diff --git a/src/false.js b/src/false.js
new file mode 100644
index 0000000..f6b439d
--- /dev/null
+++ b/src/false.js
@@ -0,0 +1 @@
+module.exports = false
diff --git a/webpack.config.babel.js b/webpack.config.babel.js
index 9ba1a60..17e6180 100644
--- a/webpack.config.babel.js
+++ b/webpack.config.babel.js
@@ -38,10 +38,13 @@ const bundleExtensionConfig = {
     modules: [
       path.resolve('./src'),
       'node_modules'
-    ]
+    ],
+    alias: {
+      fs: require.resolve('./src/false.js')
+    }
   },
 
-  externals: ['request', 'fs', 'tidy-html5', 'image-size'],
+  externals: ['request', 'tidy-html5', 'image-size'],
 
   plugins: [],
   devtool: 'source-map',