Remove background of pivot
Remove background of pivot


Former-commit-id: f0f1c09c6f0dcdd61789762e0ba9438c8c8ec072 [formerly e176f35e493f17f8586158ede3ca4c3a6155fab6]
Former-commit-id: de20537072d6844b3b93d86a94833f61684a0969 [formerly ba1014f92f43aed0e59c8b6f40b3e8ea711f5cde]
Former-commit-id: cf8f751597ac12ffc6c0e40e0d8dd1d87546523a
Former-commit-id: 6c6b225e481b25386ebb1ee3841041f739693a3e
FSchiltz/RawParser,FSchiltz/RawParser,FSchiltz/RawParser