diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..a0162f8
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,13 @@
+{
+  "name": "mt-plugin-shared-preview",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "mt-plugin-shared-preview",
+      "version": "1.0.0",
+      "license": "MIT"
+    }
+  }
+}
diff --git a/package.json b/package.json
index 975c747..7044988 100644
--- a/package.json
+++ b/package.json
@@ -2,14 +2,10 @@
   "name": "mt-plugin-shared-preview",
   "version": "1.0.0",
   "main": "index.js",
-  "repository": "git@github.com:movabletype/mt-plugin-shared-preview.git",
-  "author": "Six Apart Ltd.",
-  "license": "MIT",
-  "scripts": {
-    "copy": "yarn copy-mt7-style-guide-css",
-    "copy-mt7-style-guide-css": "cp -rf node_modules/mt7-style-guide/dist/css/mt.* mt-static/css/"
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/movabletype/mt-plugin-shared-preview.git"
   },
-  "dependencies": {
-    "mt7-style-guide": "git+ssh://git@github.com:movabletype/mt7-style-guide.git"
-  }
+  "author": "Six Apart Ltd.",
+  "license": "MIT"
 }
diff --git a/yarn.lock b/yarn.lock
deleted file mode 100644
index 5ae18b9..0000000
--- a/yarn.lock
+++ /dev/null
@@ -1,69 +0,0 @@
-# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
-# yarn lockfile v1
-
-
-async@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/async/-/async-1.0.0.tgz#f8fc04ca3a13784ade9e1641af98578cfbd647a9"
-  integrity sha1-+PwEyjoTeErenhZBr5hXjPvWR6k=
-
-bootstrap@~4.3.1:
-  version "4.3.1"
-  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-4.3.1.tgz#280ca8f610504d99d7b6b4bfc4b68cec601704ac"
-  integrity sha512-rXqOmH1VilAt2DyPzluTi2blhk17bO7ef+zLLPlWvG494pDxcM234pJ8wTc/6R40UWizAIIMgxjvxZg5kmsbag==
-
-colors@1.0.x:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/colors/-/colors-1.0.3.tgz#0433f44d809680fdeb60ed260f1b0c262e82a40b"
-  integrity sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs=
-
-cycle@1.0.x:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/cycle/-/cycle-1.0.3.tgz#21e80b2be8580f98b468f379430662b046c34ad2"
-  integrity sha1-IegLK+hYD5i0aPN5QwZisEbDStI=
-
-eyes@0.1.x:
-  version "0.1.8"
-  resolved "https://registry.yarnpkg.com/eyes/-/eyes-0.1.8.tgz#62cf120234c683785d902348a800ef3e0cc20bc0"
-  integrity sha1-Ys8SAjTGg3hdkCNIqADvPgzCC8A=
-
-isstream@0.1.x:
-  version "0.1.2"
-  resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
-  integrity sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=
-
-"mt7-style-guide@git+ssh://git@github.com:movabletype/mt7-style-guide.git":
-  version "1.0.0"
-  resolved "git+ssh://git@github.com:movabletype/mt7-style-guide.git#6fedd8b63a0be709db800848558dc57b515ff950"
-  dependencies:
-    bootstrap "~4.3.1"
-    winston "^2.3.1"
-    xpath "0.0.24"
-    yarn "^1.22.0"
-
-stack-trace@0.0.x:
-  version "0.0.10"
-  resolved "https://registry.yarnpkg.com/stack-trace/-/stack-trace-0.0.10.tgz#547c70b347e8d32b4e108ea1a2a159e5fdde19c0"
-  integrity sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA=
-
-winston@^2.3.1:
-  version "2.4.4"
-  resolved "https://registry.yarnpkg.com/winston/-/winston-2.4.4.tgz#a01e4d1d0a103cf4eada6fc1f886b3110d71c34b"
-  integrity sha512-NBo2Pepn4hK4V01UfcWcDlmiVTs7VTB1h7bgnB0rgP146bYhMxX0ypCz3lBOfNxCO4Zuek7yeT+y/zM1OfMw4Q==
-  dependencies:
-    async "~1.0.0"
-    colors "1.0.x"
-    cycle "1.0.x"
-    eyes "0.1.x"
-    isstream "0.1.x"
-    stack-trace "0.0.x"
-
-xpath@0.0.24:
-  version "0.0.24"
-  resolved "https://registry.yarnpkg.com/xpath/-/xpath-0.0.24.tgz#1ade162e1cc523c8d39fc7d06afc16ea216f29fb"
-  integrity sha1-Gt4WLhzFI8jTn8fQavwW6iFvKfs=
-
-yarn@^1.22.0:
-  version "1.22.0"
-  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.22.0.tgz#acf82906e36bcccd1ccab1cfb73b87509667c881"
-  integrity sha512-KMHP/Jq53jZKTY9iTUt3dIVl/be6UPs2INo96+BnZHLKxYNTfwMmlgHTaMWyGZoO74RI4AIFvnWhYrXq2USJkg==