\u4e3aOFF\u53ef\u4ee5\u5173\u95ed\u65e5\u5fd7
-log4j.rootLogger=info, stdout
-
-log4j.appender.stdout=org.apache.log4j.ConsoleAppender 
-log4j.appender.stdout.layout=org.apache.log4j.PatternLayout 
-log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %p %l %m%n
-
-log4j.logger.com.hshbic.cloud.openapi.develop2=INFO 
\ No newline at end of file
diff --git a/samples/skywalking-example/example-dubbox-rest/target/classes/log4j2.xml b/samples/skywalking-example/example-dubbox-rest/target/classes/log4j2.xml
deleted file mode 100644
index 4e2af7485ab84c52a49dd7a350ce08515279fbc1..0000000000000000000000000000000000000000
--- a/samples/skywalking-example/example-dubbox-rest/target/classes/log4j2.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Configuration status="error">
-	<Appenders>
-		<Console name="Console" target="SYSTEM_OUT">
-			<PatternLayout pattern="%d [%t](%F:%L) %-5level %logger{36} - %msg%n" />
-		</Console>
-		<Console name="Console2" target="SYSTEM_OUT">
-			<PatternLayout pattern="%d [%t](%F:%L) %-5level %logger{36} - %msg%n" />
-		</Console>
-	</Appenders>
-	<Loggers>
-		<Root level="debug">
-			<AppenderRef ref="Console" />
-		</Root>
-	</Loggers>
-</Configuration>
\ No newline at end of file
diff --git a/samples/skywalking-example/example-dubbox-rest/target/classes/provider/dubbox-rest-provider.xml b/samples/skywalking-example/example-dubbox-rest/target/classes/provider/dubbox-rest-provider.xml
deleted file mode 100644
index a7647d02e64aab1f4aef8fde1d7b9f42323022c1..0000000000000000000000000000000000000000
--- a/samples/skywalking-example/example-dubbox-rest/target/classes/provider/dubbox-rest-provider.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<beans xmlns="http://www.springframework.org/schema/beans"
-       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-       xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
-       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
-	http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
-
-    <dubbo:application name="skywalking-dubbo-rest-provider"/>
-    <dubbo:registry address="zookeeper://127.0.0.1:2181"/>
-    <dubbo:protocol name="rest" port="20880" server="tomcat"/>
-    <bean id="dubboxRestInterA" class="com.ai.cloud.skywalking.sample.dubboxrest.impl.DubboxRestInterAImpl"/>
-    <dubbo:service interface="com.ai.cloud.skywalking.sample.dubboxrest.interfaces.IDubboxRestInterA"
-                   ref="dubboxRestInterA"/>
-
-</beans>
diff --git a/samples/skywalking-example/example-dubbox-rest/target/classes/spring-context.xml b/samples/skywalking-example/example-dubbox-rest/target/classes/spring-context.xml
deleted file mode 100644
index a7c7c7173712daa230b1b9254c26fef719528975..0000000000000000000000000000000000000000
--- a/samples/skywalking-example/example-dubbox-rest/target/classes/spring-context.xml
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<beans xmlns="http://www.springframework.org/schema/beans"
-       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-       xmlns:context="http://www.springframework.org/schema/context" xmlns:jdbc="http://www.springframework.org/schema/jdbc"
-       xsi:schemaLocation="http://www.springframework.org/schema/beans
-                        http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
-                        http://www.springframework.org/schema/context
-                        http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc.xsd">
-    <!-- 自动扫描 -->
-    <context:component-scan base-package="com.ai.cloud.skywalking.sample"/>
-
-    <jdbc:embedded-database id="dataSource" type="H2">
-        <jdbc:script location="classpath:db/sql/create-db.sql" />
-    </jdbc:embedded-database>
-
-    <import resource="classpath*:provider/dubbox-rest-provider.xml"/>
-</beans>