diff --git a/sdk_container/src/third_party/coreos-overlay/net-misc/ena-driver/ena-driver-2.9.1.ebuild b/sdk_container/src/third_party/coreos-overlay/net-misc/ena-driver/ena-driver-2.9.1.ebuild
index eb8ed95258..64758602b6 100644
--- a/sdk_container/src/third_party/coreos-overlay/net-misc/ena-driver/ena-driver-2.9.1.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/net-misc/ena-driver/ena-driver-2.9.1.ebuild
@@ -12,8 +12,13 @@ SRC_URI="https://github.com/amzn/amzn-drivers/archive/ena_linux_${PV}.tar.gz ->
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~amd64 ~arm64"
+IUSE="+builtin"
 
 BDEPEND="app-arch/unzip"
+DEPEND="builtin? ( sys-kernel/coreos-sources:= )
+	!!>${CATEGORY}/${PF}
+	!!<${CATEGORY}/${PF}
+"
 
 S="${WORKDIR}/amzn-drivers-ena_linux_${PV}/kernel/linux/ena"
 
@@ -24,8 +29,53 @@ DOCS=(
 	ENA_Linux_Best_Practices.rst
 )
 
+pkg_setup() {
+	if use builtin; then
+		return
+	fi
+	linux-mod-r1_pkg_setup
+}
+
 src_compile() {
+	if use builtin; then
+		return
+	fi
 	local modlist=( ena=net )
-	local modargs=( CONFIG_MODULE_SIG=n BUILD_KERNEL="${KV_FULL}" )
+	local modargs=( CONFIG_MODULE_SIG=n KERNEL_BUILD_DIR="${KV_OUT_DIR}" )
 	linux-mod-r1_src_compile
 }
+
+src_install() {
+	if use builtin; then
+		sed -i \
+		  -e 's|ENA_COM_PATH=.*|ENA_COM_PATH=ena_com|' \
+		  -e 's|$(src)|$(srctree)/$(src)|' Makefile
+		dodir /usr/src
+		insinto /usr/src/"${PF}"
+		doins -r "."
+
+		insinto /usr/src/"${PF}"/ena_com
+		doins -r "../common/ena_com/."
+
+		return
+	fi
+	linux-mod-r1_src_install
+}
+
+pkg_postinst() {
+	if use builtin; then
+		mv ${EROOT}/usr/src/linux/drivers/net/ethernet/amazon/{ena,ena.orig}
+		ln -s ../../../../../"${PF}" ${EROOT}/usr/src/linux/drivers/net/ethernet/amazon/ena
+		return
+	fi
+	linux-mod-r1_pkg_postinst
+}
+
+pkg_postrm() {
+	if use builtin; then
+		rm -f ${EROOT}/usr/src/linux/drivers/net/ethernet/amazon/ena
+		mv ${EROOT}/usr/src/linux/drivers/net/ethernet/amazon/{ena.orig,ena}
+		return
+	fi
+	linux-mod-r1_pkg_postrm
+}