Getting rid of '… does not point to a valid object' for an old git branch

Question

I have a fork of a Git repo and my clone appears to have an issue with an old, no longer existant, branch. I keep seeing this message:

error: refs/heads/t_1140

Answer 1

I'm giving my two cents for whoever is using Visual Studio. I had this issue while trying to delete a local branch and running the following command through the command line solved it:

git branch -D