diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h b/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h
index fab8332fe1ad..3c89e625e620 100644
--- a/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h
+++ b/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h
@@ -22,7 +22,7 @@ struct ppc64_tlb_batch {
 };
 DECLARE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch);
 
-extern void __flush_tlb_pending(struct ppc64_tlb_batch *batch);
+void __flush_tlb_pending(struct ppc64_tlb_batch *batch);
 
 #define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
 
@@ -51,14 +51,13 @@ static inline void arch_leave_lazy_mmu_mode(void)
 
 #define arch_flush_lazy_mmu_mode()      do {} while (0)
 
-extern void hash__tlbiel_all(unsigned int action);
+void hash__tlbiel_all(unsigned int action);
 
-extern void flush_hash_page(unsigned long vpn, real_pte_t pte, int psize,
-			    int ssize, unsigned long flags);
-extern void flush_hash_range(unsigned long number, int local);
-extern void flush_hash_hugepage(unsigned long vsid, unsigned long addr,
-				pmd_t *pmdp, unsigned int psize, int ssize,
-				unsigned long flags);
+void flush_hash_page(unsigned long vpn, real_pte_t pte, int psize, int ssize,
+		     unsigned long flags);
+void flush_hash_range(unsigned long number, int local);
+void flush_hash_hugepage(unsigned long vsid, unsigned long addr, pmd_t *pmdp,
+			 unsigned int psize, int ssize, unsigned long flags);
 static inline void hash__local_flush_tlb_mm(struct mm_struct *mm)
 {
 }
@@ -111,11 +110,11 @@ static inline void hash__flush_tlb_kernel_range(unsigned long start,
 
 
 struct mmu_gather;
-extern void hash__tlb_flush(struct mmu_gather *tlb);
+void hash__tlb_flush(struct mmu_gather *tlb);
 
 #ifdef CONFIG_PPC_64S_HASH_MMU
 /* Private function for use by PCI IO mapping code */
-extern void __flush_hash_table_range(unsigned long start, unsigned long end);
+void __flush_hash_table_range(unsigned long start, unsigned long end);
 void flush_hash_table_pmd_range(struct mm_struct *mm, pmd_t *pmd, unsigned long addr);
 #else
 static inline void __flush_hash_table_range(unsigned long start, unsigned long end) { }
diff --git a/arch/powerpc/include/asm/nohash/tlbflush.h b/arch/powerpc/include/asm/nohash/tlbflush.h
index bdaf34ad41ea..0cef5e4f8d92 100644
--- a/arch/powerpc/include/asm/nohash/tlbflush.h
+++ b/arch/powerpc/include/asm/nohash/tlbflush.h
@@ -28,8 +28,7 @@ struct mm_struct;
 
 #define MMU_NO_CONTEXT      	((unsigned int)-1)
 
-extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
-			    unsigned long end);
+void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
 
 #ifdef CONFIG_PPC_8xx
 static inline void local_flush_tlb_mm(struct mm_struct *mm)
@@ -55,19 +54,18 @@ static inline void flush_tlb_kernel_range(unsigned long start, unsigned long end
 		asm volatile ("sync; tlbia; isync" : : : "memory");
 }
 #else
-extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
-extern void local_flush_tlb_mm(struct mm_struct *mm);
-extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
+void flush_tlb_kernel_range(unsigned long start, unsigned long end);
+void local_flush_tlb_mm(struct mm_struct *mm);
+void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
 
-extern void __local_flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr,
-				   int tsize, int ind);
+void __local_flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr,
+			    int tsize, int ind);
 #endif
 
 #ifdef CONFIG_SMP
-extern void flush_tlb_mm(struct mm_struct *mm);
-extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
-extern void __flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr,
-			     int tsize, int ind);
+void flush_tlb_mm(struct mm_struct *mm);
+void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
+void __flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, int tsize, int ind);
 #else
 #define flush_tlb_mm(mm)		local_flush_tlb_mm(mm)
 #define flush_tlb_page(vma,addr)	local_flush_tlb_page(vma,addr)
