Removing a submodule is useful when it is no longer required. The steps below outline the removal of a submodule.

• Delete the section referring to the submodule from the .gitmodules file
• Stage the changes via git add .gitmodules
• Delete the relevant section of the submodule from .git/config.
• Run git rm --cached path_to_submodule (no trailing slash)
• Run rm -rf .git/modules/path_to_submodule
• Commit the changes with ```git commit -m "Removed submodule "
• Delete the now untracked submodule files rm -rf path_to_submodule

• Stackoverflow — How do I remove a submodule
• git.wiki.kernel.org — Git submodule removal