Alternatively, instead of pruning your obsolete local remote-tracking branches through git fetch -p, you can avoid making the extra network operation by just manually removing the branch(es) with the --remote or -r flags:

Alternatively, instead of pruning your obsolete local remote-tracking branches through git fetch -p, you can avoid making the extra network operation by just manually removing the branch(es) with the --remotes or -r flags:

The Short Answers

The Long Answer: there are 3 different branches to delete!

When you're dealing with deleting branches both locally and remotely, keep in mind that there are 3 different branches involved:

Additional Details

If you didn't delete your remote branch X from the command line (like above), then your local repo will still contain (a now obsolete) remote-tracking branch origin/X. This can happen if you deleted a remote branch directly through GitHub's web interface, for example.

The short answers

The long answer: there are three different branches to delete!

When you're dealing with deleting branches both locally and remotely, keep in mind that there are three different branches involved:

Additional details

If you didn't delete your remote branch X from the command line (like above), then your local repository will still contain (a now obsolete) remote-tracking branch origin/X. This can happen if you deleted a remote branch directly through GitHub's web interface, for example.

git branch --delete <branch>
git branch -d <branch> # Shorter version
git branch -D <branch> # Force delete un-merged branches

git branch --delete --remotes <remote>/<branch>
git branch -dr <remote>/<branch> # Shorter

git fetch <remote> --prune # Delete multiple obsolete tracking branches
git fetch <remote> -p      # Shorter

git branch --delete <branch>
git branch -d <branch> # Shorter version
git branch -D <branch> # Force-delete un-merged branches

git branch --delete --remotes <remote>/<branch>
git branch -dr <remote>/<branch> # Shorter

git fetch <remote> --prune # Delete multiple obsolete remote-tracking branches
git fetch <remote> -p      # Shorter