diff -Naur mate-media-1.2.1-old//gst-mixer/src/element.c mate-media-1.2.1/gst-mixer/src/element.c
--- mate-media-1.2.1-old//gst-mixer/src/element.c	2012-03-26 02:01:30.000000000 +0300
+++ mate-media-1.2.1/gst-mixer/src/element.c	2012-04-27 01:26:33.410638698 +0300
@@ -485,7 +485,7 @@
     gtk_notebook_set_current_page (GTK_NOTEBOOK (el), i);
   }
 
-#ifdef HAVE_SOUND_THEME
+#if 0
   /* Add tab for managing themes */
   if (!theme_page) {
     theme_page = TRUE;