diff --git a/packages/xo-common/.babelrc.js b/packages/xo-common/.babelrc.js
deleted file mode 100644
index 3a9c8ad3d..000000000
--- a/packages/xo-common/.babelrc.js
+++ /dev/null
@@ -1,3 +0,0 @@
-'use strict'
-
-module.exports = require('../../@xen-orchestra/babel-config')(require('./package.json'))
diff --git a/packages/xo-common/.eslintrc.js b/packages/xo-common/.eslintrc.js
deleted file mode 120000
index fdeb2788a..000000000
--- a/packages/xo-common/.eslintrc.js
+++ /dev/null
@@ -1 +0,0 @@
-../../scripts/babel-eslintrc.js
\ No newline at end of file
diff --git a/packages/xo-common/api-errors.js b/packages/xo-common/api-errors.js
index b31c1a377..4fee4bc37 100644
--- a/packages/xo-common/api-errors.js
+++ b/packages/xo-common/api-errors.js
@@ -1,3 +1,216 @@
 'use strict'
 
-module.exports = require('./dist/api-errors')
+const { BaseError } = require('make-error')
+const { iteratee } = require('lodash')
+
+class XoError extends BaseError {
+  constructor({ code, message, data }) {
+    super(message)
+    this.code = code
+    this.data = data
+  }
+
+  toJsonRpcError() {
+    return {
+      message: this.message,
+      code: this.code,
+      data: this.data,
+    }
+  }
+}
+
+const create = (code, getProps) => {
+  const factory = (...args) => {
+    const props = getProps(...args)
+    props.code = code
+    throw new XoError(props)
+  }
+  factory.is = (error, predicate) => error.code === code && (predicate === undefined || iteratee(predicate)(error.data))
+
+  return factory
+}
+
+// =============================================================================
+
+exports.notImplemented = create(0, () => ({
+  message: 'not implemented',
+}))
+
+exports.noSuchObject = create(1, (id, type) => ({
+  data: { id, type },
+  message: `no such ${type || 'object'} ${id}`,
+}))
+
+exports.unauthorized = create(2, (permission, objectId, objectType) => ({
+  data: {
+    permission,
+    object: {
+      id: objectId,
+      type: objectType,
+    },
+  },
+  message: 'not enough permissions',
+}))
+
+exports.invalidCredentials = create(3, () => ({
+  message: 'invalid credentials',
+}))
+
+// Deprecated alreadyAuthenticated (4)
+
+exports.forbiddenOperation = create(5, (operation, reason) => ({
+  data: { operation, reason },
+  message: `forbidden operation: ${operation}`,
+}))
+
+// Deprecated GenericError (6)
+
+exports.noHostsAvailable = create(7, () => ({
+  message: 'no hosts available',
+}))
+
+exports.authenticationFailed = create(8, () => ({
+  message: 'authentication failed',
+}))
+
+exports.serverUnreachable = create(9, objectId => ({
+  data: {
+    objectId,
+  },
+  message: 'server unreachable',
+}))
+
+exports.invalidParameters = create(10, (message, errors) => {
+  if (Array.isArray(message)) {
+    errors = message
+    message = undefined
+  }
+
+  return {
+    data: { errors },
+    message: message || 'invalid parameters',
+  }
+})
+
+exports.vmMissingPvDrivers = create(11, ({ vm }) => ({
+  data: {
+    objectId: vm,
+  },
+  message: 'missing PV drivers',
+}))
+
+exports.vmIsTemplate = create(12, ({ vm }) => ({
+  data: {
+    objectId: vm,
+  },
+  message: 'VM is a template',
+}))
+
+exports.vmBadPowerState = create(13, ({ vm, expected, actual }) => ({
+  data: {
+    objectId: vm,
+    expected,
+    actual,
+  },
+  message: `VM state is ${actual} but should be ${expected}`,
+}))
+
+exports.vmLacksFeature = create(14, ({ vm, feature }) => ({
+  data: {
+    objectId: vm,
+    feature,
+  },
+  message: `VM lacks feature ${feature || ''}`,
+}))
+
+exports.notSupportedDuringUpgrade = create(15, () => ({
+  message: 'not supported during upgrade',
+}))
+
+exports.objectAlreadyExists = create(16, ({ objectId, objectType }) => ({
+  data: {
+    objectId,
+    objectType,
+  },
+  message: `${objectType || 'object'} already exists`,
