diff --git a/src/jdk.charsets/share/classes/sun/nio/cs/ext/ISO2022.java b/src/jdk.charsets/share/classes/sun/nio/cs/ext/ISO2022.java
index 041ab301d64..2f259bfa191 100644
--- a/src/jdk.charsets/share/classes/sun/nio/cs/ext/ISO2022.java
+++ b/src/jdk.charsets/share/classes/sun/nio/cs/ext/ISO2022.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -23,9 +23,6 @@
  * questions.
  */
 
-/*
- */
-
 package sun.nio.cs.ext;
 
 import java.nio.ByteBuffer;
@@ -67,8 +64,6 @@ abstract class ISO2022
         public static final byte PLANE2 = (byte)0xA2;
         public static final byte PLANE3 = (byte)0xA3;
 
-        protected final byte maximumDesignatorLength = 4;
-
         protected byte[] SODesig,
                          SS2Desig = null,
                          SS3Desig = null;