diff --git a/pom.xml b/pom.xml
index f9fa661..1744ee3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -115,21 +115,6 @@
         <type>pom</type>
         <scope>import</scope>
       </dependency>
-
-
-      <!-- https://mvnrepository.com/artifact/com.aliyun/iot20180120 -->
-      <dependency>
-        <groupId>com.aliyun</groupId>
-        <artifactId>iot20180120</artifactId>
-        <version>3.0.15</version>
-      </dependency>
-
-      <dependency>
-        <groupId>com.aliyun</groupId>
-        <artifactId>tea-openapi</artifactId>
-        <version>0.2.8</version>
-      </dependency>
-
     </dependencies>
   </dependencyManagement>