diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 0244c61..fc609d1 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -244,13 +244,7 @@
 /*
  * Function 3 - Misc Control
  */
-#define K8_NBCTL			0x40
-
-/* Correctable ECC error reporting enable */
-#define K8_NBCTL_CECCEn			BIT(0)
-
-/* UnCorrectable ECC error reporting enable */
-#define K8_NBCTL_UECCEn			BIT(1)
+#define NBCTL				0x40
 
 #define K8_NBCFG			0x44
 #define K8_NBCFG_CHIPKILL		BIT(23)