diff --git a/configs/roc-pc-mezzanine-rk3399_defconfig b/configs/roc-pc-mezzanine-rk3399_defconfig
index f15dddc..c87a856 100644
--- a/configs/roc-pc-mezzanine-rk3399_defconfig
+++ b/configs/roc-pc-mezzanine-rk3399_defconfig
@@ -53,6 +53,7 @@
 CONFIG_REGULATOR_PWM=y
 CONFIG_REGULATOR_RK8XX=y
 CONFIG_PWM_ROCKCHIP=y
+# CONFIG_RAM_ROCKCHIP_DEBUG is not set
 CONFIG_RAM_RK3399_LPDDR4=y
 CONFIG_DM_RESET=y
 CONFIG_BAUDRATE=1500000
diff --git a/configs/roc-pc-rk3399_defconfig b/configs/roc-pc-rk3399_defconfig
index 9ffde7f..601f5c6 100644
--- a/configs/roc-pc-rk3399_defconfig
+++ b/configs/roc-pc-rk3399_defconfig
@@ -50,6 +50,7 @@
 CONFIG_REGULATOR_PWM=y
 CONFIG_REGULATOR_RK8XX=y
 CONFIG_PWM_ROCKCHIP=y
+# CONFIG_RAM_ROCKCHIP_DEBUG is not set
 CONFIG_RAM_RK3399_LPDDR4=y
 CONFIG_DM_RESET=y
 CONFIG_BAUDRATE=1500000