From 293e14e8bd4b87019780ed0598cb7cfaa636415a Mon Sep 17 00:00:00 2001
From: Mark Haslinghuis <mark@numloq.nl>
Date: Fri, 21 Jul 2023 05:23:40 +0200
Subject: [PATCH] Revert 12577 change for F4 (#12969)

---
 src/main/drivers/stm32/serial_uart_stm32f4xx.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/main/drivers/stm32/serial_uart_stm32f4xx.c b/src/main/drivers/stm32/serial_uart_stm32f4xx.c
index 1f5dbf5b762..b2a9ac00e17 100644
--- a/src/main/drivers/stm32/serial_uart_stm32f4xx.c
+++ b/src/main/drivers/stm32/serial_uart_stm32f4xx.c
@@ -390,9 +390,6 @@ void uartIrqHandler(uartPort_t *s)
             s->port.txBufferTail = (s->port.txBufferTail + 1) % s->port.txBufferSize;
         } else {
             USART_ITConfig(s->USARTx, USART_IT_TXE, DISABLE);
-
-            // Switch TX to an input with pullup so it's state can be monitored
-            uartTxMonitor(s);
         }
     }