diff --git a/drivers/misc/pti.c b/drivers/misc/pti.c
index 471ff4c85cd846b3725697781658c4f4c8b69579..9a35db3d27fc8604935332914cbae6c8a07480d5 100644
--- a/drivers/misc/pti.c
+++ b/drivers/misc/pti.c
@@ -920,7 +920,6 @@ static int __init pti_init(void)
 	pti_tty_driver->name			= TTYNAME;
 	pti_tty_driver->major			= 0;
 	pti_tty_driver->minor_start		= PTITTY_MINOR_START;
-	pti_tty_driver->minor_num		= PTITTY_MINOR_NUM;
 	pti_tty_driver->num			= PTITTY_MINOR_NUM;
 	pti_tty_driver->type			= TTY_DRIVER_TYPE_SYSTEM;
 	pti_tty_driver->subtype			= SYSTEM_TYPE_SYSCONS;
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index 6e65493a5e6c8fb8f616ac85b52a3b43919dd068..e064f1704e200f3e3abcfb75476337fc4683c222 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -299,7 +299,6 @@ struct tty_driver {
 	int	name_base;	/* offset of printed name */
 	int	major;		/* major device number */
 	int	minor_start;	/* start of minor device number */
-	int	minor_num;	/* number of *possible* devices */
 	int	num;		/* number of devices allocated */
 	short	type;		/* type of tty driver */
 	short	subtype;	/* subtype of tty driver */