diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-4.2.0-r1.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-4.2.0-r2.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-4.2.0-r1.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-4.2.0-r2.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/amd64_defconfig-4.2 b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/amd64_defconfig-4.2
index cdd492a73b..209bb4a942 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/amd64_defconfig-4.2
+++ b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/amd64_defconfig-4.2
@@ -96,8 +96,6 @@ CONFIG_KEXEC_BZIMAGE_VERIFY_SIG=y
 CONFIG_CRASH_DUMP=y
 CONFIG_KEXEC_JUMP=y
 CONFIG_PHYSICAL_ALIGN=0x1000000
-CONFIG_CMDLINE_BOOL=y
-CONFIG_CMDLINE="init=/usr/lib/systemd/systemd rootflags=rw mount.usrflags=ro"
 CONFIG_HIBERNATION=y
 # CONFIG_ACPI_AC is not set
 # CONFIG_ACPI_BATTERY is not set
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/arm64_defconfig-4.2 b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/arm64_defconfig-4.2
index 1eb2b3bef4..2f8948a982 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/arm64_defconfig-4.2
+++ b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/arm64_defconfig-4.2
@@ -58,7 +58,6 @@ CONFIG_TRANSPARENT_HUGEPAGE=y
 CONFIG_CMA=y
 CONFIG_SECCOMP=y
 CONFIG_KEXEC=y
-CONFIG_CMDLINE="console=ttyAMA0"
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_COMPAT=y
 CONFIG_CPU_IDLE=y