I used the bfg-repo-cleaner tool on the repository, followed this usage instruction https://rtyley.github.io/bfg-repo-cleaner/

after this command {{git reflog expire --expire=now --all && git gc --prune=now --aggressive }}

I used git push and my remote git server is updated with former commit id, meaning the push was successfully done. But the size increased which was supposed to reduce my repo size.

from 1 GB to 1.25 GB