+}))
+
+exports.vdiInUse = create(17, ({ vdi, operation }) => ({
+  data: {
+    objectId: vdi,
+    operation,
+  },
+  message: 'VDI in use',
+}))
+
+exports.hostOffline = create(18, ({ host }) => ({
+  data: {
+    objectId: host,
+  },
+  message: 'host offline',
+}))
+
+exports.operationBlocked = create(19, ({ objectId, code }) => ({
+  data: {
+    objectId,
+    code,
+  },
+  message: 'operation blocked',
+}))
+
+exports.patchPrecheckFailed = create(20, ({ errorType, patch }) => ({
+  data: {
+    objectId: patch,
+    errorType,
+  },
+  message: `patch precheck failed: ${errorType}`,
+}))
+
+exports.operationFailed = create(21, ({ objectId, code }) => ({
+  data: {
+    objectId,
+    code,
+  },
+  message: 'operation failed',
+}))
+
+exports.missingAuditRecord = create(22, ({ id, nValid }) => ({
+  data: {
+    id,
+    nValid,
+  },
+  message: 'missing record',
+}))
+
+exports.alteredAuditRecord = create(23, ({ id, record, nValid }) => ({
+  data: {
+    id,
+    record,
+    nValid,
+  },
+  message: 'altered record',
+}))
+
+exports.notEnoughResources = create(24, data => ({
+  data, // [{ resourceSet, resourceType, available, requested }]
+  message: 'not enough resources in resource set',
+}))
+
+exports.incorrectState = create(25, ({ actual, expected, object, property }) => ({
+  data: {
+    actual,
+    expected,
+    object,
+    property,
+  },
+  message: 'incorrect state',
+}))
+
+exports.featureUnauthorized = create(26, ({ featureCode, currentPlan, minPlan }) => ({
+  data: {
+    featureCode,
+    currentPlan,
+    minPlan,
+  },
+  message: 'feature Unauthorized',
+}))
diff --git a/packages/xo-common/package.json b/packages/xo-common/package.json
index 1fdcf63ef..f1188830d 100644
--- a/packages/xo-common/package.json
+++ b/packages/xo-common/package.json
@@ -15,10 +15,6 @@
     "name": "Vates SAS",
     "url": "https://vates.fr"
   },
-  "preferGlobal": false,
-  "browserslist": [
-    "> 1%"
-  ],
   "engines": {
     "node": ">=6"
   },
@@ -26,21 +22,7 @@
     "lodash": "^4.16.6",
     "make-error": "^1.2.1"
   },
-  "devDependencies": {
-    "@babel/cli": "^7.0.0",
-    "@babel/core": "^7.0.0",
-    "@babel/preset-env": "^7.0.0",
-    "babel-plugin-lodash": "^3.3.2",
-    "cross-env": "^7.0.2",
-    "rimraf": "^3.0.0"
-  },
   "scripts": {
-    "build": "cross-env NODE_ENV=production babel --source-maps --out-dir=dist/ src/",
-    "clean": "rimraf dist/",
-    "dev": "cross-env NODE_ENV=development babel --watch --source-maps --out-dir=dist/ src/",
-    "prebuild": "yarn run clean",
-    "predev": "yarn run prebuild",
-    "prepublishOnly": "yarn run build",
     "postversion": "npm publish"
   }
 }
diff --git a/packages/xo-common/src/api-errors.js b/packages/xo-common/src/api-errors.js
deleted file mode 100644
index 3aea6eb30..000000000
--- a/packages/xo-common/src/api-errors.js
+++ /dev/null
@@ -1,210 +0,0 @@
-import { BaseError } from 'make-error'
-import { iteratee } from 'lodash'
-
-class XoError extends BaseError {
-  constructor({ code, message, data }) {
-    super(message)
-    this.code = code
-    this.data = data
-  }
-
-  toJsonRpcError() {
-    return {
-      message: this.message,
-      code: this.code,
-      data: this.data,
-    }
-  }
-}
-
-const create = (code, getProps) => {
-  const factory = (...args) => new XoError({ ...getProps(...args), code })
-  factory.is = (error, predicate) => error.code === code && (predicate === undefined || iteratee(predicate)(error.data))
-
-  return factory
-}
-
-// =============================================================================
-
-export const notImplemented = create(0, () => ({
-  message: 'not implemented',
-}))
-
-export const noSuchObject = create(1, (id, type) => ({
-  data: { id, type },
