diff --git a/Documentation/dev-internal/release.md b/Documentation/dev-internal/release.md
index 8cec2c830db..bbe34fa548a 100644
--- a/Documentation/dev-internal/release.md
+++ b/Documentation/dev-internal/release.md
@@ -79,8 +79,8 @@ The following commands are used for public release sign:
 
 ```
 cd release
-for i in etcd-*{.zip,.tar.gz,.aci}; do gpg2 --default-key $SUBKEYID --armor --output ${i}.asc --detach-sign ${i}; done
-for i in etcd-*{.zip,.tar.gz,.aci}; do gpg2 --verify ${i}.asc ${i}; done
+for i in etcd-*{.zip,.tar.gz}; do gpg2 --default-key $SUBKEYID --armor --output ${i}.asc --detach-sign ${i}; done
+for i in etcd-*{.zip,.tar.gz}; do gpg2 --verify ${i}.asc ${i}; done
 
 # sign zipped source code files
 wget https://github.com/coreos/etcd/archive/${VERSION}.zip
@@ -99,7 +99,7 @@ The public key for GPG signing can be found at [CoreOS Application Signing Key](
 
 - Set release title as the version name.
 - Follow the format of previous release pages.
-- Attach the generated binaries, aci image and signatures.
+- Attach the generated binaries and signatures.
 - Select whether it is a pre-release.
 - Publish the release!
 
diff --git a/scripts/build-aci b/scripts/build-aci
deleted file mode 100755
index 60f7c4cb3ef..00000000000
--- a/scripts/build-aci
+++ /dev/null
@@ -1,84 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-
-BINARYDIR=${BINARYDIR:-bin}
-BUILDDIR=${BUILDDIR:-bin}
-
-# A non-installed acbuild can be used, for example:
-# ACBUILD=../../appc/acbuild/bin/acbuild
-ACBUILD=${ACBUILD:-acbuild}
-
-VERSION=$1
-
-go2aci() {
-	case "${1}" in
-		"arm64") echo "aarch64";;
-		*) echo "${1}";;
-	esac
-}
-
-if ! command -v "${ACBUILD}" >/dev/null; then
-    echo "acbuild ($ACBUILD) is not executable"
-    exit 1
-fi
-
-if [ ! -x "${BINARYDIR}"/etcd ] ; then
-    echo "$BINARYDIR/etcd not found. Is it compiled?"
-    exit 1
-fi
-
-if [ -z "$VERSION" ] ; then
-    echo "Usage: scripts/build-aci VERSION"
-    exit 1
-fi
-
-acbuild --debug begin
-
-TMPHOSTS="$(mktemp)"
-ACI_ARCH=$(go2aci "${GOARCH}")
-
-acbuildEnd() {
-    rm "$TMPHOSTS"
-    export EXIT=$?
-    acbuild --debug end && exit $EXIT
-}
-trap acbuildEnd EXIT
-
-cat <<DF > "$TMPHOSTS"
-127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
-DF
-
-acbuild --debug set-name coreos.com/etcd
-acbuild --debug annotation add appc.io/executor/supports-systemd-notify true
-
-acbuild --debug copy "${BINARYDIR}"/etcd /usr/local/bin/etcd
-acbuild --debug copy "${BINARYDIR}"/etcdctl /usr/local/bin/etcdctl
-
-acbuild --debug copy README.md README.md
-acbuild --debug copy etcdctl/README.md README-etcdctl.md
-acbuild --debug copy etcdctl/READMEv2.md READMEv2-etcdctl.md
-acbuild --debug copy-to-dir Documentation .
-
-acbuild --debug environment add ETCD_DATA_DIR /var/lib/etcd
-acbuild --debug mount add data-dir /var/lib/etcd
-
-acbuild --debug label add version "$VERSION"
-
-acbuild --debug set-exec -- /usr/local/bin/etcd
-
-acbuild --debug port add client tcp 2379
-acbuild --debug port add peer tcp 2380
-
-acbuild --debug copy "$TMPHOSTS" /etc/hosts
-
-acbuild --debug label add arch "${ACI_ARCH}"
-
-# mkdir default data-dir
-mkdir -p .acbuild/currentaci/rootfs/var/lib/etcd
-
-# symlinks for backward-compatibility
-ln -s ./usr/local/bin/etcd .acbuild/currentaci/rootfs/etcd
-ln -s ./usr/local/bin/etcdctl .acbuild/currentaci/rootfs/etcdctl
-
-acbuild --debug write --overwrite "${BUILDDIR}/etcd-${1}-linux-${ACI_ARCH}.aci"
diff --git a/scripts/release.sh b/scripts/release.sh
index 0310586a036..eacc2023b8b 100755
--- a/scripts/release.sh
+++ b/scripts/release.sh
@@ -27,12 +27,6 @@ pushd "${ETCD_ROOT}" >/dev/null
 	echo Building etcd binary...
 	./scripts/build-binary "${VERSION}"
 
-	# ppc64le not yet supported by acbuild.
-	for TARGET_ARCH in "amd64" "arm64"; do
-		echo Building ${TARGET_ARCH} aci image...
-		GOARCH=${TARGET_ARCH} BINARYDIR=release/etcd-${VERSION}-linux-${TARGET_ARCH} BUILDDIR=release ./scripts/build-aci "${VERSION}"
-	done
-
 	for TARGET_ARCH in "amd64" "arm64" "ppc64le"; do
 		echo Building ${TARGET_ARCH} docker image...
 		GOARCH=${TARGET_ARCH} BINARYDIR=release/etcd-${VERSION}-linux-${TARGET_ARCH} BUILDDIR=release ./scripts/build-docker "${VERSION}"