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diff --git a/libjava/classpath/java/util/AbstractSet.java b/libjava/classpath/java/util/AbstractSet.java
deleted file mode 100644
index af1e4d1..0000000
--- a/libjava/classpath/java/util/AbstractSet.java
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@@ -1,146 +0,0 @@
-/* AbstractSet.java -- Abstract implementation of most of Set
-   Copyright (C) 1998, 2000, 2001, 2004, 2005
-   Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath 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 for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING.  If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library.  Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module.  An independent module is a module which is not derived from
-or based on this library.  If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so.  If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package java.util;
-
-/**
- * An abstract implementation of Set to make it easier to create your own
- * implementations. In order to create a Set, subclass AbstractSet and
- * implement the same methods that are required for AbstractCollection
- * (although these methods must of course meet the requirements that Set puts
- * on them - specifically, no element may be in the set more than once). This
- * class simply provides implementations of equals() and hashCode() to fulfil
- * the requirements placed on them by the Set interface.
- *
- * @author Original author unknown
- * @author Eric Blake (ebb9@email.byu.edu)
- * @see Collection
- * @see AbstractCollection
- * @see Set
- * @see HashSet
- * @see TreeSet
- * @see LinkedHashSet
- * @since 1.2
- * @status updated to 1.4
- */
-public abstract class AbstractSet<E>
-  extends AbstractCollection<E>
-  implements Set<E>
-{
-  /**
-   * The main constructor, for use by subclasses.
-   */
-  protected AbstractSet()
-  {
-  }
-
-  /**
-   * Tests whether the given object is equal to this Set. This implementation
-   * first checks whether this set <em>is</em> the given object, and returns
-   * true if so. Otherwise, if o is a Set and is the same size as this one, it
-   * returns the result of calling containsAll on the given Set. Otherwise, it
-   * returns false.
-   *
-   * @param o the Object to be tested for equality with this Set
-   * @return true if the given object is equal to this Set
-   */
-  public boolean equals(Object o)
-  {
-    return (o == this
-            || (o instanceof Set && ((Set) o).size() == size()
-                && containsAll((Collection) o)));
-  }
-
-  /**
-   * Returns a hash code for this Set. The hash code of a Set is the sum of the
-   * hash codes of all its elements, except that the hash code of null is
-   * defined to be zero. This implementation obtains an Iterator over the Set,
-   * and sums the results.
-   *
-   * @return a hash code for this Set
-   */
-  public int hashCode()
-  {
-    Iterator<E> itr = iterator();
-    int hash = 0;
-    int pos = size();
-    while (--pos >= 0)
-      hash += hashCode(itr.next());
-    return hash;
-  }
-
-  /**
-   * Removes from this set all elements in the given collection (optional
-   * operation). This implementation uses <code>size()</code> to determine
-   * the smaller collection.  Then, if this set is smaller, it iterates
-   * over the set, calling Iterator.remove if the collection contains
-   * the element.  If this set is larger, it iterates over the collection,
-   * calling Set.remove for all elements in the collection. Note that
-   * this operation will fail if a remove methods is not supported.
-   *
-   * @param c the collection of elements to remove
-   * @return true if the set was modified as a result
-   * @throws UnsupportedOperationException if remove is not supported
-   * @throws NullPointerException if the collection is null
-   * @see AbstractCollection#remove(Object)
-   * @see Collection#contains(Object)
-   * @see Iterator#remove()
-   */
-  public boolean removeAll(Collection<?> c)
-  {
-    int oldsize = size();
-    int count = c.size();
-    if (oldsize < count)
-      {
-        Iterator<E> i;
-        for (i = iterator(), count = oldsize; count > 0; count--)
-          {
-            if (c.contains(i.next()))
-              i.remove();
-          }
-      }
-    else
-      {
-        Iterator<?> i;
-        for (i = c.iterator(); count > 0; count--)
-          remove(i.next());
-      }
-    return oldsize != size();
-  }
-}