diff --git a/.dockerignore b/.dockerignore
deleted file mode 100644
index e41e483c5..000000000
--- a/.dockerignore
+++ /dev/null
@@ -1,4 +0,0 @@
-# exclude all files and folders except bin folder
-!bin
-.idea/
-.vscode/
diff --git a/.env b/.env
deleted file mode 100644
index e9af73c67..000000000
--- a/.env
+++ /dev/null
@@ -1,2 +0,0 @@
-DATA_PATH=./tmp
-KUBESPHERE_LOG_LEVEL=debug
diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index e69de29bb..000000000
diff --git a/PROJECT b/PROJECT
deleted file mode 100644
index 1c26ab18a..000000000
--- a/PROJECT
+++ /dev/null
@@ -1,3 +0,0 @@
-version: "1"
-domain: kubesphere.io
-repo: kubesphere.io/kubesphere
diff --git a/doc.go b/doc.go
deleted file mode 100644
index d010de1a7..000000000
--- a/doc.go
+++ /dev/null
@@ -1,6 +0,0 @@
-// Copyright 2017 The OpenPitrix Authors. All rights reserved.
-// Use of this source code is governed by a Apache license
-// that can be found in the LICENSE file.
-
-// Package openpitrix provides the best Paas and Iaas platform.
-package kubesphere