diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py
index c4a0c8131..f523c2bb9 100644
--- a/scrapy/http/request/__init__.py
+++ b/scrapy/http/request/__init__.py
@@ -242,20 +242,12 @@ class Request(object_ref):
             self._cb_kwargs = {}
         return self._cb_kwargs
 
-    @cb_kwargs.setter
-    def cb_kwargs(self, value: dict[str, Any] | None) -> None:
-        self._cb_kwargs = value or None
-
     @property
     def meta(self) -> dict[str, Any]:
         if self._meta is None:
             self._meta = {}
         return self._meta
 
-    @meta.setter
-    def meta(self, value: dict[str, Any] | None) -> None:
-        self._meta = value or None
-
     @property
     def url(self) -> str:
         return self._url
diff --git a/tests/test_http_request.py b/tests/test_http_request.py
index 06b280235..81f8fa3c1 100644
--- a/tests/test_http_request.py
+++ b/tests/test_http_request.py
@@ -320,12 +320,6 @@ class TestRequest:
     def test_setters(self):
         request = self.request_class("http://example.com")
 
-        request.cb_kwargs = {"a": 1}
-        assert request.cb_kwargs == {"a": 1}
-
-        request.meta = {"k": "v"}
-        assert request.meta == {"k": "v"}
-
         request.flags = ["f1"]
         assert request.flags == ["f1"]
 
@@ -349,24 +343,6 @@ class TestRequest:
 
         request = self.request_class("http://example.com")
 
-        assert request._cb_kwargs is None
-        assert request.cb_kwargs == {}
-        assert request.cb_kwargs is request.cb_kwargs
-        assert request._cb_kwargs == {}
-        original_cb_kwargs = request.cb_kwargs
-        request.cb_kwargs = None
-        assert request.cb_kwargs == {}
-        assert request.cb_kwargs is not original_cb_kwargs
-
-        assert request._meta is None
-        assert request.meta == {}
-        assert request.meta is request.meta
-        assert request._meta == {}
-        original_meta = request.meta
-        request.meta = None
-        assert request.meta == {}
-        assert request.meta is not original_meta
-
         assert request._flags is None
         assert request.flags == []
         assert request.flags is request.flags