diff --git a/src/stm32/hard_pwm.c b/src/stm32/hard_pwm.c
index 6f7d8d08..dbed84c1 100644
--- a/src/stm32/hard_pwm.c
+++ b/src/stm32/hard_pwm.c
@@ -20,7 +20,7 @@ struct gpio_pwm_info {
 };
 
 static const struct gpio_pwm_info pwm_regs[] = {
-#if CONFIG_MACH_STM32F103 || CONFIG_MACH_N32G45x
+#if CONFIG_MACH_STM32F1
     {TIM2, GPIO('A', 0),  1, GPIO_FUNCTION(2)},
     {TIM2, GPIO('A', 1),  2, GPIO_FUNCTION(2)},
     {TIM2, GPIO('A', 2),  3, GPIO_FUNCTION(2)},
diff --git a/src/stm32/usbfs.c b/src/stm32/usbfs.c
index f2c3057f..fda2ce9d 100644
--- a/src/stm32/usbfs.c
+++ b/src/stm32/usbfs.c
@@ -15,7 +15,7 @@
 #include "internal.h" // GPIO
 #include "sched.h" // DECL_INIT
 
-#if CONFIG_MACH_STM32F103 || CONFIG_MACH_STM32G4 || CONFIG_MACH_N32G45x
+#if CONFIG_MACH_STM32F1 || CONFIG_MACH_STM32G4
   // Transfer memory is accessed with 32bits, but contains only 16bits of data
   typedef volatile uint32_t epmword_t;
   #define WSIZE 2