diff --git a/docs/Developer-Guide.md b/docs/Developer-Guide.md
index 65b3a7a8b..dcb88d49a 100644
--- a/docs/Developer-Guide.md
+++ b/docs/Developer-Guide.md
@@ -627,7 +627,7 @@ the following steps (using rootfs or initrd image).
 >
 > Look for `INIT_PROCESS=systemd` in the `config.sh` osbuilder rootfs config file
 > to verify an osbuilder distro supports systemd for the distro you want to build rootfs for.
-> For an example, see the [Clear Linux config.sh file](../tools/osbuilder/rootfs-builder/clearlinux/config.sh).
+> For an example, see the [Ubuntu config.sh file](../tools/osbuilder/rootfs-builder/ubuntu/config.sh).
 >
 > For a non-systemd-based distro, create an equivalent system
 > service using that distro’s init system syntax. Alternatively, you can build a distro
diff --git a/docs/design/architecture/guest-assets.md b/docs/design/architecture/guest-assets.md
index 24d0d8027..6efe58c71 100644
--- a/docs/design/architecture/guest-assets.md
+++ b/docs/design/architecture/guest-assets.md
@@ -135,7 +135,7 @@ See also the [process overview](README.md#process-overview).
 
 | Image type | Default distro | Init daemon | Reason | Notes |
 |-|-|-|-|-|
-| [image](background.md#root-filesystem-image) | [Clear Linux](https://clearlinux.org) (for x86_64 systems)| systemd | Minimal and highly optimized | systemd offers flexibility |
+| [image](background.md#root-filesystem-image) | [Ubuntu](https://ubuntu.com) (for x86_64 systems) | systemd | Fully tested in our CI |  systemd offers flexibility |
 | [initrd](#initrd-image) | [Alpine Linux](https://alpinelinux.org) | Kata [agent](README.md#agent) (as no systemd support) | Security hardened and tiny C library |
 
 See also:
diff --git a/tools/osbuilder/README.md b/tools/osbuilder/README.md
index 9415de74e..d86ecc144 100644
--- a/tools/osbuilder/README.md
+++ b/tools/osbuilder/README.md
@@ -80,7 +80,7 @@ filesystem components to generate an initrd.
 3. When generating an image, the initrd is extracted to obtain the base rootfs for
 the image.
 
-Ubuntu is the default distro for building the rootfs, to use a different one, you can set `DISTRO=alpine|clearlinux|debian|ubuntu|cbl-mariner`.
+Ubuntu is the default distro for building the rootfs, to use a different one, you can set `DISTRO=alpine|debian|ubuntu|cbl-mariner`.
 For example `make USE_DOCKER=true DISTRO=alpine rootfs` will make an Alpine rootfs using Docker.
 
 ### Rootfs creation
diff --git a/tools/osbuilder/rootfs-builder/clearlinux/Dockerfile.in b/tools/osbuilder/rootfs-builder/clearlinux/Dockerfile.in
deleted file mode 100644
index ac5b0ff74..000000000
--- a/tools/osbuilder/rootfs-builder/clearlinux/Dockerfile.in
+++ /dev/null
@@ -1,40 +0,0 @@
-#
-# Copyright (c) 2018 Intel Corporation
-#
-# SPDX-License-Identifier: Apache-2.0
-
-ARG IMAGE_REGISTRY=docker.io
-FROM ${IMAGE_REGISTRY}/fedora:30
-
-@SET_PROXY@
-
-RUN dnf -y update && dnf install -y \
-    autoconf \
-    automake \
-    binutils \
-    chrony \
-    coreutils \
-    curl \
-    curl \
-    gcc \
-    gcc-c++ \
-    git \
-    glibc-common \
-    glibc-devel \
-    glibc-headers \
-    glibc-static \
-    glibc-utils \
-    libstdc++-devel \
-    libstdc++-static \
-    m4 \
-    make \
-    pkgconfig \
-    sed \
-    systemd \
-    tar \
-    vim \
-    which && \
-    dnf clean all
-
-# This will install the proper packages to build Kata components
-@INSTALL_RUST@
diff --git a/tools/osbuilder/rootfs-builder/clearlinux/config.sh b/tools/osbuilder/rootfs-builder/clearlinux/config.sh
deleted file mode 100644
index e447407ac..000000000
--- a/tools/osbuilder/rootfs-builder/clearlinux/config.sh
+++ /dev/null
@@ -1,31 +0,0 @@
-#
-# Copyright (c) 2018 Intel Corporation
-#
-# SPDX-License-Identifier: Apache-2.0
-
-OS_NAME="Clear"
-REPO_NAME="clear"
-
-OS_VERSION=${OS_VERSION:-latest}
-
-clr_url="https://download.clearlinux.org"
-
-# resolve version
-[ "${OS_VERSION}" = "latest" ] && OS_VERSION=$(curl -sL "${clr_url}/latest")
-
-BASE_URL="${clr_url}/releases/${OS_VERSION}/${REPO_NAME}/${ARCH}/os/"
-
-PACKAGES="libudev0-shim kmod-bin iptables-bin"
-
-#Optional packages:
-# systemd: An init system that will start kata-agent if kata-agent
-#          itself is not configured as init process.
-[ "$AGENT_INIT" = "no" ] && PACKAGES+=" systemd chrony util-linux-bin" || true
-
-# Init process must be one of {systemd,kata-agent}
-INIT_PROCESS=systemd
-# List of zero or more architectures to exclude from build,
-# as reported by  `uname -m`
-ARCH_EXCLUDE_LIST=( aarch64 ppc64le s390x )
-
-[ "$SECCOMP" = "yes" ] && PACKAGES+=" libseccomp" || true
diff --git a/tools/osbuilder/rootfs-builder/rootfs.sh b/tools/osbuilder/rootfs-builder/rootfs.sh
index 04a855a0c..c7e4a3c90 100755
--- a/tools/osbuilder/rootfs-builder/rootfs.sh
+++ b/tools/osbuilder/rootfs-builder/rootfs.sh
@@ -795,9 +795,6 @@ detect_host_distro()
 		"*suse*")
 			distro="suse"
 			;;
-		"clear-linux-os")
-			distro="clearlinux"
-			;;
 		*)
 			distro="$ID"
 			;;
diff --git a/tools/osbuilder/tests/test_config.sh b/tools/osbuilder/tests/test_config.sh
index 611cd2c43..eb2dc231d 100644
--- a/tools/osbuilder/tests/test_config.sh
+++ b/tools/osbuilder/tests/test_config.sh
@@ -12,7 +12,6 @@ for distro in $(${sdir}/../rootfs-builder/rootfs.sh -l); do
 	distros+=("${distro}")
 done
 test_distros=()
-test_distros+=("clearlinux")
 test_distros+=("ubuntu")
 
 skipForRustDistros=()