diff --git a/src/northbridge/intel/common/fixed_bars.h b/src/northbridge/intel/common/fixed_bars.h
index e149d22..e9c63c5 100644
--- a/src/northbridge/intel/common/fixed_bars.h
+++ b/src/northbridge/intel/common/fixed_bars.h
@@ -13,6 +13,16 @@
 #define MCHBAR16(x)	(*((volatile u16 *)((uintptr_t)CONFIG_FIXED_MCHBAR_MMIO_BASE + (x))))
 #define MCHBAR32(x)	(*((volatile u32 *)((uintptr_t)CONFIG_FIXED_MCHBAR_MMIO_BASE + (x))))
 
+#define MCHBAR8_AND(x,  and) (MCHBAR8(x)  = MCHBAR8(x)  & (and))
+#define MCHBAR16_AND(x, and) (MCHBAR16(x) = MCHBAR16(x) & (and))
+#define MCHBAR32_AND(x, and) (MCHBAR32(x) = MCHBAR32(x) & (and))
+#define MCHBAR8_OR(x,  or) (MCHBAR8(x)  = MCHBAR8(x)  | (or))
+#define MCHBAR16_OR(x, or) (MCHBAR16(x) = MCHBAR16(x) | (or))
+#define MCHBAR32_OR(x, or) (MCHBAR32(x) = MCHBAR32(x) | (or))
+#define MCHBAR8_AND_OR(x,  and, or) (MCHBAR8(x)  = (MCHBAR8(x)  & (and)) | (or))
+#define MCHBAR16_AND_OR(x, and, or) (MCHBAR16(x) = (MCHBAR16(x) & (and)) | (or))
+#define MCHBAR32_AND_OR(x, and, or) (MCHBAR32(x) = (MCHBAR32(x) & (and)) | (or))
+
 #define DMIBAR8(x)	(*((volatile u8  *)((uintptr_t)CONFIG_FIXED_DMIBAR_MMIO_BASE + (x))))
 #define DMIBAR16(x)	(*((volatile u16 *)((uintptr_t)CONFIG_FIXED_DMIBAR_MMIO_BASE + (x))))
 #define DMIBAR32(x)	(*((volatile u32 *)((uintptr_t)CONFIG_FIXED_DMIBAR_MMIO_BASE + (x))))
diff --git a/src/northbridge/intel/haswell/haswell.h b/src/northbridge/intel/haswell/haswell.h
index a37238fe..16a4ec4 100644
--- a/src/northbridge/intel/haswell/haswell.h
+++ b/src/northbridge/intel/haswell/haswell.h
@@ -57,16 +57,6 @@
 
 #include <northbridge/intel/common/fixed_bars.h>
 
-#define MCHBAR8_AND(x,  and) (MCHBAR8(x)  = MCHBAR8(x)  & (and))
-#define MCHBAR16_AND(x, and) (MCHBAR16(x) = MCHBAR16(x) & (and))
-#define MCHBAR32_AND(x, and) (MCHBAR32(x) = MCHBAR32(x) & (and))
-#define MCHBAR8_OR(x,  or) (MCHBAR8(x)  = MCHBAR8(x)  | (or))
-#define MCHBAR16_OR(x, or) (MCHBAR16(x) = MCHBAR16(x) | (or))
-#define MCHBAR32_OR(x, or) (MCHBAR32(x) = MCHBAR32(x) | (or))
-#define MCHBAR8_AND_OR(x,  and, or) (MCHBAR8(x)  = (MCHBAR8(x)  & (and)) | (or))
-#define MCHBAR16_AND_OR(x, and, or) (MCHBAR16(x) = (MCHBAR16(x) & (and)) | (or))
-#define MCHBAR32_AND_OR(x, and, or) (MCHBAR32(x) = (MCHBAR32(x) & (and)) | (or))
-
 /* As there are many registers, define them on a separate file */
 #include "registers/mchbar.h"
 
diff --git a/src/northbridge/intel/ironlake/ironlake.h b/src/northbridge/intel/ironlake/ironlake.h
index cfa16a6..3fb1c10 100644
--- a/src/northbridge/intel/ironlake/ironlake.h
+++ b/src/northbridge/intel/ironlake/ironlake.h
@@ -90,15 +90,6 @@
 
 #include <northbridge/intel/common/fixed_bars.h>
 
-#define MCHBAR8_AND(x,  and)		(MCHBAR8(x)  = MCHBAR8(x)  & (and))
-#define MCHBAR16_AND(x, and)		(MCHBAR16(x) = MCHBAR16(x) & (and))
-#define MCHBAR32_AND(x, and)		(MCHBAR32(x) = MCHBAR32(x) & (and))
-#define MCHBAR8_OR(x,  or)		(MCHBAR8(x)  = MCHBAR8(x)  | (or))
-#define MCHBAR16_OR(x, or)		(MCHBAR16(x) = MCHBAR16(x) | (or))
-#define MCHBAR32_OR(x, or)		(MCHBAR32(x) = MCHBAR32(x) | (or))
-#define MCHBAR8_AND_OR(x,  and, or)	(MCHBAR8(x)  = (MCHBAR8(x)  & (and)) | (or))
-#define MCHBAR16_AND_OR(x, and, or)	(MCHBAR16(x) = (MCHBAR16(x) & (and)) | (or))
-#define MCHBAR32_AND_OR(x, and, or)	(MCHBAR32(x) = (MCHBAR32(x) & (and)) | (or))
 /*
  * EPBAR - Egress Port Root Complex Register Block
  */
diff --git a/src/northbridge/intel/pineview/pineview.h b/src/northbridge/intel/pineview/pineview.h
index f2ae1c4..3fb4eff 100644
--- a/src/northbridge/intel/pineview/pineview.h
+++ b/src/northbridge/intel/pineview/pineview.h
@@ -33,16 +33,6 @@
 
