diff --git a/remoting/src/main/java/org/apache/rocketmq/remoting/protocol/RequestCode.java b/remoting/src/main/java/org/apache/rocketmq/remoting/protocol/RequestCode.java
index 1e10c96f428..cfc5cc22785 100644
--- a/remoting/src/main/java/org/apache/rocketmq/remoting/protocol/RequestCode.java
+++ b/remoting/src/main/java/org/apache/rocketmq/remoting/protocol/RequestCode.java
@@ -88,13 +88,13 @@ public class RequestCode {
 
     public static final int GET_TIMER_METRICS = 61;
 
-    public static final short POP_MESSAGE = 3442;
-    public static final short ACK_MESSAGE = 3443;
-    public static final short BATCH_ACK_MESSAGE = 3543;
-    public static final short PEEK_MESSAGE = 3444;
-    public static final short CHANGE_MESSAGE_INVISIBLETIME = 3445;
-    public static final short NOTIFICATION = 3446;
-    public static final short POLLING_INFO = 3447;
+    public static final int POP_MESSAGE = 200050;
+    public static final int ACK_MESSAGE = 200051;
+    public static final int BATCH_ACK_MESSAGE = 200151;
+    public static final int PEEK_MESSAGE = 200052;
+    public static final int CHANGE_MESSAGE_INVISIBLETIME = 200053;
+    public static final int NOTIFICATION = 200054;
+    public static final int POLLING_INFO = 200055;
 
     public static final int PUT_KV_CONFIG = 100;
 
diff --git a/remoting/src/test/java/org/apache/rocketmq/remoting/protocol/RocketMQSerializableTest.java b/remoting/src/test/java/org/apache/rocketmq/remoting/protocol/RocketMQSerializableTest.java
index c7533bd0b76..7cf32d70c34 100644
--- a/remoting/src/test/java/org/apache/rocketmq/remoting/protocol/RocketMQSerializableTest.java
+++ b/remoting/src/test/java/org/apache/rocketmq/remoting/protocol/RocketMQSerializableTest.java
@@ -214,41 +214,4 @@ public void testFastEncode() throws Exception {
         assertThat(h2.getStr()).isEqualTo("s1");
         assertThat(h2.getNum()).isEqualTo(100);
     }
-
-    @Test
-    public void testRequestCodeEncode() throws Exception {
-        testRequestCodeEncode(RequestCode.POP_MESSAGE);
-        testRequestCodeEncode(RequestCode.ACK_MESSAGE);
-        testRequestCodeEncode(RequestCode.BATCH_ACK_MESSAGE);
-        testRequestCodeEncode(RequestCode.PEEK_MESSAGE);
-        testRequestCodeEncode(RequestCode.CHANGE_MESSAGE_INVISIBLETIME);
-        testRequestCodeEncode(RequestCode.NOTIFICATION);
-        testRequestCodeEncode(RequestCode.POLLING_INFO);
-    }
-
-    public void testRequestCodeEncode(int code) throws Exception {
-        ByteBuf buf = ByteBufAllocator.DEFAULT.buffer(16);
-        MyHeader1 header1 = new MyHeader1();
-        header1.setStr("s1");
-        header1.setNum(100);
-        RemotingCommand cmd = RemotingCommand.createRequestCommand(code, header1);
-        cmd.setRemark("remark");
-        cmd.setOpaque(1001);
-        cmd.setVersion(99);
-        cmd.setLanguage(LanguageCode.JAVA);
-        cmd.setFlag(3);
-        cmd.makeCustomHeaderToNet();
-        RocketMQSerializable.rocketMQProtocolEncode(cmd, buf);
-        RemotingCommand cmd2 = RocketMQSerializable.rocketMQProtocolDecode(buf, buf.readableBytes());
-        assertThat(cmd2.getRemark()).isEqualTo("remark");
-        assertThat(cmd2.getCode()).isEqualTo(code);
-        assertThat(cmd2.getOpaque()).isEqualTo(1001);
-        assertThat(cmd2.getVersion()).isEqualTo(99);
-        assertThat(cmd2.getLanguage()).isEqualTo(LanguageCode.JAVA);
-        assertThat(cmd2.getFlag()).isEqualTo(3);
-
-        MyHeader1 h2 = (MyHeader1) cmd2.decodeCommandCustomHeader(MyHeader1.class);
-        assertThat(h2.getStr()).isEqualTo("s1");
-        assertThat(h2.getNum()).isEqualTo(100);
-    }
 }