diff --git a/Dockerfile.dapper b/Dockerfile.dapper
index e45ad563..2cde20f9 100644
--- a/Dockerfile.dapper
+++ b/Dockerfile.dapper
@@ -70,11 +70,13 @@ ARG OS_RELEASES_YML=https://releases.rancher.com/os
 
 ARG OS_SERVICES_REPO=https://raw.githubusercontent.com/${OS_REPO}/os-services
 ARG IMAGE_NAME=${OS_REPO}/os
-ARG DFS_IMAGE=${OS_REPO}/docker:v1.11.2-2
 
 ARG OS_BASE_URL_amd64=https://github.com/rancher/os-base/releases/download/v2018.02.7-1/os-base_amd64.tar.xz
 ARG OS_BASE_URL_arm64=https://github.com/rancher/os-base/releases/download/v2018.02.7-1/os-base_arm64.tar.xz
 
+ARG OS_INITRD_BASE_URL_amd64=https://github.com/niusmallnan/os-initrd-base/releases/download/v2018.02.7-1/os-initrd-base-amd64.tar.gz
+ARG OS_INITRD_BASE_URL_arm64=https://github.com/niusmallnan/os-initrd-base/releases/download/v2018.02.7-1/os-initrd-base-arm64.tar.gz
+
 ARG SYSTEM_DOCKER_VERSION=17.06-ros4
 ARG SYSTEM_DOCKER_URL_amd64=https://github.com/rancher/os-system-docker/releases/download/${SYSTEM_DOCKER_VERSION}/docker-amd64-${SYSTEM_DOCKER_VERSION}.tgz
 ARG SYSTEM_DOCKER_URL_arm64=https://github.com/rancher/os-system-docker/releases/download/${SYSTEM_DOCKER_VERSION}/docker-arm64-${SYSTEM_DOCKER_VERSION}.tgz
@@ -91,7 +93,6 @@ ENV BUILD_DOCKER_URL=BUILD_DOCKER_URL_${ARCH} \
     BUILD_DOCKER_URL_amd64=${BUILD_DOCKER_URL_amd64} \
     BUILD_DOCKER_URL_arm64=${BUILD_DOCKER_URL_arm64} \
     DAPPER_HOST_ARCH=${DAPPER_HOST_ARCH} \
-    DFS_IMAGE=${DFS_IMAGE} \
     DISTRIB_ID=${DISTRIB_ID} \
     DOWNLOADS=/usr/src/downloads \
     GOPATH=/go \
@@ -103,10 +104,12 @@ ENV BUILD_DOCKER_URL=BUILD_DOCKER_URL_${ARCH} \
     KERNEL_URL=KERNEL_URL_${ARCH} \
     KERNEL_URL_amd64=${KERNEL_URL_amd64} \
     KERNEL_URL_arm64=${KERNEL_URL_arm64} \
-    OS_BASE_SHA1=OS_BASE_SHA1_${ARCH} \
     OS_BASE_URL=OS_BASE_URL_${ARCH} \
     OS_BASE_URL_amd64=${OS_BASE_URL_amd64} \
     OS_BASE_URL_arm64=${OS_BASE_URL_arm64} \
+    OS_INITRD_BASE_URL=OS_INITRD_BASE_URL_${ARCH} \
+    OS_INITRD_BASE_URL_amd64=${OS_INITRD_BASE_URL_amd64} \
+    OS_INITRD_BASE_URL_arm64=${OS_INITRD_BASE_URL_arm64} \
     OS_RELEASES_YML=${OS_RELEASES_YML} \
     OS_REPO=${OS_REPO} \
     OS_SERVICES_REPO=${OS_SERVICES_REPO} \
diff --git a/scripts/layout b/scripts/layout
index 3310777b..1c7dbeaf 100755
--- a/scripts/layout
+++ b/scripts/layout
@@ -12,13 +12,6 @@ export ARTIFACTS BUILD INITRD_DIR VERSION
 ./scripts/layout-initrd
 ./scripts/layout-kernel
 
-DFS_ARCH=$(docker create ${DFS_IMAGE}${SUFFIX})
-trap "docker rm -fv ${DFS_ARCH} >/dev/null" EXIT
-docker export ${DFS_ARCH} | tar xf - -C ${INITRD_DIR} --exclude=usr/bin/docker*      \
-                                                      --exclude=usr/share/git-core   \
-                                                      --exclude=usr/bin/git          \
-                                                      --exclude=usr/bin/ssh          \
-                                                      --exclude=usr/libexec          \
-                                                      usr
+curl -sL ${!OS_INITRD_BASE_URL} | tar xzvf - -C ${INITRD_DIR}
 
 ./scripts/hash-initrd