diff --git a/src/optimize/base_optimizer.js b/src/optimize/base_optimizer.js
index 9280858d9baef1a..7580173c99bcc7d 100644
--- a/src/optimize/base_optimizer.js
+++ b/src/optimize/base_optimizer.js
@@ -20,7 +20,6 @@ const babelExclude = [/[\/\\](webpackShims|node_modules|bower_components)[\/\\]/
 class BaseOptimizer {
   constructor(opts) {
     this.env = opts.env;
-    this.urlBasePath = opts.urlBasePath;
     this.bundles = opts.bundles;
     this.profile = opts.profile || false;
 
@@ -102,7 +101,6 @@ class BaseOptimizer {
         path: this.env.workingDir,
         filename: '[name].bundle.js',
         sourceMapFilename: '[file].map',
-        publicPath: `${this.urlBasePath || ''}/bundles/`,
         devtoolModuleFilenameTemplate: '[absolute-resource-path]'
       },
 
diff --git a/src/ui/index.js b/src/ui/index.js
index 0de674878ed18ca..94ed7229d316a90 100644
--- a/src/ui/index.js
+++ b/src/ui/index.js
@@ -20,7 +20,6 @@ export default async (kbnServer, server, config) => {
 
   const bundlerEnv = new UiBundlerEnv(config.get('optimize.bundleDir'));
   bundlerEnv.addContext('env', config.get('env.name'));
-  bundlerEnv.addContext('urlBasePath', config.get('server.basePath'));
   bundlerEnv.addContext('sourceMaps', config.get('optimize.sourceMaps'));
   bundlerEnv.addContext('kbnVersion', config.get('pkg.version'));
   bundlerEnv.addContext('buildNum', config.get('pkg.buildNum'));