You can always replace the branches with tags (git tag failed-branch-mybranch mybranch && git branch -D mybranch). That way, you still will have access to the u

You can always replace the branches with tags (git tag failed-branch-mybranch mybranch && git branch -D mybranch). That way, you still will have access to the unmerged commits later, but your list of branches is clean. Your tags will bloat up, but I personally don't go through my tags nearly as often as my branches.