diff --git a/build/packaging/post_build_script.sh b/build/packaging/post_build_script.sh
index fd71b18565..2e5c50c382 100644
--- a/build/packaging/post_build_script.sh
+++ b/build/packaging/post_build_script.sh
@@ -7,4 +7,5 @@
 
 set -eux
 
+rm -rf pip-out/
 echo "This script is run after building ExecuTorch binaries"