git : How to remove a big file wrongly committed

error message:

remote: Resolving deltas: 100% (23/23), completed with 8 local objects.

remote: error: Trace: 2ffe6017a58c483deb760c27365127df2f67946ddad23f7e84f265b42c275992

remote: error: See http://git.io/iEPt8g for more information.

remote: error: File xxxx.ckpt is 206.67 MB; this exceeds GitHub's file size limit of 100.00 MB

remote: error: GH001: Large files detected. You may want to try Git Large File Storage - https://git-lfs.github.com.

solution

git filter-branch --tree-filter 'rm -rf path/to/your/file' HEAD

git push