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-rw-r--r--drivers/tty/serial/serial_txx9.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c
index 29f5232f79e..af115645c51 100644
--- a/drivers/tty/serial/serial_txx9.c
+++ b/drivers/tty/serial/serial_txx9.c
@@ -142,7 +142,6 @@ struct uart_txx9_port {
#define TXX9_SIFCR_RDIL_12 0x00000180
#define TXX9_SIFCR_RDIL_MAX 0x00000180
#define TXX9_SIFCR_TDIL_MASK 0x00000018
-#define TXX9_SIFCR_TDIL_MASK 0x00000018
#define TXX9_SIFCR_TDIL_1 0x00000000
#define TXX9_SIFCR_TDIL_4 0x00000001
#define TXX9_SIFCR_TDIL_8 0x00000010