diff --git a/libupgrade/hmx_upgrade_nvram.c b/libupgrade/hmx_upgrade_nvram.c
index ff9cb5e..499158b 100644
--- a/libupgrade/hmx_upgrade_nvram.c
+++ b/libupgrade/hmx_upgrade_nvram.c
@@ -180,14 +180,10 @@
 	{NVRAM_FIELD_LOADER_VERSION		 , "LOADER_VERSION"	       , HMX_NVRAM_PARTITION_RW, 0},
 	{NVRAM_FIELD_OSD_DISPLAY			 , "OSD_DISPLAY"	       , HMX_NVRAM_PARTITION_RW, 0},
 	{NVRAM_FIELD_ACTIVATED_KERNEL_NUM, "ACTIVATED_KERNEL_NUM"	       , HMX_NVRAM_PARTITION_RW, 0},
-	{NVRAM_FIELD_ACTIVATED_ROOTFS_NUM			 , "ACTIVATED_ROOTFS_NUM"	       , HMX_NVRAM_PARTITION_RW, 0},
 	{NVRAM_FIELD_MTD_TYPE_FOR_KERNEL			 , "MTD_TYPE_FOR_KERNEL"	       , HMX_NVRAM_PARTITION_RW, 0},
-	{NVRAM_FIELD_TYPE_OF_FILESYSTEM			 , "TYPE_OF_FILESYSTEM"	       , HMX_NVRAM_PARTITION_RW, 0},
-	{NVRAM_FIELD_NAME_OF_BOARD			 , "NAME_OF_BOARD"	       , HMX_NVRAM_PARTITION_RW, 0},
-	{NVRAM_FIELD_L_TYPE_OF_FILESYSTEM		, "L_TYPE_OF_FILESYSTEM"	       , HMX_NVRAM_PARTITION_RW, 0},
-	{NVRAM_FIELD_L_NAME_OF_BOARD			 , "L_NAME_OF_BOARD"	       , HMX_NVRAM_PARTITION_RW, 0},
 	{NVRAM_FIELD_ACTIVATED_KERNEL_NAME		, "ACTIVATED_KERNEL_NAME"	, HMX_NVRAM_PARTITION_RW, 0},
 	{NVRAM_FIELD_EXTRA_KERNEL_OPT			, "EXTRA_KERNEL_OPT"		, HMX_NVRAM_PARTITION_RW, 0},
+	{NVRAM_FIELD_PLATFORM_NAME			, "PLATFORM_NAME"		, HMX_NVRAM_PARTITION_RW, 0},
 
 	{NVRAM_FIELD_BIN8K				 , "BIN8K"				   , HMX_NVRAM_PARTITION_RW, 0x2000},
 	{NVRAM_FIELD_RAWFS				 , "RAWFS" 			       , HMX_NVRAM_PARTITION_W_RAWFS, RAW_FS_SIZE},
diff --git a/libupgrade/hmx_upgrade_nvram.h b/libupgrade/hmx_upgrade_nvram.h
index 3fe0d75..631e512 100644
--- a/libupgrade/hmx_upgrade_nvram.h
+++ b/libupgrade/hmx_upgrade_nvram.h
@@ -234,13 +234,9 @@
 	NVRAM_FIELD_IRDETO_CPCB_ENCRYPTED, 			// for IRDETO CPCB (encrypted)
 
 	NVRAM_FIELD_ACTIVATED_KERNEL_NUM, 			// ACTIVATED_KERNEL_NUM
-	NVRAM_FIELD_ACTIVATED_ROOTFS_NUM, 			// ACTIVATED_ROOTFS_NUM
 	NVRAM_FIELD_MTD_TYPE_FOR_KERNEL, 			// MTD_TYPE_FOR_KERNEL
-	NVRAM_FIELD_TYPE_OF_FILESYSTEM, 				// TYPE_OF_FILESYSTEM
-	NVRAM_FIELD_L_TYPE_OF_FILESYSTEM,				// Length TYPE_OF_FILESYSTEM
-	NVRAM_FIELD_NAME_OF_BOARD, 					// NAME_OF_BOARD
-	NVRAM_FIELD_L_NAME_OF_BOARD, 					// Length NAME_OF_BOARD
 	NVRAM_FIELD_ACTIVATED_KERNEL_NAME,			// "kernel0", lookup mtd partition
+	NVRAM_FIELD_PLATFORM_NAME,			        // Platform name, e.g. "gfhd100"
 	NVRAM_FIELD_EXTRA_KERNEL_OPT,		        	// string to append to cmdline
 
 	NVRAM_FIELD_RAWFS = 0x1000,