diff --git a/lib/java/src/org/apache/thrift/TUnion.java b/lib/java/src/org/apache/thrift/TUnion.java
index 0173f9b..3052ee1 100644
--- a/lib/java/src/org/apache/thrift/TUnion.java
+++ b/lib/java/src/org/apache/thrift/TUnion.java
@@ -17,15 +17,14 @@
  */
 package org.apache.thrift;
 
+import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
-import java.nio.ByteBuffer;
 
-import org.apache.thrift.TUnion.TUnionStandardScheme;
 import org.apache.thrift.protocol.TField;
 import org.apache.thrift.protocol.TProtocol;
 import org.apache.thrift.protocol.TProtocolException;
@@ -211,7 +210,7 @@
     }
   }
   
-  public static class TUnionStandardScheme extends StandardScheme<TUnion> {
+  private static class TUnionStandardScheme extends StandardScheme<TUnion> {
 
     @Override
     public void read(TProtocol iprot, TUnion struct) throws TException {
@@ -250,12 +249,12 @@
   }
   
   private static class TUnionTupleSchemeFactory implements SchemeFactory {
-    public TUnionStandardScheme getScheme() {
-      return new TUnionStandardScheme();
+    public TUnionTupleScheme getScheme() {
+      return new TUnionTupleScheme();
     }
   }
   
-  public static class TUnionTupleScheme extends TupleScheme<TUnion> {
+  private static class TUnionTupleScheme extends TupleScheme<TUnion> {
 
     @Override
     public void read(TProtocol iprot, TUnion struct) throws TException {