diff --git a/libraries/AP_HAL_ChibiOS/hwdef/thepeach-k1/hwdef-bl.dat b/libraries/AP_HAL_ChibiOS/hwdef/thepeach-k1/hwdef-bl.dat
index 4f399a2efe..b88c8ea999 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/thepeach-k1/hwdef-bl.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/thepeach-k1/hwdef-bl.dat
@@ -32,7 +32,7 @@ USB_STRING_MANUFACTURER "ArduPilot"
 define BOOTLOADER_BAUDRATE 115200
 
 # uarts and USB to run bootloader protocol on
-SERIAL_ORDER OTG1 USART2 USART3 UART7
+SERIAL_ORDER OTG1 USART2 USART3
 
 # this is the pin that senses USB being connected. It is an input pin
 # setup as OPENDRAIN
@@ -59,10 +59,6 @@ PD9 USART3_RX USART3
 PD11 USART3_CTS USART3
 PD12 USART3_RTS USART3
 
-# UART7 maps to uartF in the HAL (serial5 in SERIALn_ parameters)
-PE7 UART7_RX UART7
-PE8 UART7_TX UART7
-
 # define a LED
 PE12 LED_BOOTLOADER OUTPUT
 define HAL_LED_ON 1
@@ -82,4 +78,4 @@ PD7 MS5611_CS CS
 PD10 FRAM_CS CS SPEED_VERYLOW
 
 # default to all pins low to avoid ESD issues
-DEFAULTGPIO OUTPUT LOW PULLDOWN
\ No newline at end of file
+DEFAULTGPIO OUTPUT LOW PULLDOWN