diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index ef72031ab5b9..00099a8439d2 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -116,12 +116,6 @@ static int pty_write(struct tty_struct *tty, const unsigned char *buf, int c)
 	if (tty->stopped)
 		return 0;
 
-	mutex_lock(&tty_mutex);
-	if (to->magic != TTY_MAGIC) {
-		mutex_unlock(&tty_mutex);
-		return -EIO;
-	}
-
 	if (c > 0) {
 		spin_lock_irqsave(&to->port->lock, flags);
 		/* Stuff the data into the input queue of the other end */
@@ -131,7 +125,6 @@ static int pty_write(struct tty_struct *tty, const unsigned char *buf, int c)
 			tty_flip_buffer_push(to->port);
 		spin_unlock_irqrestore(&to->port->lock, flags);
 	}
-	mutex_unlock(&tty_mutex);
 	return c;
 }
 
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index c27777f3b8c4..5fa250157025 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -1448,13 +1448,10 @@ static void release_one_tty(struct work_struct *work)
 	struct tty_driver *driver = tty->driver;
 	struct module *owner = driver->owner;
 
-	mutex_lock(&tty_mutex);
 	if (tty->ops->cleanup)
 		tty->ops->cleanup(tty);
 
 	tty->magic = 0;
-	mutex_unlock(&tty_mutex);
-
 	tty_driver_kref_put(driver);
 	module_put(owner);