diff --git a/jenkins.sh b/jenkins.sh
index 4e4b7fbbe..f60bec38b 100755
--- a/jenkins.sh
+++ b/jenkins.sh
@@ -17,7 +17,7 @@ npm install
 npm run test
 
 # build our artifacts; dumps them in ./vector
-npm run build
+npm run build:dev
 
 # gzip up ./vector
 rm vector-*.tar.gz || true # rm previous artifacts without failing if it doesn't exist
diff --git a/package.json b/package.json
index fa92ba9dd..6c85f552e 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,9 @@
     "build:css": "catw \"src/skins/vector/css/**/*.css\" -o vector/components.css --no-watch",
     "build:compile": "babel --source-maps -d lib src",
     "build:bundle": "NODE_ENV=production webpack -p lib/vector/index.js vector/bundle.js",
+    "build:bundle:dev": "webpack --optimize-occurence-order lib/vector/index.js vector/bundle.js",
     "build": "npm run build:css && npm run build:compile && npm run build:bundle",
+    "build:dev": "npm run build:css && npm run build:compile && npm run build:bundle:dev",
     "package": "scripts/package.sh",
     "start:js": "webpack -w src/vector/index.js vector/bundle.js",
     "start:js:prod": "NODE_ENV=production webpack -w src/vector/index.js vector/bundle.js",