diff --git a/sw/airborne/arch/stm32/peripherals/hmc5843_arch.c b/sw/airborne/arch/stm32/peripherals/hmc5843_arch.c
index d968eb88ada..7f82ccc28d3 100644
--- a/sw/airborne/arch/stm32/peripherals/hmc5843_arch.c
+++ b/sw/airborne/arch/stm32/peripherals/hmc5843_arch.c
@@ -69,7 +69,4 @@ void exti9_5_irq_handler(void) {
   if(EXTI_GetITStatus(EXTI_Line5) != RESET)
     EXTI_ClearITPendingBit(EXTI_Line5);
 
-#ifdef HMC5843_USE_INT
-    hmc5843.ready_for_read = TRUE;
-#endif
 }