diff --git a/Inbox/safe_path.py b/Inbox/safe_path.py
deleted file mode 100644
index 03e76fe..0000000
--- a/Inbox/safe_path.py
+++ /dev/null
@@ -1,24 +0,0 @@
-import platform
-
-
-def filename(filename):
-    """
-    Replace the characters in file name that are not allowed in current OS
-    :param filename: file name
-    :return: file name which is safe to use in current OS
-    """
-    if platform.system() == 'Linux':
-        safe_filename = filename.replace('/', '-')
-    elif platform.system() == 'Darwin':
-        safe_filename = filename.replace('/', '-').replace(':', '-')
-    else:
-        safe_filename = filename
-        for char in (':', '/', '\\', '|'):
-            safe_filename = safe_filename.replace(char, '-')
-        for char in ('?', '*'):
-            safe_filename = safe_filename.replace(char, '')
-        safe_filename = safe_filename.replace('<', '(')
-        safe_filename = safe_filename.replace('>', ')')
-        safe_filename = safe_filename.replace('"', "'")
-
-    return safe_filename
\ No newline at end of file