--- a/jdk/src/share/classes/java/time/chrono/ThaiBuddhistEra.java	Fri Sep 06 14:18:06 2013 -0700
+++ b/jdk/src/share/classes/java/time/chrono/ThaiBuddhistEra.java	Wed Sep 11 10:16:21 2013 -0400
@@ -61,9 +61,6 @@
  */
 package java.time.chrono;
 
-import java.io.DataInput;
-import java.io.DataOutput;
-import java.io.IOException;
 import java.time.DateTimeException;
 
 /**
@@ -155,18 +152,4 @@
         return ordinal();
     }
 
-    //-----------------------------------------------------------------------
-    private Object writeReplace() {
-        return new Ser(Ser.THAIBUDDHIST_ERA_TYPE, this);
-    }
-
-    void writeExternal(DataOutput out) throws IOException {
-        out.writeByte(this.getValue());
-    }
-
-    static ThaiBuddhistEra readExternal(DataInput in) throws IOException {
-        byte eraValue = in.readByte();
-        return ThaiBuddhistEra.of(eraValue);
-    }
-
 }