diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index ba949a2c93ac..ccf56ac92de5 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -97,7 +97,9 @@ int pcibios_unmap_io_space(struct pci_bus *bus)
 	 * to do an appropriate TLB flush here too
 	 */
 	if (bus->self) {
+#ifdef CONFIG_PPC_STD_MMU_64
 		struct resource *res = bus->resource[0];
+#endif
 
 		pr_debug("IO unmapping for PCI-PCI bridge %s\n",
 			 pci_name(bus->self));
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 2ec1eaed19ca..c930ac38e59f 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1172,7 +1172,7 @@ unsigned long arch_randomize_brk(struct mm_struct *mm)
 	unsigned long base = mm->brk;
 	unsigned long ret;
 
-#ifdef CONFIG_PPC64
+#ifdef CONFIG_PPC_STD_MMU_64
 	/*
 	 * If we are using 1TB segments and we are allowed to randomise
 	 * the heap, we can put it above 1TB so it is backed by a 1TB
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 797ea95aae2e..04f638d82fb3 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -57,7 +57,6 @@
 #include <asm/cache.h>
 #include <asm/page.h>
 #include <asm/mmu.h>
-#include <asm/mmu-hash64.h>
 #include <asm/firmware.h>
 #include <asm/xmon.h>
 #include <asm/udbg.h>