diff --git a/halport/stm32irq.c b/halport/stm32irq.c
index 5c6acf3..ace8fda 100644
--- a/halport/stm32irq.c
+++ b/halport/stm32irq.c
@@ -6,34 +6,6 @@
 
 #define TAG "IRQ"
 
-void NMI_Handler(void) {
-  printf("E:%s\n", __FUNCTION__);
-  while (1) {
-  }
-}
-void HardFault_Handler(void) {
-  printf("E:%s\n", __FUNCTION__);
-  while (1) {
-  }
-}
-
-void MemManage_Handler(void) {
-  printf("E:%s\n", __FUNCTION__);
-  while (1) {
-  }
-}
-
-void BusFault_Handler(void) {
-  printf("E:%s\n", __FUNCTION__);
-  while (1) {
-  }
-}
-void UsageFault_Handler(void) {
-  printf("E:%s\n", __FUNCTION__);
-  while (1) {
-  }
-}
-void DebugMon_Handler(void) {}
 
 /***********************************************************************************************************************
  *                                                       DMAIRQ                                                        *