diff --git a/cmsis/CMSIS_5/CMSIS/TARGET_CORTEX_A/Include/cmsis_armclang.h b/cmsis/CMSIS_5/CMSIS/TARGET_CORTEX_A/Include/cmsis_armclang.h
index e64eba9354..1b0adb3b5b 100644
--- a/cmsis/CMSIS_5/CMSIS/TARGET_CORTEX_A/Include/cmsis_armclang.h
+++ b/cmsis/CMSIS_5/CMSIS/TARGET_CORTEX_A/Include/cmsis_armclang.h
@@ -373,20 +373,24 @@ __STATIC_FORCEINLINE int32_t __SMMLA (int32_t op1, int32_t op2, int32_t op3)
   \details Enables IRQ interrupts by clearing the I-bit in the CPSR.
            Can only be executed in Privileged modes.
  */
+#ifndef __ARM_COMPAT_H
 __STATIC_FORCEINLINE void __enable_irq(void)
 {
   __ASM volatile ("cpsie i" : : : "memory");
 }
+#endif
 
 /**
   \brief   Disable IRQ Interrupts
   \details Disables IRQ interrupts by setting the I-bit in the CPSR.
   Can only be executed in Privileged modes.
  */
+#ifndef __ARM_COMPAT_H
 __STATIC_FORCEINLINE void __disable_irq(void)
 {
   __ASM volatile ("cpsid i" : : : "memory");
 }
+#endif
 
 /**
   \brief   Enable FIQ