diff --git a/.gitpod.yml b/.gitpod.yml
index 3b57611b..ddb79476 100644
--- a/.gitpod.yml
+++ b/.gitpod.yml
@@ -5,7 +5,6 @@ tasks:
       yarn
       pm2 start mongod
       pm2 start "MINIO_ACCESS_KEY=hydro MINIO_SECRET_KEY=hydrohydro minio server /home/gitpod/file" --name minio
-      pm2 start "/home/gitpod/.cargo/bin/sonic -c /home/gitpod/.cargo/registry/src/github.com-1ecc6299db9ec823/sonic-server-1.3.0/config.cfg" --name sonic
       yarn build:ui
       npx hydrooj cli system set server.port 2333
       npx hydrooj cli user create root@hydro.local root rootroot 2
diff --git a/.yarnrc.yml b/.yarnrc.yml
index 835d3058..dc3e331c 100644
--- a/.yarnrc.yml
+++ b/.yarnrc.yml
@@ -2,16 +2,8 @@ nodeLinker: node-modules
 
 npmPublishAccess: public
 
-packageExtensions:
-  koa-body@*:
-    dependencies:
-      "@types/koa": "*"
-      koa: "*"
-
 plugins:
   - path: .yarn/plugins/@yarnpkg/plugin-interactive-tools.cjs
     spec: "@yarnpkg/plugin-interactive-tools"
-  - path: .yarn/plugins/@yarnpkg/plugin-typescript.cjs
-    spec: "@yarnpkg/plugin-typescript"
 
 yarnPath: .yarn/releases/yarn-berry.js
diff --git a/package.json b/package.json
index 88b435b6..0dda284c 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
         "debug": "node --trace-warnings --async-stack-traces --trace-deprecation node_modules/hydrooj/bin/hydrooj --debug --template",
         "start:all": "node build/start",
         "start": "node_modules/.bin/hydrooj",
-        "postinstall": "node build/hack && node build/prepare.js"
+        "postinstall": "node build/hack && node build/prepare.js && rm -rf node_modules/esbuild-loader/node_modules/esbuild"
     },
     "version": "1.0.0",
     "license": "AGPL-3.0-only",