--- ./src/via_driver.c.orig	2013-03-08 17:06:40.823886038 +0000
+++ ./src/via_driver.c	2013-03-08 17:07:09.180832169 +0000
@@ -1864,7 +1864,6 @@
     if (!pVia->NoAccel && !viaInitExa(pScreen))
         return FALSE;
 
-    miInitializeBackingStore(pScreen);
     xf86SetBackingStore(pScreen);
 #if 0
     xf86SetSilkenMouse(pScreen);