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-rw-r--r--include/linux/tty_driver.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index f0b98e5a5473..ba9506f322b4 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -275,6 +275,5 @@ void tty_set_operations(struct tty_driver *driver, struct tty_operations *op);
/* serial subtype definitions */
#define SERIAL_TYPE_NORMAL 1
-#define SERIAL_TYPE_CALLOUT 2
#endif /* #ifdef _LINUX_TTY_DRIVER_H */