diff --git a/arch/nds32/lib/board.c b/arch/nds32/lib/board.c
index 7121313a83af800f478584701ff7366b8f844185..f5de26678a625484ea4c55f620feab3d97a50f91 100644
--- a/arch/nds32/lib/board.c
+++ b/arch/nds32/lib/board.c
@@ -301,7 +301,6 @@ void board_init_f(ulong bootflag)
  */
 void board_init_r(gd_t *id, ulong dest_addr)
 {
-	char *s;
 	bd_t *bd;
 	ulong malloc_start;