diff --git a/aiohttp/client.py b/aiohttp/client.py
index dcbdd23dfd4..dd55e6e615d 100644
--- a/aiohttp/client.py
+++ b/aiohttp/client.py
@@ -383,9 +383,9 @@ def __init_subclass__(cls: type["ClientSession"]) -> None:
             f"Inheritance class {cls.__name__} from ClientSession " "is forbidden"
         )
 
-    def __del__(self, _warnings: Any = warnings) -> None:
+    def __del__(self, warnings_warn: Any = warnings.warn) -> None:
         if not self.closed:
-            _warnings.warn(
+            warnings_warn(
                 f"Unclosed client session {self!r}",
                 ResourceWarning,
                 source=self,
diff --git a/aiohttp/client_reqrep.py b/aiohttp/client_reqrep.py
index 0d6f435b6e5..a6b4845ec6b 100644
--- a/aiohttp/client_reqrep.py
+++ b/aiohttp/client_reqrep.py
@@ -352,7 +352,7 @@ def content_disposition(self) -> ContentDisposition | None:
         filename = multipart.content_disposition_filename(params)
         return ContentDisposition(disposition_type, params, filename)
 
-    def __del__(self, _warnings: Any = warnings) -> None:
+    def __del__(self, warnings_warn: Any = warnings.warn) -> None:
         if self._closed:
             return
 
@@ -361,7 +361,7 @@ def __del__(self, _warnings: Any = warnings) -> None:
             self._cleanup_writer()
 
             if self._loop.get_debug():
-                _warnings.warn(
+                warnings_warn(
                     f"Unclosed response {self!r}", ResourceWarning, source=self
                 )
                 context = {"client_response": self, "message": "Unclosed response"}
diff --git a/aiohttp/connector.py b/aiohttp/connector.py
index 0b6081f8e08..92b0382b8ac 100644
--- a/aiohttp/connector.py
+++ b/aiohttp/connector.py
@@ -132,11 +132,9 @@ def __init__(
     def __repr__(self) -> str:
         return f"Connection<{self._key}>"
 
-    def __del__(self, _warnings: Any = warnings) -> None:
+    def __del__(self, warnings_warn: Any = warnings.warn) -> None:
         if self._protocol is not None:
-            _warnings.warn(
-                f"Unclosed connection {self!r}", ResourceWarning, source=self
-            )
+            warnings_warn(f"Unclosed connection {self!r}", ResourceWarning, source=self)
             if self._loop.is_closed():
                 return