diff --git a/arch/arm/include/asm/arch-mx35/sys_proto.h b/arch/arm/include/asm/arch-mx35/sys_proto.h
index 422eb520aa..9c0d51321d 100644
--- a/arch/arm/include/asm/arch-mx35/sys_proto.h
+++ b/arch/arm/include/asm/arch-mx35/sys_proto.h
@@ -26,6 +26,5 @@
 
 u32 get_cpu_rev(void);
 #define is_soc_rev(rev)	((get_cpu_rev() & 0xFF) - rev)
-void sdelay(unsigned long);
 
 #endif