diff --git a/package.json b/package.json
index 30e6756ca108..d35c17e0f260 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,7 @@
     "clean": {
       "extraPatterns": [
         "build",
+        "build-test-bp",
         "data/optimize",
         "built_assets",
         ".eslintcache",