diff --git a/common/src/main/java/org/apache/rocketmq/common/sysflag/TopicSysFlag.java b/common/src/main/java/org/apache/rocketmq/common/sysflag/TopicSysFlag.java
index cc23ff1a3f..a2bb508405 100644
--- a/common/src/main/java/org/apache/rocketmq/common/sysflag/TopicSysFlag.java
+++ b/common/src/main/java/org/apache/rocketmq/common/sysflag/TopicSysFlag.java
@@ -59,7 +59,4 @@ public class TopicSysFlag {
     public static boolean hasUnitSubFlag(final int sysFlag) {
         return (sysFlag & FLAG_UNIT_SUB) == FLAG_UNIT_SUB;
     }
-
-    public static void main(String[] args) {
-    }
 }