diff -r ee8a922f4268 -r d0f57d3ea898 emul/compact/src/main/java/java/util/ArrayDeque.java
--- a/emul/compact/src/main/java/java/util/ArrayDeque.java	Mon Jan 28 13:28:02 2013 +0100
+++ b/emul/compact/src/main/java/java/util/ArrayDeque.java	Mon Jan 28 13:52:28 2013 +0100
@@ -34,6 +34,7 @@
 
 package java.util;
 import java.io.*;
+import org.apidesign.bck2brwsr.emul.lang.System;
 
 /**
  * Resizable-array implementation of the {@link Deque} interface.  Array
@@ -827,40 +828,4 @@
      */
     private static final long serialVersionUID = 2340985798034038923L;
 
-    /**
-     * Serialize this deque.
-     *
-     * @serialData The current size (<tt>int</tt>) of the deque,
-     * followed by all of its elements (each an object reference) in
-     * first-to-last order.
-     */
-    private void writeObject(ObjectOutputStream s) throws IOException {
-        s.defaultWriteObject();
-
-        // Write out size
-        s.writeInt(size());
-
-        // Write out elements in order.
-        int mask = elements.length - 1;
-        for (int i = head; i != tail; i = (i + 1) & mask)
-            s.writeObject(elements[i]);
-    }
-
-    /**
-     * Deserialize this deque.
-     */
-    private void readObject(ObjectInputStream s)
-            throws IOException, ClassNotFoundException {
-        s.defaultReadObject();
-
-        // Read in size and allocate array
-        int size = s.readInt();
-        allocateElements(size);
-        head = 0;
-        tail = size;
-
-        // Read in all elements in the proper order.
-        for (int i = 0; i < size; i++)
-            elements[i] = (E)s.readObject();
-    }
 }