diff --git a/dolphinscheduler-alert/pom.xml b/dolphinscheduler-alert/pom.xml
index 188bfa3d9e..d63e3808b4 100644
--- a/dolphinscheduler-alert/pom.xml
+++ b/dolphinscheduler-alert/pom.xml
@@ -66,11 +66,6 @@
             <artifactId>commons-email</artifactId>
         </dependency>
 
-        <dependency>
-            <groupId>com.alibaba</groupId>
-            <artifactId>fastjson</artifactId>
-        </dependency>
-
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-core</artifactId>
diff --git a/dolphinscheduler-api/pom.xml b/dolphinscheduler-api/pom.xml
index b7c3f3da69..16f611fd66 100644
--- a/dolphinscheduler-api/pom.xml
+++ b/dolphinscheduler-api/pom.xml
@@ -86,11 +86,6 @@
       <artifactId>spring-context</artifactId>
     </dependency>
 
-    <dependency>
-      <groupId>com.alibaba</groupId>
-      <artifactId>fastjson</artifactId>
-    </dependency>
-
     <dependency>
       <groupId>commons-collections</groupId>
       <artifactId>commons-collections</artifactId>
diff --git a/dolphinscheduler-common/pom.xml b/dolphinscheduler-common/pom.xml
index 4d4ccede26..28acb21fd5 100644
--- a/dolphinscheduler-common/pom.xml
+++ b/dolphinscheduler-common/pom.xml
@@ -36,11 +36,7 @@
 			<groupId>org.apache.dolphinscheduler</groupId>
 			<artifactId>dolphinscheduler-plugin-api</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>com.alibaba</groupId>
-			<artifactId>fastjson</artifactId>
-			<scope>compile</scope>
-		</dependency>
+
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpclient</artifactId>
diff --git a/dolphinscheduler-dao/pom.xml b/dolphinscheduler-dao/pom.xml
index 3aea888f94..b7fc8725e9 100644
--- a/dolphinscheduler-dao/pom.xml
+++ b/dolphinscheduler-dao/pom.xml
@@ -122,12 +122,6 @@
 			<artifactId>commons-httpclient</artifactId>
 		</dependency>
 
-		<dependency>
-			<groupId>com.alibaba</groupId>
-			<artifactId>fastjson</artifactId>
-			<scope>compile</scope>
-		</dependency>
-
 		<dependency>
 			<groupId>com.cronutils</groupId>
 			<artifactId>cron-utils</artifactId>
diff --git a/dolphinscheduler-remote/pom.xml b/dolphinscheduler-remote/pom.xml
index 66994b4076..c01434c51f 100644
--- a/dolphinscheduler-remote/pom.xml
+++ b/dolphinscheduler-remote/pom.xml
@@ -43,10 +43,6 @@
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
         </dependency>
-        <dependency>
-            <groupId>com.alibaba</groupId>
-            <artifactId>fastjson</artifactId>
-        </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
diff --git a/dolphinscheduler-server/src/test/java/org/apache/dolphinscheduler/server/worker/task/datax/DataxTaskTest.java b/dolphinscheduler-server/src/test/java/org/apache/dolphinscheduler/server/worker/task/datax/DataxTaskTest.java
index 250b2a2b0a..5a9ff568ae 100644
--- a/dolphinscheduler-server/src/test/java/org/apache/dolphinscheduler/server/worker/task/datax/DataxTaskTest.java
+++ b/dolphinscheduler-server/src/test/java/org/apache/dolphinscheduler/server/worker/task/datax/DataxTaskTest.java
@@ -23,7 +23,6 @@ import java.util.Date;
 import java.util.List;
 import java.util.UUID;
 
-import com.alibaba.fastjson.JSON;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import org.apache.dolphinscheduler.common.enums.CommandType;
diff --git a/pom.xml b/pom.xml
index 861fde840b..f7c3d65671 100644
--- a/pom.xml
+++ b/pom.xml
@@ -69,7 +69,6 @@
         <mybatis-plus.version>3.2.0</mybatis-plus.version>
         <mybatis.spring.version>2.0.1</mybatis.spring.version>
         <cron.utils.version>5.0.5</cron.utils.version>
-        <fastjson.version>1.2.61</fastjson.version>
         <druid.version>1.1.14</druid.version>
         <h2.version>1.4.200</h2.version>
         <commons.codec.version>1.6</commons.codec.version>
@@ -150,11 +149,6 @@
                 <version>${cron.utils.version}</version>
             </dependency>
 
-            <dependency>
-                <groupId>com.alibaba</groupId>
-                <artifactId>fastjson</artifactId>
-                <version>${fastjson.version}</version>
-            </dependency>
             <dependency>
                 <groupId>com.alibaba</groupId>
                 <artifactId>druid</artifactId>