diff --git a/sys/arm/at91/kb920x_machdep.c b/sys/arm/at91/kb920x_machdep.c
index 32ecc9d96323..f05161aa578a 100644
--- a/sys/arm/at91/kb920x_machdep.c
+++ b/sys/arm/at91/kb920x_machdep.c
@@ -116,8 +116,6 @@ struct pv_addr kernel_pt_table[NUM_KERNEL_PTS];
 
 extern void *_end;
 
-extern vm_offset_t sa1_cache_clean_addr;
-
 extern int *end;
 
 struct pcpu __pcpu;