--- drutex_render.inc.orig	2011-11-27 13:34:42.000000000 -0500
+++ drutex_render.inc	2011-11-27 13:35:18.000000000 -0500
@@ -83,41 +83,6 @@ function drutex_render_node2html() {
       'weight' => -6
     );
 
-  /* Paragraph math between $$ and $$ */
-  $E[] = (object) array(
-      'pattern' => '@(^|[^\\\\])(\$\$.*?[^\\\\]\$\$)@se',
-      'replacement' => "'$1' . drutex_render('$2', '<var>format</var>', '', 'tag=\"table\" class=\"displaymath\"')",
-      'weight' => -5
-    );
-
-  /* Paragraph math between \[ and \] */
-  $E[] = (object) array(
-      'pattern' => '@\\\\\\[(.+?)\\\\\\]@se',
-      'replacement' => "drutex_render('$0', '<var>format</var>', '', 'tag=\"table\" class=\"displaymath\"')",
-      'weight' => -5
-    );
-
-  /* Inline math (display style) between $! and $ */
-  $E[] = (object) array(
-      'pattern' => '@(^|[^\\\\])\$!(.*?[^\\\\])\$@se',
-      'replacement' => "'$1' . drutex_render('$\displaystyle $2 $', '<var>format</var>')",
-      'weight' => -4
-    );
-
-  /* Inline math between $ and $ */
-  $E[] = (object) array(
-      'pattern' => '@(^|[^\\\\])\$(.*?[^\\\\])\$@se',
-      'replacement' => "'$1' . drutex_render('$ $2 $', '<var>format</var>')",
-      'weight' => -3
-    );
-
-  /* unescape escaped dollar signs */
-  $E[] = (object) array(
-      'pattern' => '@\\\\\\$@s',
-      'replacement' => '$',
-      'weight' => 1000 /*  very late */
-    );
-
   return $E;
 }