diff --git a/src/js/package.json b/src/js/package.json
index d9f4074..324fc6b 100644
--- a/src/js/package.json
+++ b/src/js/package.json
@@ -6,7 +6,8 @@
   "type": "module",
   "scripts": {
     "lint": "eslint src",
-    "build": "npm run lint && BUILD_TARGET=production rollup -c && npm run licenses && npm run build:ui",
+    "build": "npm run lint && BUILD_TARGET=production rollup -c && npm run licenses && npm run build:clean && npm run build:ui",
+    "build:clean": "rm -rf ../dev.b263.time-tracker.sdPlugin/actions/track/property-inspector || true; rm -rf ../dev.b263.time-tracker.sdPlugin/external || true",
     "build:ui": "npm run build:ui:external && npm run build:ui:track",
     "build:ui:external": "cd ../ui && npm run build:external && mv dist/external/browser dist/external/external && cp -r dist/external/external ../dev.b263.time-tracker.sdPlugin",
     "build:ui:track": "cd ../ui && npm run build:track && mv dist/action-track-pi/browser dist/action-track-pi/property-inspector && cp -r dist/action-track-pi/property-inspector ../dev.b263.time-tracker.sdPlugin/actions/track",