diff --git a/src/mainboard/intel/d510mo/Kconfig b/src/mainboard/intel/d510mo/Kconfig
index 7131b3ad13..757a24cfd4 100644
--- a/src/mainboard/intel/d510mo/Kconfig
+++ b/src/mainboard/intel/d510mo/Kconfig
@@ -36,10 +36,6 @@ config MMCONF_BASE_ADDRESS
 	hex
 	default 0xe0000000
 
-config CBFS_SIZE
-	hex "Size of CBFS filesystem in ROM"
-	default 0x100000
-
 config MAINBOARD_DIR
 	string
 	default intel/d510mo