diff --git a/webpack.config.js b/webpack.config.js
index e9fc58c..5d82061 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -99,9 +99,6 @@ module.exports = (env) => {
       }),
       new webpack.DefinePlugin({
         "process.env.DOCKER_HOST": JSON.stringify(process.env.DOCKER_HOST),
-        "process.env.LIBRARY_SOCKET_HOST": JSON.stringify(
-          process.env.LIBRARY_SOCKET_HOST,
-        ),
       }),
       new MiniCssExtractPlugin({
         filename: "./css/[name].css",