diff --git a/litestar/handlers/http_handlers/base.py b/litestar/handlers/http_handlers/base.py
index b97db1b217..b9c11461e5 100644
--- a/litestar/handlers/http_handlers/base.py
+++ b/litestar/handlers/http_handlers/base.py
@@ -7,6 +7,7 @@
 
 from litestar._layers.utils import narrow_response_cookies, narrow_response_headers
 from litestar.connection import Request
+from litestar.datastructures import CacheControlHeader, ETag, FormMultiDict
 from litestar.datastructures.cookie import Cookie
 from litestar.datastructures.response_header import ResponseHeader
 from litestar.enums import HttpMethod, MediaType
@@ -18,7 +19,6 @@
 )
 from litestar.handlers.base import BaseRouteHandler
 from litestar.handlers.http_handlers._utils import (
-    cleanup_temporary_files,
     create_data_handler,
     create_generic_asgi_response_handler,
     create_response_handler,
@@ -65,7 +65,6 @@
     from litestar.app import Litestar
     from litestar.background_tasks import BackgroundTask, BackgroundTasks
     from litestar.config.response_cache import CACHE_FOREVER
-    from litestar.datastructures import CacheControlHeader, ETag
     from litestar.dto import AbstractDTO
     from litestar.openapi.datastructures import ResponseSpec
     from litestar.openapi.spec import SecurityRequirement
@@ -683,7 +682,7 @@ async def handle(self, connection: Request[Any, Any, Any]) -> None:
                 await after_response_handler(connection)
         finally:
             if (form_data := ScopeState.from_scope(connection.scope).form) is not Empty:
-                await cleanup_temporary_files(form_data=cast("dict[str, Any]", form_data))
+                await FormMultiDict.from_form_data(form_data).close()
 
     async def _get_response_for_request(
         self,
diff --git a/litestar/routes/http.py b/litestar/routes/http.py
index 88352f14c7..f2c8977c8e 100644
--- a/litestar/routes/http.py
+++ b/litestar/routes/http.py
@@ -1,13 +1,8 @@
 from __future__ import annotations
 
-from typing import Iterable
-from typing import TYPE_CHECKING, Any
+from typing import TYPE_CHECKING, Iterable
 
-from msgspec.msgpack import decode as _decode_msgpack_plain
-
-from litestar.enums import HttpMethod, MediaType
-from litestar.exceptions import ClientException, ImproperlyConfiguredException, SerializationException
-from litestar.response import Response
+from litestar.exceptions import ImproperlyConfiguredException
 from litestar.routes.base import BaseRoute
 from litestar.types import HTTPScope