diff --git a/targets/stm32l432/src/device.c b/targets/stm32l432/src/device.c
index d1cc41c..49bbfe7 100644
--- a/targets/stm32l432/src/device.c
+++ b/targets/stm32l432/src/device.c
@@ -100,11 +100,6 @@ void TIM6_DAC_IRQHandler()
 	}
 #endif
 }
-void EXTI0_IRQHandler(void)
-{
-    EXTI->PR1 = EXTI->PR1;
-    __last_button_press_time = millis();
-}
 
 // Interrupt on rising edge of button (button released)
 void EXTI0_IRQHandler(void)