--- a/jdk/src/share/classes/java/net/AbstractPlainDatagramSocketImpl.java	Thu Sep 15 14:10:30 2011 +0100
+++ b/jdk/src/share/classes/java/net/AbstractPlainDatagramSocketImpl.java	Fri Sep 16 12:09:04 2011 -0700
@@ -26,8 +26,6 @@
 
 import java.io.FileDescriptor;
 import java.io.IOException;
-import java.io.InterruptedIOException;
-import java.util.Enumeration;
 import sun.net.ResourceManager;
 
 /**
@@ -153,11 +151,13 @@
      * Set the TTL (time-to-live) option.
      * @param TTL to be set.
      */
+    @Deprecated
     protected abstract void setTTL(byte ttl) throws IOException;
 
     /**
      * Get the TTL (time-to-live) option.
      */
+    @Deprecated
     protected abstract byte getTTL() throws IOException;
 
     /**