Revert "Firsi sync"

This reverts commit a5becaeb3587bf2c4bfd010d5f68e67f79710524.
Revert "Revert "Firsi sync""

This reverts commit 8be50844adf842b00b1b6c2c01d50b78a4ca1687.
Revert "Revert "Revert "Firsi sync"""

This reverts commit 16287410bf2bdc2999091d0938bfc7a2451c4c9b.
Revert "Revert "Revert "Revert "Firsi sync""""

This reverts commit f3f783a0650d04e9f3990c32c87a9e08010b9ab0.
Revert "Revert "Revert "Revert "Revert "Firsi sync"""""

This reverts commit e9996b5a0f577250d485f9c141d00645604bc6fd.