diff --git a/config/aliases/globalReact.js b/config/aliases/globalReact.js
deleted file mode 100644
index e773af67..00000000
--- a/config/aliases/globalReact.js
+++ /dev/null
@@ -1,7 +0,0 @@
-if (!window.React) {
-  throw new Error(
-    'React must be globally set on window for the cozy-bar to use it'
-  )
-}
-
-module.exports = window.React || require('my-react')
diff --git a/config/aliases/globalReactDOM.js b/config/aliases/globalReactDOM.js
deleted file mode 100644
index e037d674..00000000
--- a/config/aliases/globalReactDOM.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = window.ReactDOM || require('my-react-dom')
diff --git a/package.json b/package.json
index 0c89f593..200c1eba 100644
--- a/package.json
+++ b/package.json
@@ -134,8 +134,6 @@
     },
     "moduleNameMapper": {
       "^config/(.*)": "<rootDir>/src/config/$1",
-      "^react$": "<rootDir>/config/aliases/globalReact",
-      "^(react-dom|react-dom/(.*))$": "<rootDir>/config/aliases/globalReactDOM",
       "\\.(png|gif|jpe?g|svg)$": "<rootDir>/test/__mocks__/fileMock.js",
       "\\.styl$": "identity-obj-proxy"
     },