diff --git a/arch/arm64/configs/rockchip_defconfig b/arch/arm64/configs/rockchip_defconfig
index f8da0251e1b7..e0f67e62dbe8 100644
--- a/arch/arm64/configs/rockchip_defconfig
+++ b/arch/arm64/configs/rockchip_defconfig
@@ -1,5 +1,4 @@
 # CONFIG_LOCALVERSION_AUTO is not set
-# CONFIG_CROSS_MEMORY_ATTACH is not set
 # CONFIG_USELIB is not set
 CONFIG_AUDIT=y
 CONFIG_NO_HZ=y