-  message: `no such ${type || 'object'} ${id}`,
-}))
-
-export const unauthorized = create(2, (permission, objectId, objectType) => ({
-  data: {
-    permission,
-    object: {
-      id: objectId,
-      type: objectType,
-    },
-  },
-  message: 'not enough permissions',
-}))
-
-export const invalidCredentials = create(3, () => ({
-  message: 'invalid credentials',
-}))
-
-// Deprecated alreadyAuthenticated (4)
-
-export const forbiddenOperation = create(5, (operation, reason) => ({
-  data: { operation, reason },
-  message: `forbidden operation: ${operation}`,
-}))
-
-// Deprecated GenericError (6)
-
-export const noHostsAvailable = create(7, () => ({
-  message: 'no hosts available',
-}))
-
-export const authenticationFailed = create(8, () => ({
-  message: 'authentication failed',
-}))
-
-export const serverUnreachable = create(9, objectId => ({
-  data: {
-    objectId,
-  },
-  message: 'server unreachable',
-}))
-
-export const invalidParameters = create(10, (message, errors) => {
-  if (Array.isArray(message)) {
-    errors = message
-    message = undefined
-  }
-
-  return {
-    data: { errors },
-    message: message || 'invalid parameters',
-  }
-})
-
-export const vmMissingPvDrivers = create(11, ({ vm }) => ({
-  data: {
-    objectId: vm,
-  },
-  message: 'missing PV drivers',
-}))
-
-export const vmIsTemplate = create(12, ({ vm }) => ({
-  data: {
-    objectId: vm,
-  },
-  message: 'VM is a template',
-}))
-
-export const vmBadPowerState = create(13, ({ vm, expected, actual }) => ({
-  data: {
-    objectId: vm,
-    expected,
-    actual,
-  },
-  message: `VM state is ${actual} but should be ${expected}`,
-}))
-
-export const vmLacksFeature = create(14, ({ vm, feature }) => ({
-  data: {
-    objectId: vm,
-    feature,
-  },
-  message: `VM lacks feature ${feature || ''}`,
-}))
-
-export const notSupportedDuringUpgrade = create(15, () => ({
-  message: 'not supported during upgrade',
-}))
-
-export const objectAlreadyExists = create(16, ({ objectId, objectType }) => ({
-  data: {
-    objectId,
-    objectType,
-  },
-  message: `${objectType || 'object'} already exists`,
-}))
-
-export const vdiInUse = create(17, ({ vdi, operation }) => ({
-  data: {
-    objectId: vdi,
-    operation,
-  },
-  message: 'VDI in use',
-}))
-
-export const hostOffline = create(18, ({ host }) => ({
-  data: {
-    objectId: host,
-  },
-  message: 'host offline',
-}))
-
-export const operationBlocked = create(19, ({ objectId, code }) => ({
-  data: {
-    objectId,
-    code,
-  },
-  message: 'operation blocked',
-}))
-
-export const patchPrecheckFailed = create(20, ({ errorType, patch }) => ({
-  data: {
-    objectId: patch,
-    errorType,
-  },
-  message: `patch precheck failed: ${errorType}`,
-}))
-
-export const operationFailed = create(21, ({ objectId, code }) => ({
-  data: {
-    objectId,
-    code,
-  },
-  message: 'operation failed',
-}))
-
-export const missingAuditRecord = create(22, ({ id, nValid }) => ({
-  data: {
-    id,
-    nValid,
-  },
-  message: 'missing record',
-}))
-
-export const alteredAuditRecord = create(23, ({ id, record, nValid }) => ({
-  data: {
-    id,
-    record,
-    nValid,
-  },
-  message: 'altered record',
-}))
-
-export const notEnoughResources = create(24, data => ({
-  data, // [{ resourceSet, resourceType, available, requested }]
-  message: 'not enough resources in resource set',
-}))
-
-export const incorrectState = create(25, ({ actual, expected, object, property }) => ({
-  data: {
-    actual,
-    expected,
-    object,
-    property,
-  },
-  message: 'incorrect state',
-}))
-
-export const featureUnauthorized = create(26, ({ featureCode, currentPlan, minPlan }) => ({
-  data: {
-    featureCode,
-    currentPlan,
-    minPlan,
-  },
-  message: 'feature Unauthorized',
-}))