diff --git a/arch/x86/mm/pageattr_64.c b/arch/x86/mm/pageattr_64.c
index e1c860800ff..0246511be99 100644
--- a/arch/x86/mm/pageattr_64.c
+++ b/arch/x86/mm/pageattr_64.c
@@ -9,14 +9,6 @@
 #include <linux/slab.h>
 #include <linux/mm.h>
 
-void clflush_cache_range(void *addr, int size)
-{
-	int i;
-
-	for (i = 0; i < size; i += boot_cpu_data.x86_clflush_size)
-		clflush(addr+i);
-}
-
 #include <asm/processor.h>
 #include <asm/tlbflush.h>
 #include <asm/sections.h>