diff --git a/dockers/base/Dockerfile b/dockers/base/Dockerfile
deleted file mode 100644
index 8243022757..0000000000
--- a/dockers/base/Dockerfile
+++ /dev/null
@@ -1,18 +0,0 @@
-# syntax = docker/dockerfile:latest
-#
-# Copyright (C) 2019-2024 vdaas.org vald team <vald@vdaas.org>
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# You may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#    https://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-FROM --platform=${TARGETPLATFORM} ubuntu:devel