diff --git a/js/rhino/src/org/mozilla/javascript/optimizer/OptClassNameHelper.java b/js/rhino/src/org/mozilla/javascript/optimizer/OptClassNameHelper.java
index 960a435cbaf8..53aa2553f2f4 100644
--- a/js/rhino/src/org/mozilla/javascript/optimizer/OptClassNameHelper.java
+++ b/js/rhino/src/org/mozilla/javascript/optimizer/OptClassNameHelper.java
@@ -39,8 +39,6 @@
 package org.mozilla.javascript.optimizer;
 
 import org.mozilla.javascript.*;
-import java.io.*;
-import java.util.Hashtable;
 
 public class OptClassNameHelper extends ClassNameHelper {
 
@@ -67,38 +65,14 @@ public class OptClassNameHelper extends ClassNameHelper {
         return s.toString();
     }
 
-    /**
-     * Get the current target class file name.
-     * <p>
-     * If nonnull, requests to compile source will result in one or
-     * more class files being generated.
-     *
-     * @since 1.5 Release 4
-     */
     public String getTargetClassFileName() {
-        ClassRepository repository = getClassRepository();
-        if (repository instanceof FileClassRepository) {
-            return ((FileClassRepository)repository).
-                getTargetClassFileName(getClassName());
-        }
-        return null;
+		throw new IllegalArgumentException(
+			"The method depends on removed deprecated future.");
     }
 
-    /**
-     * Set the current target class file name.
-     * <p>
-     * If nonnull, requests to compile source will result in one or
-     * more class files being generated. If null, classes will only
-     * be generated in memory.
-     *
-     * @since 1.5 Release 4
-     */
     public void setTargetClassFileName(String classFileName) {
-        if (classFileName != null) {
-            setClassRepository(new FileClassRepository(this, classFileName));
-        } else {
-            setClassName(null);
-        }
+		throw new IllegalArgumentException(
+			"The method depends on removed deprecated future.");
     }
 
     public String getTargetPackage() {
@@ -160,56 +134,3 @@ public class OptClassNameHelper extends ClassNameHelper {
     private ClassRepository classRepository;
 }
 
-// Implement class file saving here instead of inside codegen.
-class FileClassRepository implements ClassRepository
-{
-    FileClassRepository(OptClassNameHelper nameHelper, String classFileName) {
-        this.nameHelper = nameHelper;
-        int lastSeparator = classFileName.lastIndexOf(File.separatorChar);
-        String initialName;
-        if (lastSeparator == -1) {
-            generatingDirectory = null;
-            initialName = classFileName;
-        } else {
-            generatingDirectory = classFileName.substring(0, lastSeparator);
-            initialName = classFileName.substring(lastSeparator+1);
-        }
-        if (initialName.endsWith(".class"))
-            initialName = initialName.substring(0, initialName.length()-6);
-        nameHelper.setClassName(initialName);
-    }
-
-    public boolean storeClass(String className, byte[] bytes, boolean tl)
-        throws IOException
-    {
-        // no "elegant" way of getting file name from fully
-        // qualified class name.
-        String targetPackage = nameHelper.getTargetPackage();
-        if ((targetPackage != null) && (targetPackage.length()>0) &&
-            className.startsWith(targetPackage+"."))
-        {
-            className = className.substring(targetPackage.length()+1);
-        }
-
-        FileOutputStream out = new FileOutputStream(getTargetClassFileName(className));
-        out.write(bytes);
-        out.close();
-
-        return false;
-    }
-
-    String getTargetClassFileName(String className) {
-        StringBuffer sb = new StringBuffer();
-        if (generatingDirectory != null) {
-            sb.append(generatingDirectory);
-            sb.append(File.separator);
-        }
-        sb.append(className);
-        sb.append(".class");
-        return sb.toString();
-    }
-
-    OptClassNameHelper nameHelper;
-    String generatingDirectory;
-}
-