diff --git a/nuttx-configs/mindpx-v2/include/board.h b/nuttx-configs/mindpx-v2/include/board.h
index b7a451f78e..a1473cb58a 100644
--- a/nuttx-configs/mindpx-v2/include/board.h
+++ b/nuttx-configs/mindpx-v2/include/board.h
@@ -221,8 +221,8 @@
 
 #define GPIO_USART3_RX	GPIO_USART3_RX_3
 #define GPIO_USART3_TX	GPIO_USART3_TX_3
-#define GPIO_USART3_RTS	GPIO_USART3_RTS_2
-#define GPIO_USART3_CTS	GPIO_USART3_CTS_2
+#define GPIO_USART3_CTS	0 // unused
+#define GPIO_USART3_RTS	0 // unused
 
 #define GPIO_UART4_RX	GPIO_UART4_RX_1
 #define GPIO_UART4_TX	GPIO_UART4_TX_1
diff --git a/nuttx-configs/mindpx-v2/nsh/defconfig b/nuttx-configs/mindpx-v2/nsh/defconfig
index ca0665dc12..e5b00229f1 100644
--- a/nuttx-configs/mindpx-v2/nsh/defconfig
+++ b/nuttx-configs/mindpx-v2/nsh/defconfig
@@ -991,8 +991,8 @@ CONFIG_USART3_BAUD=57600
 CONFIG_USART3_BITS=8
 CONFIG_USART3_PARITY=0
 CONFIG_USART3_2STOP=0
-CONFIG_USART3_IFLOWCONTROL=y
-CONFIG_USART3_OFLOWCONTROL=y
+# CONFIG_USART3_IFLOWCONTROL is not set
+# CONFIG_USART3_OFLOWCONTROL is not set
 # CONFIG_USART3_DMA is not set
 
 #