diff --git a/src/northbridge/intel/x4x/iomap.h b/src/northbridge/intel/x4x/iomap.h
index d016cf7..22a675f 100644
--- a/src/northbridge/intel/x4x/iomap.h
+++ b/src/northbridge/intel/x4x/iomap.h
@@ -8,7 +8,6 @@
 #define DEFAULT_EPBAR		0xfed19000	/* 4 KB */
 #define DEFAULT_HECIBAR		0xfed10000
 
-#define TPMBASE 0xfed40000
-#define TPM32(x) (*((volatile u32 *)(TPMBASE + (x))))
+#define TPM_BASE_ADDRESS	0xfed40000
 
 #endif /* X4X_IOMAP_H */