diff --git a/ports/stm32f4/boards/STM32F405.ld b/ports/stm32f4/boards/STM32F405.ld
index 4cf89890a4..7f7c917846 100644
--- a/ports/stm32f4/boards/STM32F405.ld
+++ b/ports/stm32f4/boards/STM32F405.ld
@@ -25,8 +25,6 @@ _estack = ORIGIN(RAM) + LENGTH(RAM);
 /* RAM extents for the garbage collector */
 _ram_start = ORIGIN(RAM);
 _ram_end = ORIGIN(RAM) + LENGTH(RAM);
-_heap_start = _ebss; /* heap starts just after statically allocated memory */
-_heap_end = 0x2001c000; /* tunable */
 
 ENTRY(Reset_Handler)
 
diff --git a/ports/stm32f4/boards/pyboard_v11/mpconfigboard.mk b/ports/stm32f4/boards/pyboard_v11/mpconfigboard.mk
index c11dd73ae5..de85018fe5 100644
--- a/ports/stm32f4/boards/pyboard_v11/mpconfigboard.mk
+++ b/ports/stm32f4/boards/pyboard_v11/mpconfigboard.mk
@@ -1,11 +1,10 @@
 USB_VID = 0x239A
 USB_PID = 0x8056
 USB_PRODUCT = "Pyboard Version 1.1"
-USB_MANUFACTURER = "STMicroelectronics"
+USB_MANUFACTURER = "George Robotic"
 USB_DEVICES = "CDC,MSC"
 
 INTERNAL_FLASH_FILESYSTEM = 1
-#DISABLE_FILESYSTEM = 1
 LONGINT_IMPL = NONE
 
 MCU_SERIES = m4
diff --git a/ports/stm32f4/peripherals/stm32f4/stm32f405xx/gpio.c b/ports/stm32f4/peripherals/stm32f4/stm32f405xx/gpio.c
index 2545e0470e..3c9af0e438 100644
--- a/ports/stm32f4/peripherals/stm32f4/stm32f405xx/gpio.c
+++ b/ports/stm32f4/peripherals/stm32f4/stm32f405xx/gpio.c
@@ -34,12 +34,6 @@ void stm32f4_peripherals_gpio_init(void) {
     __HAL_RCC_GPIOA_CLK_ENABLE();
     __HAL_RCC_GPIOB_CLK_ENABLE();
 
-    //Status LED chain
-    stm32f4_peripherals_status_led(0,1);
-    stm32f4_peripherals_status_led(1,0);
-    stm32f4_peripherals_status_led(2,0);
-    stm32f4_peripherals_status_led(3,0);
-
     //Never reset pins
     never_reset_pin_number(2,13); //PC13 anti tamp
     never_reset_pin_number(2,14); //PC14 OSC32_IN