diff --git a/board/shannon/flash.c b/board/shannon/flash.c
index 13c01d8..475b76b 100644
--- a/board/shannon/flash.c
+++ b/board/shannon/flash.c
@@ -315,7 +315,7 @@
  * Copy memory to flash
  */
 
-volatile static int write_word (flash_info_t *info, ulong dest, ulong data)
+static int write_word (flash_info_t *info, ulong dest, ulong data)
 {
     vu_long *addr = (vu_long *)dest;
     ulong result;