diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 09302ab..3c4e5eb 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -175,7 +175,6 @@ struct tpm_chip {
 
 	int dev_num;		/* /dev/tpm# */
 	unsigned long is_open;	/* only one allowed */
-	int time_expired;
 
 	struct mutex tpm_mutex;	/* tpm is processing */