diff --git a/lib/pipeline/pipeline.js b/lib/pipeline/pipeline.js
index f5051ea8..4b9170d6 100644
--- a/lib/pipeline/pipeline.js
+++ b/lib/pipeline/pipeline.js
@@ -99,7 +99,6 @@ class Pipeline {
                   function runWebpack(next) {
                     let built = false;
                     const webpackProcess = new ProcessLauncher({
-                      env: self.env,
                       modulePath: utils.joinPath(__dirname, 'webpackProcess.js'),
                       logger: self.logger,
                       events: self.events,
diff --git a/lib/process/processLauncher.js b/lib/process/processLauncher.js
index 8487e8a4..9c2c1b1d 100644
--- a/lib/process/processLauncher.js
+++ b/lib/process/processLauncher.js
@@ -14,7 +14,6 @@ class ProcessLauncher {
    * @return {ProcessLauncher}    The ProcessLauncher instance
    */
   constructor(options) {
-    this.env = options.env;
     this.name = path.basename(options.modulePath);
     this.process = child_process.fork(options.modulePath);
     this.logger = options.logger;