diff --git a/ports/stm32f4/boards/stm32f411ce_blackpill/mpconfigboard.h b/ports/stm32f4/boards/stm32f411ce_blackpill/mpconfigboard.h
index 4b46b1056b..a438b5baa6 100644
--- a/ports/stm32f4/boards/stm32f411ce_blackpill/mpconfigboard.h
+++ b/ports/stm32f4/boards/stm32f411ce_blackpill/mpconfigboard.h
@@ -33,7 +33,6 @@
 #define FLASH_PAGE_SIZE             (0x4000)
 
 #define BOARD_OSC_DIV 25
-#define BOARD_USB_VBUS_BOOST
 
 // On-board flash
 // #define SPI_FLASH_MOSI_PIN          (&pin_PA07)
diff --git a/ports/stm32f4/supervisor/usb.c b/ports/stm32f4/supervisor/usb.c
index 39538daabf..95db0aafc2 100644
--- a/ports/stm32f4/supervisor/usb.c
+++ b/ports/stm32f4/supervisor/usb.c
@@ -31,7 +31,6 @@
 #include "lib/utils/interrupt_char.h"
 #include "lib/mp-readline/readline.h"
 #include "stm32f4xx_hal.h"
-#include "py/mpconfig.h"
 
 #include "common-hal/microcontroller/Pin.h"
 
@@ -59,11 +58,7 @@ void init_usb_hardware(void) {
     /* Configure VBUS Pin */
     GPIO_InitStruct.Pin = GPIO_PIN_9;
     GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
-#ifdef BOARD_USB_VBUS_BOOST
-    GPIO_InitStruct.Pull = GPIO_PULLUP; //GPIO_NOPULL;
-#else
-    GPIO_InitStruct.Pull = GPIO_NOPULL; //GPIO_NOPULL;
-#endif
+    GPIO_InitStruct.Pull = GPIO_NOPULL; 
     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
     never_reset_pin_number(0, 9);