import os
import datetime
from pathlib import Path


def delete_files_older_than_one_day(directory):
    current_time = datetime.datetime.now()

    for entry in os.scandir(directory):
        if entry.is_file():
            file_path = Path(entry)
            file_name = file_path.name
            file_modified_time = datetime.datetime.fromtimestamp(file_path.stat().st_mtime)
            time_difference = current_time - file_modified_time
            if time_difference.days > 1  and "placeholder" not in file_name:
                file_path.unlink()
                print(f"Deleted file: {file_path}")