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-rw-r--r--src/include/antirollback.h4
-rw-r--r--src/vboot/secdata_tpm.c5
2 files changed, 2 insertions, 7 deletions
diff --git a/src/include/antirollback.h b/src/include/antirollback.h
index f088ee2c53..889ba9a01f 100644
--- a/src/include/antirollback.h
+++ b/src/include/antirollback.h
@@ -17,8 +17,8 @@ enum vb2_pcr_digest;
/* TPM NVRAM location indices. */
#define FIRMWARE_NV_INDEX 0x1007
#define KERNEL_NV_INDEX 0x1008
-/* This is just an opaque space for backup purposes */
-#define BACKUP_NV_INDEX 0x1009
+/* 0x1009 used to be used as a backup space. Think of conflicts if you
+ * want to use 0x1009 for something else. */
/* Structure definitions for TPM spaces */
diff --git a/src/vboot/secdata_tpm.c b/src/vboot/secdata_tpm.c
index 76b90abee6..b1f3197610 100644
--- a/src/vboot/secdata_tpm.c
+++ b/src/vboot/secdata_tpm.c
@@ -245,11 +245,6 @@ static uint32_t _factory_initialize_tpm(struct vb2_context *ctx)
VBDEBUG("TPM: Clearing owner\n");
RETURN_ON_FAILURE(tpm_clear_and_reenable());
- /* Define the backup space. No need to initialize it, though. */
- RETURN_ON_FAILURE(safe_define_space(BACKUP_NV_INDEX,
- TPM_NV_PER_PPWRITE,
- VB2_NVDATA_SIZE));
-
/* Define and initialize the kernel space */
RETURN_ON_FAILURE(safe_define_space(KERNEL_NV_INDEX,
TPM_NV_PER_PPWRITE,