How to permanently delete a file stored in GIT? [duplicate]

Answer 1

You can also use bfg for ease.

The BFG is a simpler, faster alternative to git-filter-branch for cleansing bad data out of your Git repository history:

Removing Crazy Big Files Removing Passwords, Credentials & other Private data

$ bfg --delete-files YOUR-FILE-WITH-SENSITIVE-DATA

Or just replace all the occurrences of some file:

$ bfg --replace-text passwords.txt

check https://rtyley.github.io/bfg-repo-cleaner/ and https://help.github.com/articles/removing-sensitive-data-from-a-repository/