Based on Erik Aybar's 'Git Tip: Deleting Old Local Branches', this snippet will delete all local branches which are tracking remote branches which are gone meanwhile, for example because they already got merged.

.git-prune-orphaned-tracking-branches.ps1

git branch -vv|select-string "\[origin/(.*): gone\]"|%{$_.matches.groups[1].value}|%{git branch -D $_}

README.md

Description

This example can be used as is. Just copy and paste it to your Powershell and it will delete all local orphaned tracking branches.

References

• Erik Aybar: Git Tip: Deleting Old Local Branches