diff --git a/src/strands/models/anthropic.py b/src/strands/models/anthropic.py
index b5f6fcf91..05749421c 100644
--- a/src/strands/models/anthropic.py
+++ b/src/strands/models/anthropic.py
@@ -407,7 +407,7 @@ async def stream(
                 logger.debug("got response from model")
                 async for event in stream:
                     if event.type in AnthropicModel.EVENT_TYPES:
-                        yield self.format_chunk(event.model_dump())
+                        yield self.format_chunk(event.model_dump(warnings=False))
 
                 usage = event.message.usage  # type: ignore
                 yield self.format_chunk({"type": "metadata", "usage": usage.model_dump()})
diff --git a/tests/strands/models/test_anthropic.py b/tests/strands/models/test_anthropic.py
index c5aff8062..332429b97 100644
--- a/tests/strands/models/test_anthropic.py
+++ b/tests/strands/models/test_anthropic.py
@@ -696,19 +696,19 @@ async def test_stream(anthropic_client, model, agenerator, alist):
     mock_event_1 = unittest.mock.Mock(
         type="message_start",
         dict=lambda: {"type": "message_start"},
-        model_dump=lambda: {"type": "message_start"},
+        model_dump=lambda **_: {"type": "message_start"},
     )
     mock_event_2 = unittest.mock.Mock(
         type="unknown",
         dict=lambda: {"type": "unknown"},
-        model_dump=lambda: {"type": "unknown"},
+        model_dump=lambda **_: {"type": "unknown"},
     )
     mock_event_3 = unittest.mock.Mock(
         type="metadata",
         message=unittest.mock.Mock(
             usage=unittest.mock.Mock(
                 dict=lambda: {"input_tokens": 1, "output_tokens": 2},
-                model_dump=lambda: {"input_tokens": 1, "output_tokens": 2},
+                model_dump=lambda **_: {"input_tokens": 1, "output_tokens": 2},
             )
         ),
     )