 #include <northbridge/intel/common/fixed_bars.h>
 
-#define MCHBAR8_AND(x,  and) (MCHBAR8(x)  = MCHBAR8(x)  & (and))
-#define MCHBAR16_AND(x, and) (MCHBAR16(x) = MCHBAR16(x) & (and))
-#define MCHBAR32_AND(x, and) (MCHBAR32(x) = MCHBAR32(x) & (and))
-#define MCHBAR8_OR(x,   or)  (MCHBAR8(x)  = MCHBAR8(x)  | (or))
-#define MCHBAR16_OR(x,  or)  (MCHBAR16(x) = MCHBAR16(x) | (or))
-#define MCHBAR32_OR(x,  or)  (MCHBAR32(x) = MCHBAR32(x) | (or))
-#define MCHBAR8_AND_OR(x,  and, or) (MCHBAR8(x)  = (MCHBAR8(x)  & (and)) | (or))
-#define MCHBAR16_AND_OR(x, and, or) (MCHBAR16(x) = (MCHBAR16(x) & (and)) | (or))
-#define MCHBAR32_AND_OR(x, and, or) (MCHBAR32(x) = (MCHBAR32(x) & (and)) | (or))
-
 /* As there are many registers, define them on a separate file */
 
 #include "mchbar_regs.h"
diff --git a/src/northbridge/intel/sandybridge/sandybridge.h b/src/northbridge/intel/sandybridge/sandybridge.h
index 63b51b0..1a92745 100644
--- a/src/northbridge/intel/sandybridge/sandybridge.h
+++ b/src/northbridge/intel/sandybridge/sandybridge.h
@@ -39,16 +39,6 @@
 
 #include <northbridge/intel/common/fixed_bars.h>
 
-#define MCHBAR8_AND(x,  and) (MCHBAR8(x)  = MCHBAR8(x)  & (and))
-#define MCHBAR16_AND(x, and) (MCHBAR16(x) = MCHBAR16(x) & (and))
-#define MCHBAR32_AND(x, and) (MCHBAR32(x) = MCHBAR32(x) & (and))
-#define MCHBAR8_OR(x,  or) (MCHBAR8(x)  = MCHBAR8(x)  | (or))
-#define MCHBAR16_OR(x, or) (MCHBAR16(x) = MCHBAR16(x) | (or))
-#define MCHBAR32_OR(x, or) (MCHBAR32(x) = MCHBAR32(x) | (or))
-#define MCHBAR8_AND_OR(x,  and, or) (MCHBAR8(x)  = (MCHBAR8(x)  & (and)) | (or))
-#define MCHBAR16_AND_OR(x, and, or) (MCHBAR16(x) = (MCHBAR16(x) & (and)) | (or))
-#define MCHBAR32_AND_OR(x, and, or) (MCHBAR32(x) = (MCHBAR32(x) & (and)) | (or))
-
 /* As there are many registers, define them on a separate file */
 #include "registers/mchbar.h"
 
diff --git a/src/northbridge/intel/x4x/x4x.h b/src/northbridge/intel/x4x/x4x.h
index c1177f0..0c0e605 100644
--- a/src/northbridge/intel/x4x/x4x.h
+++ b/src/northbridge/intel/x4x/x4x.h
@@ -46,16 +46,6 @@
 
 #include <northbridge/intel/common/fixed_bars.h>
 
-#define MCHBAR8_AND(x,  and) (MCHBAR8(x)  = MCHBAR8(x)  & (and))
-#define MCHBAR16_AND(x, and) (MCHBAR16(x) = MCHBAR16(x) & (and))
-#define MCHBAR32_AND(x, and) (MCHBAR32(x) = MCHBAR32(x) & (and))
-#define MCHBAR8_OR(x,  or) (MCHBAR8(x)  = MCHBAR8(x)  | (or))
-#define MCHBAR16_OR(x, or) (MCHBAR16(x) = MCHBAR16(x) | (or))
-#define MCHBAR32_OR(x, or) (MCHBAR32(x) = MCHBAR32(x) | (or))
-#define MCHBAR8_AND_OR(x,  and, or) (MCHBAR8(x)  = (MCHBAR8(x)  & (and)) | (or))
-#define MCHBAR16_AND_OR(x, and, or) (MCHBAR16(x) = (MCHBAR16(x) & (and)) | (or))
-#define MCHBAR32_AND_OR(x, and, or) (MCHBAR32(x) = (MCHBAR32(x) & (and)) | (or))
-
 #define CHDECMISC	0x111
 #define STACKED_MEM	(1 << 1)