diff --git a/src/google/adk/events/event.py b/src/google/adk/events/event.py
index 3a4bba5f..8114d318 100644
--- a/src/google/adk/events/event.py
+++ b/src/google/adk/events/event.py
@@ -89,13 +89,6 @@ class Event(LlmResponse):
     """
     if self.actions.skip_summarization or self.long_running_tool_ids:
       return True
-
-    # If we see state delta but no content, then this must be an event fired
-    # from callbacks that does not early exit / override response,
-    # thus the event itself cannot be final response.
-    if self.actions.state_delta and self.content is None:
-      return False
-
     return (
         not self.get_function_calls()
         and not self.get_function_responses()
diff --git a/tests/unittests/agents/test_base_agent.py b/tests/unittests/agents/test_base_agent.py
index 2ecf8c90..663179f6 100644
--- a/tests/unittests/agents/test_base_agent.py
+++ b/tests/unittests/agents/test_base_agent.py
@@ -339,41 +339,6 @@ async def test_run_async_with_async_before_agent_callback_bypass_agent(
   assert events[0].content.parts[0].text == 'agent run is bypassed.'
 
 
-@pytest.mark.asyncio
-async def test_run_async_with_async_before_agent_callback_state_delta(
-    request: pytest.FixtureRequest,
-):
-  def before_agent_callback_state_delta(callback_context: CallbackContext):
-    callback_context.state['some_field'] = 'some_value'
-    return None
-
-  agent = _TestingAgent(
-      name=f'{request.function.__name__}_test_agent',
-      before_agent_callback=before_agent_callback_state_delta,
-  )
-  parent_ctx = await _create_parent_invocation_context(
-      request.function.__name__, agent
-  )
-
-  events = [e async for e in agent.run_async(parent_ctx)]
-
-  # The before_agent_callback yields an event with state change.
-  # Then the agent's _run_async_impl yields another event.
-  assert len(events) == 2
-
-  callback_event = events[0]
-  # The callback event should have state delta and no content.
-  assert callback_event.actions.state_delta is not None
-  assert callback_event.actions.state_delta['some_field'] == 'some_value'
-  assert callback_event.content is None
-  # This should not be a final response.
-  assert not callback_event.is_final_response()
-
-  agent_run_event = events[1]
-  # The event from the agent run should be a final response.
-  assert agent_run_event.is_final_response()
-
-
 class CallbackType(Enum):
   SYNC = 1
   ASYNC = 2