diff --git a/arch/x86/cpu/irq.c b/arch/x86/cpu/irq.c
index d6151e085aadc023697653b6924ac1da5469e893..0b36ace0915565ab5795655408bca91c88d7ff2a 100644
--- a/arch/x86/cpu/irq.c
+++ b/arch/x86/cpu/irq.c
@@ -83,11 +83,6 @@ static inline void fill_irq_info(struct irq_info *slot, int bus, int device,
 	slot->irq[pin - 1].bitmap = irq_router.irq_mask;
 }
 
-__weak void cpu_irq_init(void)
-{
-	return;
-}
-
 static int create_pirq_routing_table(struct udevice *dev)
 {
 	const void *blob = gd->fdt_blob;
@@ -227,8 +222,6 @@ int irq_router_common_init(struct udevice *dev)
 {
 	int ret;
 
-	cpu_irq_init();
-
 	ret = create_pirq_routing_table(dev);
 	if (ret) {
 		debug("Failed to create pirq routing table\n");
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h
index 46e1c3119486a5b9497cbfa49e5f21363ffcd160..5b9e6737634e69ed3044fb037306b331eabf297c 100644
--- a/arch/x86/include/asm/irq.h
+++ b/arch/x86/include/asm/irq.h
@@ -55,16 +55,6 @@ struct pirq_routing {
 
 #define PIRQ_BITMAP		0xdef8
 
-/**
- * cpu_irq_init() - Initialize CPU IRQ routing
- *
- * This initializes some platform-specific registers related to IRQ routing,
- * like configuring internal PCI devices to use which PCI interrupt pin,
- * and which PCI interrupt pin is mapped to which PIRQ line. Note on some
- * platforms, such IRQ routing might be hard-coded thus cannot configure.
- */
-void cpu_irq_init(void);
-
 /**
  * irq_router_common_init() - Perform common x86 interrupt init
  *