diff --git a/include/asm-powerpc/mpc85xx.h b/include/asm-powerpc/mpc85xx.h
index ccdb8a2..5414299 100644
--- a/include/asm-powerpc/mpc85xx.h
+++ b/include/asm-powerpc/mpc85xx.h
@@ -31,14 +31,6 @@
 #include <platforms/85xx/mpc85xx_cds.h>
 #endif
 
-#define _IO_BASE        isa_io_base
-#define _ISA_MEM_BASE   isa_mem_base
-#ifdef CONFIG_PCI
-#define PCI_DRAM_OFFSET pci_dram_offset
-#else
-#define PCI_DRAM_OFFSET 0
-#endif
-
 /* Let modules/drivers get at CCSRBAR */
 extern phys_addr_t get_ccsrbar(void);
 
diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h
index a4c411b..b744baf 100644
--- a/include/asm-ppc/io.h
+++ b/include/asm-ppc/io.h
@@ -26,17 +26,11 @@
 
 #if defined(CONFIG_4xx)
 #include <asm/ibm4xx.h>
-#elif defined(CONFIG_PPC_MPC52xx)
-#include <asm/mpc52xx.h>
 #elif defined(CONFIG_8xx)
 #include <asm/mpc8xx.h>
 #elif defined(CONFIG_8260)
 #include <asm/mpc8260.h>
-#elif defined(CONFIG_83xx)
-#include <asm/mpc83xx.h>
-#elif defined(CONFIG_85xx)
-#include <asm/mpc85xx.h>
-#elif defined(CONFIG_APUS)
+#elif defined(CONFIG_APUS) || !defined(CONFIG_PCI)
 #define _IO_BASE	0
 #define _ISA_MEM_BASE	0
 #define PCI_DRAM_OFFSET 0
diff --git a/include/asm-ppc/mpc52xx.h b/include/asm-ppc/mpc52xx.h
index 64c8874..d9d21aa 100644
--- a/include/asm-ppc/mpc52xx.h
+++ b/include/asm-ppc/mpc52xx.h
@@ -29,17 +29,6 @@
 #endif /* __ASSEMBLY__ */
 
 
-#ifdef CONFIG_PCI
-#define _IO_BASE	isa_io_base
-#define _ISA_MEM_BASE	isa_mem_base
-#define PCI_DRAM_OFFSET	pci_dram_offset
-#else
-#define _IO_BASE	0
-#define _ISA_MEM_BASE	0
-#define PCI_DRAM_OFFSET	0
-#endif
-
-
 /* ======================================================================== */
 /* PPC Sys devices definition                                               */
 /* ======================================================================== */
diff --git a/include/asm-ppc/mpc83xx.h b/include/asm-ppc/mpc83xx.h
index 02ed2c3..c306197 100644
--- a/include/asm-ppc/mpc83xx.h
+++ b/include/asm-ppc/mpc83xx.h
@@ -25,14 +25,6 @@
 #include <platforms/83xx/mpc834x_sys.h>
 #endif
 
-#define _IO_BASE        isa_io_base
-#define _ISA_MEM_BASE   isa_mem_base
-#ifdef CONFIG_PCI
-#define PCI_DRAM_OFFSET pci_dram_offset
-#else
-#define PCI_DRAM_OFFSET 0
-#endif
-
 /*
  * The "residual" board information structure the boot loader passes
  * into the kernel.
diff --git a/include/asm-ppc/mpc85xx.h b/include/asm-ppc/mpc85xx.h
index 9b48511..d7e4a79 100644
--- a/include/asm-ppc/mpc85xx.h
+++ b/include/asm-ppc/mpc85xx.h
@@ -44,14 +44,6 @@
 #include <platforms/85xx/tqm85xx.h>
 #endif
 
-#define _IO_BASE        isa_io_base
-#define _ISA_MEM_BASE   isa_mem_base
-#ifdef CONFIG_PCI
-#define PCI_DRAM_OFFSET pci_dram_offset
-#else
-#define PCI_DRAM_OFFSET 0
-#endif
-
 /*
  * The "residual" board information structure the boot loader passes
  * into the kernel.