diff --git a/src/java.base/share/classes/jdk/internal/loader/Resource.java b/src/java.base/share/classes/jdk/internal/loader/Resource.java
index b72f4df7d52..312dfc859aa 100644
--- a/src/java.base/share/classes/jdk/internal/loader/Resource.java
+++ b/src/java.base/share/classes/jdk/internal/loader/Resource.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2024, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2025, 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
@@ -33,7 +33,6 @@ import java.security.CodeSigner;
 import java.util.jar.Manifest;
 import java.nio.ByteBuffer;
 import java.util.Arrays;
-import sun.nio.ByteBuffered;
 
 /**
  * This class is used to represent a Resource that has been loaded
@@ -130,10 +129,6 @@ public abstract class Resource {
      * @return Resource data or null.
      */
     public ByteBuffer getByteBuffer() throws IOException {
-        InputStream in = cachedInputStream();
-        if (in instanceof ByteBuffered) {
-            return ((ByteBuffered)in).getByteBuffer();
-        }
         return null;
     }
 
diff --git a/src/java.base/share/classes/sun/nio/ByteBuffered.java b/src/java.base/share/classes/sun/nio/ByteBuffered.java
deleted file mode 100644
index a547cefeb89..00000000000
--- a/src/java.base/share/classes/sun/nio/ByteBuffered.java
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright (c) 2003, 2020, 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
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package sun.nio;
-
-import java.nio.ByteBuffer;
-import java.io.IOException;
-
-/**
- * This is an interface to adapt existing APIs to use {@link java.nio.ByteBuffer
- * ByteBuffers} as the underlying data format.  Only the initial producer and
- * final consumer have to be changed.
- *
- * <p>
- * For example, the Zip/Jar code supports {@link java.io.InputStream InputStreams}.
- * To make the Zip code use {@link java.nio.MappedByteBuffer MappedByteBuffers} as
- * the underlying data structure, it can create a class of InputStream that wraps
- * the ByteBuffer, and implements the ByteBuffered interface. A co-operating class
- * several layers away can ask the InputStream if it is an instance of ByteBuffered,
- * then call the {@link #getByteBuffer()} method.
- */
-public interface ByteBuffered {
-
-    /**
-     * Returns the {@code ByteBuffer} behind this object, if this particular
-     * instance has one. An implementation of {@code getByteBuffer()} is allowed
-     * to return {@code null} for any reason.
-     *
-     * @return  The {@code ByteBuffer}, if this particular instance has one,
-     *          or {@code null} otherwise.
-     *
-     * @throws  IOException
-     *          If the ByteBuffer is no longer valid.
-     *
-     * @since  1.5
-     */
-    public ByteBuffer getByteBuffer() throws IOException;
-}
diff --git a/test/micro/org/openjdk/bench/jdk/internal/jrtfs/ImageReaderBenchmark.java b/test/micro/org/openjdk/bench/jdk/internal/jrtfs/ImageReaderBenchmark.java
index 4f97e12171f..1b89b510fae 100644
--- a/test/micro/org/openjdk/bench/jdk/internal/jrtfs/ImageReaderBenchmark.java
+++ b/test/micro/org/openjdk/bench/jdk/internal/jrtfs/ImageReaderBenchmark.java
@@ -1062,7 +1062,6 @@ public class ImageReaderBenchmark {
             "/modules/java.base/jdk/internal/loader/URLClassPath$FileLoader.class",
             "/modules/java.base/jdk/internal/loader/Resource.class",
             "/modules/java.base/java/io/FileCleanable.class",
-            "/modules/java.base/sun/nio/ByteBuffered.class",
             "/modules/java.base/java/security/SecureClassLoader$CodeSourceKey.class",
             "/modules/java.base/java/security/PermissionCollection.class",
             "/modules/java.base/java/security/Permissions.class",