diff --git a/examples/bluetooth/hci/controller_hci_uart_esp32c3_and_esp32s3/main/main.c b/examples/bluetooth/hci/controller_hci_uart_esp32c3_and_esp32s3/main/main.c
index 3ac6e29fb2..af6df74036 100644
--- a/examples/bluetooth/hci/controller_hci_uart_esp32c3_and_esp32s3/main/main.c
+++ b/examples/bluetooth/hci/controller_hci_uart_esp32c3_and_esp32s3/main/main.c
@@ -29,12 +29,6 @@ static const char *tag = "UHCI";
 #define GPIO_OUTPUT_PIN_SEL  ((1ULL<<GPIO_UART_TXD_OUT) | (1ULL<<GPIO_UART_RTS_OUT))
 #define GPIO_INPUT_PIN_SEL   ((1ULL<<GPIO_UART_RXD_IN) | (1ULL<<GPIO_UART_CTS_IN))
 
-#ifdef CONFIG_EXAMPLE_HCI_UART_FLOW_CTRL_ENABLE
-#define HCI_UART_FLOW_CTRL_ENABLE CONFIG_EXAMPLE_HCI_UART_FLOW_CTRL_ENABLE
-#else
-#define HCI_UART_FLOW_CTRL_ENABLE  FALSE
-#endif
-
 // Operation functions for HCI UART Transport Layer
 static bool hci_uart_tl_init(void);
 static void hci_uart_tl_deinit(void);
@@ -209,7 +203,7 @@ void uhci_uart_install(void)
         .data_bits = UART_DATA_8_BITS,
         .parity = UART_PARITY_DISABLE,
         .stop_bits = UART_STOP_BITS_1,
-#if (HCI_UART_FLOW_CTRL_ENABLE == TRUE)
+#ifdef CONFIG_EXAMPLE_HCI_UART_FLOW_CTRL_ENABLE
         .flow_ctrl = UART_HW_FLOWCTRL_CTS_RTS,
 #else
         .flow_ctrl = UART_HW_FLOWCTRL_DISABLE,