diff --git a/remoting/src/main/java/hudson/remoting/ProxyOutputStream.java b/remoting/src/main/java/hudson/remoting/ProxyOutputStream.java
index 37b06c2ca1dbb4c739aa90c337092cbb9da1234c..70b31b346c0727026aa6d1c29c85ee9534ea2173 100644
--- a/remoting/src/main/java/hudson/remoting/ProxyOutputStream.java
+++ b/remoting/src/main/java/hudson/remoting/ProxyOutputStream.java
@@ -203,7 +203,7 @@ final class ProxyOutputStream extends OutputStream {
      * Unlike {@link EOF}, this just unexports but not closes the stream.
      */
     private static class Unexport extends Command {
-        protected final int oid;
+        private final int oid;
 
         public Unexport(int oid) {
             this.oid = oid;
@@ -223,11 +223,14 @@ final class ProxyOutputStream extends OutputStream {
     /**
      * {@link Command} for sending EOF.
      */
-    private static final class EOF extends Unexport {
+    private static final class EOF extends Command {
+        private final int oid;
+
         public EOF(int oid) {
-            super(oid);
+            this.oid = oid;
         }
 
+
         protected void execute(Channel channel) {
             OutputStream os = (OutputStream) channel.getExportedObject(oid);
             channel.unexport(oid);