diff --git a/ports/stm32/boards/MIKROE_CLICKER2_STM32/pins.csv b/ports/stm32/boards/MIKROE_CLICKER2_STM32/pins.csv
index 09e1ccfb4b..c04d2b8c4a 100644
--- a/ports/stm32/boards/MIKROE_CLICKER2_STM32/pins.csv
+++ b/ports/stm32/boards/MIKROE_CLICKER2_STM32/pins.csv
@@ -85,4 +85,4 @@ T2,PE0
 T3,PA10
 USB_VBUS,PA9
 USB_DM,PA11
-USB_DP,PA12
\ No newline at end of file
+USB_DP,PA12
diff --git a/ports/stm32/boards/NUCLEO_F412ZG/pins.csv b/ports/stm32/boards/NUCLEO_F412ZG/pins.csv
index 430d0972b3..31dcb99ed6 100644
--- a/ports/stm32/boards/NUCLEO_F412ZG/pins.csv
+++ b/ports/stm32/boards/NUCLEO_F412ZG/pins.csv
@@ -115,4 +115,4 @@ PH1,PH1
 SW,C13
 LED_RED,B14
 LED_GREEN,B0
-LED_BLUE,B7
\ No newline at end of file
+LED_BLUE,B7
diff --git a/ports/stm32/boards/OLIMEX_E407/mpconfigboard.h b/ports/stm32/boards/OLIMEX_E407/mpconfigboard.h
index b9c94b15be..a3b23817d3 100644
--- a/ports/stm32/boards/OLIMEX_E407/mpconfigboard.h
+++ b/ports/stm32/boards/OLIMEX_E407/mpconfigboard.h
@@ -27,7 +27,7 @@
 #define MICROPY_HW_UART3_RTS    (pin_D12)
 #define MICROPY_HW_UART3_CTS    (pin_D11)
 #if MICROPY_HW_HAS_SWITCH == 0
-// NOTE: A0 also connects to the user switch. To use UART4 you should 
+// NOTE: A0 also connects to the user switch. To use UART4 you should
 //       set MICROPY_HW_HAS_SWITCH to 0, and also remove SB20 (on the back
 //       of the board near the USER switch).
 #define MICROPY_HW_UART4_TX     (pin_A0)
diff --git a/ports/stm32/boards/STM32F4DISC/mpconfigboard.h b/ports/stm32/boards/STM32F4DISC/mpconfigboard.h
index dbe52e6b10..3b291ad762 100644
--- a/ports/stm32/boards/STM32F4DISC/mpconfigboard.h
+++ b/ports/stm32/boards/STM32F4DISC/mpconfigboard.h
@@ -31,7 +31,7 @@
 #define MICROPY_HW_UART3_RTS    (pin_D12)
 #define MICROPY_HW_UART3_CTS    (pin_D11)
 #if MICROPY_HW_HAS_SWITCH == 0
-// NOTE: A0 also connects to the user switch. To use UART4 you should 
+// NOTE: A0 also connects to the user switch. To use UART4 you should
 //       set MICROPY_HW_HAS_SWITCH to 0, and also remove SB20 (on the back
 //       of the board near the USER switch).
 #define MICROPY_HW_UART4_TX     (pin_A0)
diff --git a/ports/stm32/boards/STM32F769DISC/mpconfigboard.h b/ports/stm32/boards/STM32F769DISC/mpconfigboard.h
index 87cefb5017..981f17848f 100644
--- a/ports/stm32/boards/STM32F769DISC/mpconfigboard.h
+++ b/ports/stm32/boards/STM32F769DISC/mpconfigboard.h
@@ -85,7 +85,7 @@ extern struct _spi_bdev_t spi_bdev;
 
 // LEDs
 #define MICROPY_HW_LED1             (pin_J13) // red
-#define MICROPY_HW_LED2             (pin_J5) // green 
+#define MICROPY_HW_LED2             (pin_J5) // green
 #define MICROPY_HW_LED3             (pin_A12) // green
 #define MICROPY_HW_LED_ON(pin)      (mp_hal_pin_high(pin))
 #define MICROPY_HW_LED_OFF(pin)     (mp_hal_pin_low(pin))
diff --git a/ports/stm32/boards/stm32h743.ld b/ports/stm32/boards/stm32h743.ld
index 8cf8a4e591..72d915b2bb 100644
--- a/ports/stm32/boards/stm32h743.ld
+++ b/ports/stm32/boards/stm32h743.ld
@@ -10,7 +10,7 @@ MEMORY
     FLASH_FS (r)    : ORIGIN = 0x08020000, LENGTH = 128K    /* sector 1, 128K */
     FLASH_TEXT (rx) : ORIGIN = 0x08040000, LENGTH = 1792K   /* sectors 6*128 + 8*128 */
     DTCM (xrw)      : ORIGIN = 0x20000000, LENGTH = 128K    /* Used for storage cache */
-    RAM (xrw)       : ORIGIN = 0x24000000, LENGTH = 512K    /* AXI SRAM */    
+    RAM (xrw)       : ORIGIN = 0x24000000, LENGTH = 512K    /* AXI SRAM */
     RAM_D2 (xrw)    : ORIGIN = 0x30000000, LENGTH = 288K
 }
 
diff --git a/ports/stm32/boards/stm32l432_af.csv b/ports/stm32/boards/stm32l432_af.csv
index e1d231c40a..debfcd7b35 100644
--- a/ports/stm32/boards/stm32l432_af.csv
+++ b/ports/stm32/boards/stm32l432_af.csv
@@ -25,4 +25,4 @@ PortB,PB6,,LPTIM1_ETR,,,I2C1_SCL,,,USART1_TX,,TSC_G2_IO3,,,,SAI1_FS_B,TIM16_CH1N
 PortB,PB7,,LPTIM1_IN2,,,I2C1_SDA,,,USART1_RX,,TSC_G2_IO4,,,,,,EVENTOUT,,COMP2_INM,
 PortC,PC14,,,,,,,,,,,,,,,,EVENTOUT,,,
 PortC,PC15,,,,,,,,,,,,,,,,EVENTOUT,,,
-PortH,PH3,,,,,,,,,,,,,,,,EVENTOUT,,,
\ No newline at end of file
+PortH,PH3,,,,,,,,,,,,,,,,EVENTOUT,,,