diff --git a/arch/arm/cpu/cache.c b/arch/arm/cpu/cache.c
index 34d3090..7b161d5 100644
--- a/arch/arm/cpu/cache.c
+++ b/arch/arm/cpu/cache.c
@@ -4,8 +4,6 @@
 #include <asm/cache.h>
 #include <asm/system_info.h>
 
-int arm_architecture;
-
 struct cache_fns {
 	void (*dma_clean_range)(unsigned long start, unsigned long end);
 	void (*dma_flush_range)(unsigned long start, unsigned long end);
diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c
index e733ec4..d7d1f0e 100644
--- a/arch/arm/cpu/mmu.c
+++ b/arch/arm/cpu/mmu.c
@@ -64,8 +64,6 @@
 	);
 }
 
-extern int arm_architecture;
-
 #define PTE_FLAGS_CACHED_V7 (PTE_EXT_TEX(1) | PTE_BUFFERABLE | PTE_CACHEABLE)
 #define PTE_FLAGS_UNCACHED_V7 (0)
 #define PTE_FLAGS_CACHED_V4 (PTE_SMALL_AP_UNO_SRW | PTE_BUFFERABLE | PTE_CACHEABLE)