def remove_default_theme_entries(entries: dict[str, Any]) -> None:
        """
        Remove theme-related entries from the configuration dictionary if the theme is one of the default themes.

        :param entries:     The configuration dictionary.
        :return: None
        """
        if not COLOR_SCHEMES:
            return
        all_theme_keys = set()
        for theme in COLOR_SCHEMES.values():
            all_theme_keys.update(theme.keys())

        for entry_name in list(entries):
            if entry_name in all_theme_keys:
                del entries[entry_name]

        Remove theme-related entries from the configuration dictionary if the theme is one of the default themes.

        :param entries:     The configuration dictionary.
        :return: None
        
angrmanagement/config/config_manager.py