diff --git a/src/southbridge/amd/amd8111/acpi.c b/src/southbridge/amd/amd8111/acpi.c
index b7348468f3..bfa52241e1 100644
--- a/src/southbridge/amd/amd8111/acpi.c
+++ b/src/southbridge/amd/amd8111/acpi.c
@@ -97,7 +97,6 @@ static void acpi_init(struct device *dev)
 {
 	uint8_t byte;
 	uint16_t pm10_bar;
-	uint32_t dword;
 	int on;
 
 #if 0
@@ -156,7 +155,7 @@ static void acpi_init(struct device *dev)
 	if(on) {
 		pm10_bar = (pci_read_config16(dev, 0x58)&0xff00);
 		outl(((on<<1)+0x10)  ,(pm10_bar + 0x10));
-		dword = inl(pm10_bar + 0x10);
+		inl(pm10_bar + 0x10);
 		on = 8-on;
 		printk(BIOS_DEBUG, "Throttling CPU %2d.%1.1d percent.\n",
 				(on*12)+(on>>1),(on&1)*5);