diff --git a/clickhousewriter/pom.xml b/clickhousewriter/pom.xml
index 41b956f4..76c5fb1f 100644
--- a/clickhousewriter/pom.xml
+++ b/clickhousewriter/pom.xml
@@ -29,12 +29,6 @@
             <artifactId>datax-common</artifactId>
             <version>${datax-project-version}</version>
         </dependency>
-        <dependency>
-            <groupId>com.alibaba.datax</groupId>
-            <artifactId>simulator</artifactId>
-            <version>${datax-project-version}</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
diff --git a/clickhousewriter/src/main/java/com/alibaba/datax/plugin/writer/clickhousewriter/ClickhouseWriter.java b/clickhousewriter/src/main/java/com/alibaba/datax/plugin/writer/clickhousewriter/ClickhouseWriter.java
index 6b2de4a3..b928d421 100644
--- a/clickhousewriter/src/main/java/com/alibaba/datax/plugin/writer/clickhousewriter/ClickhouseWriter.java
+++ b/clickhousewriter/src/main/java/com/alibaba/datax/plugin/writer/clickhousewriter/ClickhouseWriter.java
@@ -12,7 +12,6 @@ import com.alibaba.datax.plugin.rdbms.util.DataBaseType;
 import com.alibaba.datax.plugin.rdbms.writer.CommonRdbmsWriter;
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONArray;
-import ru.yandex.clickhouse.ClickHouseTuple;
 
 import java.sql.Array;
 import java.sql.Connection;