Index: /branches/release-34/lib/MT/Entry.pm
===================================================================
--- /branches/release-34/lib/MT/Entry.pm (revision 1823)
+++ /branches/release-34/lib/MT/Entry.pm (revision 1856)
@@ -64,7 +64,4 @@
             columns => [ 'blog_id', 'class', 'author_id', 'authored_on' ],
         },
-        class_author => {
-            columns => [ 'class', 'author_id', 'authored_on' ],
-        },
         # For optimizing weekly archives, selected by blog, class,
         # status.