diff --git a/configs/chromebook_jerry_defconfig b/configs/chromebook_jerry_defconfig
index a0af6ec6e5d621823a983f40331d2da12926171e..99f6161a0f182dcc139298790b0d3e1844e0f392 100644
--- a/configs/chromebook_jerry_defconfig
+++ b/configs/chromebook_jerry_defconfig
@@ -17,6 +17,7 @@ CONFIG_REGMAP=y
 CONFIG_SPL_REGMAP=y
 CONFIG_SYSCON=y
 CONFIG_SPL_SYSCON=y
+# CONFIG_SPL_SIMPLE_BUS is not set
 CONFIG_CLK=y
 CONFIG_SPL_CLK=y
 CONFIG_ROCKCHIP_GPIO=y
diff --git a/configs/firefly-rk3288_defconfig b/configs/firefly-rk3288_defconfig
index 7d8ca6c0efe247494f060ec89477074750a07467..d8db5329c1328febd0c718e286b514e2baea98d5 100644
--- a/configs/firefly-rk3288_defconfig
+++ b/configs/firefly-rk3288_defconfig
@@ -17,6 +17,7 @@ CONFIG_REGMAP=y
 CONFIG_SPL_REGMAP=y
 CONFIG_SYSCON=y
 CONFIG_SPL_SYSCON=y
+# CONFIG_SPL_SIMPLE_BUS is not set
 CONFIG_CLK=y
 CONFIG_SPL_CLK=y
 CONFIG_ROCKCHIP_GPIO=y