diff --git a/plat/rockchip/rk3399/drivers/dram/dram_spec_timing.c b/plat/rockchip/rk3399/drivers/dram/dram_spec_timing.c
index 3cdb7a296..76bc5ee96 100644
--- a/plat/rockchip/rk3399/drivers/dram/dram_spec_timing.c
+++ b/plat/rockchip/rk3399/drivers/dram/dram_spec_timing.c
@@ -778,7 +778,7 @@ static void lpddr3_get_parameter(struct timing_related_config *timing_config,
 	else if (twr_tmp <= 8)
 		twr_tmp = 8;
 	else if (twr_tmp <= 12)
-		twr_tmp = twr_tmp;
+		; /* do nothing */
 	else if (twr_tmp <= 14)
 		twr_tmp = 14;
 	else