diff --git a/target/linux/xburst/config-2.6.31 b/target/linux/xburst/config-2.6.31
index 5d8ff2d62..df315307f 100644
--- a/target/linux/xburst/config-2.6.31
+++ b/target/linux/xburst/config-2.6.31
@@ -217,7 +217,7 @@ CONFIG_MIPS_MT_DISABLED=y
 CONFIG_MMC=y
 CONFIG_MMC_BLOCK=y
 # CONFIG_MMC_BLOCK_BOUNCE is not set
-CONFIG_MMC_DEBUG=y
+# CONFIG_MMC_DEBUG is not set
 CONFIG_MMC_JZ=y
 # CONFIG_MMC_SDHCI is not set
 # CONFIG_MMC_SPI is not set