diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py
index aebdfb3e4..2352be0fe 100644
--- a/scrapy/downloadermiddlewares/httpcompression.py
+++ b/scrapy/downloadermiddlewares/httpcompression.py
@@ -135,7 +135,7 @@ class HttpCompressionMiddleware:
                 respcls = responsetypes.from_args(
                     headers=response.headers, url=response.url, body=decoded_body
                 )
-                kwargs: Dict[str, Any] = {"cls": respcls, "body": decoded_body}
+                kwargs: Dict[str, Any] = {"body": decoded_body}
                 if issubclass(respcls, TextResponse):
                     # force recalculating the encoding until we make sure the
                     # responsetypes guessing is reliable