diff --git a/arch/mips/jz4740/irq.c b/arch/mips/jz4740/irq.c
index 3ec9087540b4..a2452bb80e1d 100644
--- a/arch/mips/jz4740/irq.c
+++ b/arch/mips/jz4740/irq.c
@@ -27,7 +27,6 @@
 #include <linux/seq_file.h>
 
 #include <asm/io.h>
-#include <asm/mipsregs.h>
 
 #include <asm/mach-jz4740/base.h>
 #include <asm/mach-jz4740/irq.h>
@@ -111,17 +110,6 @@ void __init arch_init_irq(void)
 	setup_irq(2, &jz4740_cascade_action);
 }
 
-asmlinkage void plat_irq_dispatch(void)
-{
-	unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
-	if (pending & STATUSF_IP2)
-		do_IRQ(2);
-	else if (pending & STATUSF_IP3)
-		do_IRQ(3);
-	else
-		spurious_interrupt();
-}
-
 #ifdef CONFIG_DEBUG_FS
 
 static inline void intc_seq_reg(struct seq_file *s, const char *name,