diff -r 41fb91c70d47 -r 1cf29847eb6e src/share/classes/com/sun/tools/javac/util/JCDiagnostic.java
--- a/src/share/classes/com/sun/tools/javac/util/JCDiagnostic.java	Fri Jul 11 14:59:48 2008 -0700
+++ b/src/share/classes/com/sun/tools/javac/util/JCDiagnostic.java	Tue Jul 15 09:50:36 2008 -0700
@@ -175,18 +175,6 @@
     }
 
     /**
-     * A simple abstraction of a source file, as needed for use in a diagnostic message.
-     */
-    // Note: This class may be superceded by a more general abstraction
-    public interface DiagnosticSource {
-        JavaFileObject getFile();
-        CharSequence getName();
-        int getLineNumber(int pos);
-        int getColumnNumber(int pos);
-        Map<JCTree, Integer> getEndPosTable();
-    };
-
-    /**
      * A DiagnosticType defines the type of the diagnostic.
      **/
     public enum DiagnosticType {