diff --git a/git/repo/base.py b/git/repo/base.py
@@ -520,7 +520,7 @@ def iter_submodules(self, *args: Any, **kwargs: Any) -> Iterator[Submodule]:
        """
        return RootModule(self).traverse(*args, **kwargs)

-    def submodule_update(self, *args: Any, **kwargs: Any) -> Iterator[Submodule]:
        """Update the submodules, keeping the repository consistent as it will
        take the previous state into consideration.