diff --git a/app/package.json b/app/package.json
index d56fef326..157d4153d 100644
--- a/app/package.json
+++ b/app/package.json
@@ -68,7 +68,6 @@
     "safer-buffer": "^2.1.2",
     "sass": "^1.53.0",
     "sass-loader": "^12.6.0",
-    "siyuan-petal": "^0.7.1",
     "typescript": "^4.7.4",
     "webpack": "^5.73.0",
     "webpack-bundle-analyzer": "^4.5.0",
diff --git a/app/pnpm-lock.yaml b/app/pnpm-lock.yaml
index 82cde98b3..bb5fa9837 100644
--- a/app/pnpm-lock.yaml
+++ b/app/pnpm-lock.yaml
@@ -75,9 +75,6 @@ devDependencies:
   sass-loader:
     specifier: ^12.6.0
     version: 12.6.0(sass@1.53.0)(webpack@5.73.0)
-  siyuan-petal:
-    specifier: ^0.7.1
-    version: 0.7.1
   typescript:
     specifier: ^4.7.4
     version: 4.7.4
@@ -3416,10 +3413,6 @@ packages:
       totalist: 1.1.0
     dev: true
 
-  /siyuan-petal@0.7.1:
-    resolution: {integrity: sha512-jUxQrK83T2AMgADOQJe5W6rqbtkO3oHLGx/oaTec69JvyYfABVjARV0YxX4daKhgMl9lykdT1fLyYxg2YDV4Mw==}
-    dev: true
-
   /slash@3.0.0:
     resolution: {integrity: sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==}
     engines: {node: '>=8'}
diff --git a/app/src/API.ts b/app/src/API.ts
deleted file mode 100644
index dd0966624..000000000
--- a/app/src/API.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-class SiYuanAPI {
-
-    static openFile() {
-        // openFileById()
-    }
-}
-
-export default SiYuanAPI;
diff --git a/app/webpack.api.js b/app/webpack.api.js
deleted file mode 100644
index d7b39366f..000000000
--- a/app/webpack.api.js
+++ /dev/null
@@ -1,72 +0,0 @@
-const path = require("path");
-const webpack = require("webpack");
-const pkg = require("./package.json");
-const {CleanWebpackPlugin} = require("clean-webpack-plugin");
-// const BundleAnalyzerPlugin = require("webpack-bundle-analyzer").BundleAnalyzerPlugin;
-const {EsbuildPlugin} = require("esbuild-loader");
-
-module.exports = (env, argv) => {
-    return {
-        mode: argv.mode || "development",
-        watch: argv.mode !== "production",
-        devtool: argv.mode !== "production" ? "eval" : false,
-        output: {
-            publicPath: "",
-            filename: "[name].js",
-            path: path.resolve(__dirname, "stage/build/api"),
-            libraryTarget: "umd",
-            library: "SiYuanAPI",
-            libraryExport: "default",
-        },
-        entry: {
-            "api": "./src/api.ts",
-        },
-        optimization: {
-            minimize: true,
-            minimizer: [
-                new EsbuildPlugin({target: "es6"}),
-            ],
-        },
-        resolve: {
-            fallback: {
-                "path": require.resolve("path-browserify"),
-            },
-            extensions: [".ts", ".js", ".scss"],
-        },
-        module: {
-            rules: [
-                {
-                    test: /\.ts(x?)$/,
-                    include: [path.resolve(__dirname, "src")],
-                    use: [
-                        {
-                            loader: "esbuild-loader",
-                            options: {
-                                target: "es6",
-                            }
-                        },
-                        {
-                            loader: "ifdef-loader",
-                            options: {
-                                "ifdef-verbose": false,
-                                BROWSER: true,
-                                MOBILE: true,
-                            },
-                        },
-                    ],
-                }
-            ],
-        },
-        plugins: [
-            // new BundleAnalyzerPlugin(),
-            new CleanWebpackPlugin({
-                cleanOnceBeforeBuildPatterns: [
-                    path.join(__dirname, "stage/build/api")],
-            }),
-            new webpack.DefinePlugin({
-                NODE_ENV: JSON.stringify(argv.mode),
-                SIYUAN_VERSION: JSON.stringify(pkg.version),
-            }),
-        ],
-    };
-};