diff --git a/ptvp35/__init__.py b/ptvp35/__init__.py
index ba8ec66..e9aba02 100644
--- a/ptvp35/__init__.py
+++ b/ptvp35/__init__.py
@@ -2,7 +2,6 @@ import asyncio
 import json
 import pathlib
 import pickle
-import shutil
 from io import StringIO
 from typing import Any, Optional, IO, Type
 
@@ -81,12 +80,9 @@ class Db:
     __task: Optional[asyncio.Future]
 
     def __init__(self, path: str, *, kvrequest_type: Type[KVRequest], buffersize=1048576):
-        path = str(path)
         self.kvrequest_type = kvrequest_type
         self.buffersize = buffersize
         self.__path = pathlib.Path(path)
-        self.__path_backup = pathlib.Path(path + '.backup')
-        self.__path_recover = pathlib.Path(path + '.recover')
         self.__task = None
 
     def io2db(self, io: IO[str], db: dict) -> int:
@@ -178,19 +174,11 @@ class Db:
             await self._background_cycle()
 
     def _rebuild_file(self, db: {}):
-        if self.__path_recover.exists():
-            shutil.copy(self.__path_backup, self.__path)
-            self.__path_recover.unlink()
-            self.__path_backup.unlink()
         self.__path.touch()
         with open(self.__path) as file:
             self.io2db(file, db)
-        with open(self.__path_backup, "w") as file:
+        with open(self.__path, "w") as file:
             self.__initial_size = self.db2io(db, file)
-        self.__path_recover.touch()
-        shutil.copy(self.__path_backup, self.__path)
-        self.__path_recover.unlink()
-        self.__path_backup.unlink()
 
     def _reload(self):
         self.__file.close()