diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index 9027061f0ead..e85c977328da 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -56,7 +56,6 @@ static DEFINE_RAW_SPINLOCK(mips_irq_lock);
 static inline int mips_pcibios_iack(void)
 {
 	int irq;
-	u32 dummy;
 
 	/*
 	 * Determine highest priority pending interrupt by performing
@@ -83,7 +82,7 @@ static inline int mips_pcibios_iack(void)
 		BONITO_PCIMAP_CFG = 0x20000;
 
 		/* Flush Bonito register block */
-		dummy = BONITO_PCIMAP_CFG;
+		(void) BONITO_PCIMAP_CFG;
 		iob();    /* sync */
 
 		irq = __raw_readl((u32 *)_pcictrl_bonito_pcicfg);