diff --git a/arch/x86/core/intel64/irq.c b/arch/x86/core/intel64/irq.c
index 5847e15ee91..f4293512663 100644
--- a/arch/x86/core/intel64/irq.c
+++ b/arch/x86/core/intel64/irq.c
@@ -92,15 +92,11 @@ int z_arch_irq_connect_dynamic(unsigned int irq, unsigned int priority,
 
 void z_arch_irq_offload(irq_offload_routine_t routine, void *parameter)
 {
-	u32_t key;
-
-	key = irq_lock();
 	x86_irq_funcs[CONFIG_IRQ_OFFLOAD_VECTOR - IV_IRQS] = routine;
 	x86_irq_args[CONFIG_IRQ_OFFLOAD_VECTOR - IV_IRQS] = parameter;
 	__asm__ volatile("int %0" : : "i" (CONFIG_IRQ_OFFLOAD_VECTOR)
 			  : "memory");
 	x86_irq_funcs[CONFIG_IRQ_OFFLOAD_VECTOR - IV_IRQS] = NULL;
-	irq_unlock(key);
 }
 
 #endif /* CONFIG_IRQ_OFFLOAD */