diff --git a/src/northbridge/intel/x4x/acpi.c b/src/northbridge/intel/x4x/acpi.c
index fb04fd8582..a91d227c7a 100644
--- a/src/northbridge/intel/x4x/acpi.c
+++ b/src/northbridge/intel/x4x/acpi.c
@@ -25,11 +25,9 @@
 
 unsigned long acpi_fill_mcfg(unsigned long current)
 {
-	struct device *dev;
 	u32 pciexbar = 0;
 	u32 length = 0;
 
-	dev = pcidev_on_root(0, 0);
 	if (!decode_pciebar(&pciexbar, &length))
 		return current;