def drop_unused_cols(stats):
    """Drop unused cols."""
    cols = ['Unnamed: 0', 'Unnamed: 0.1', 'team', 'player',
            'game', 'ast', 'blk', 'dreb', 'fg3_pct', 'fg3a', 'fg3m', 'fg_pct',
            'fga', 'fgm', 'ft_pct', 'fta', 'ftm', 'id', 'min', 'oreb',
            'pf', 'reb', 'stl', 'turnover', 'team_abbreviation',
            'team_city', 'team_conference', 'team_division', 'team_name',
            'player_height_feet', 'player_height_inches', 'player_id',
            'player_position', 'player_team_id', 'player_weight_pounds',
            'game_period', 'game_status',
            'game_time', 'game_visitor_team_id', ]
    stats = stats.drop(columns=cols)
    return stats