diff --git a/src/crewai/flow/flow.py b/src/crewai/flow/flow.py
index b2fcee961..c89dcc49c 100644
--- a/src/crewai/flow/flow.py
+++ b/src/crewai/flow/flow.py
@@ -17,7 +17,6 @@ from typing import (
 )
 from uuid import uuid4
 
-from blinker import Signal
 from pydantic import BaseModel, Field, ValidationError
 
 from crewai.flow.flow_visualizer import plot_flow
@@ -25,11 +24,11 @@ from crewai.flow.persistence.base import FlowPersistence
 from crewai.flow.utils import get_possible_return_constants
 from crewai.telemetry import Telemetry
 from crewai.utilities.events import (
+    FlowCreatedEvent,
     FlowFinishedEvent,
     FlowStartedEvent,
     MethodExecutionFinishedEvent,
     MethodExecutionStartedEvent,
-    FlowCreatedEvent,
 )
 from crewai.utilities.events.event_bus import event_bus
 from crewai.utilities.printer import Printer
diff --git a/src/crewai/utilities/events/__init__.py b/src/crewai/utilities/events/__init__.py
index 3756d64f8..b7e49bcd3 100644
--- a/src/crewai/utilities/events/__init__.py
+++ b/src/crewai/utilities/events/__init__.py
@@ -22,7 +22,7 @@ from .flow_events import (
     MethodExecutionStartedEvent,
     MethodExecutionFinishedEvent,
 )
-from .event_bus import EventTypes, EventBus, event_bus
+from .event_bus import EventBus, event_bus
 from .tool_usage_events import ToolUsageFinishedEvent, ToolUsageErrorEvent
 
 # events
diff --git a/src/crewai/utilities/events/event_bus.py b/src/crewai/utilities/events/event_bus.py
index 067aadbb0..791c28ba4 100644
--- a/src/crewai/utilities/events/event_bus.py
+++ b/src/crewai/utilities/events/event_bus.py
@@ -6,8 +6,6 @@ from blinker import Signal
 
 from crewai.utilities.events.crew_events import CrewEvent
 
-from .event_types import EventTypes
-
 EventT = TypeVar("EventT", bound=CrewEvent)
 
 
diff --git a/src/crewai/utilities/events/task_events.py b/src/crewai/utilities/events/task_events.py
index a48f0b69d..6a7ad1fb9 100644
--- a/src/crewai/utilities/events/task_events.py
+++ b/src/crewai/utilities/events/task_events.py
@@ -1,4 +1,5 @@
 from typing import Any, Optional
+
 from crewai.utilities.events.crew_events import CrewEvent
 
 
diff --git a/tests/crew_test.py b/tests/crew_test.py
index 3e804ba07..0fe012728 100644
--- a/tests/crew_test.py
+++ b/tests/crew_test.py
@@ -6,7 +6,6 @@ from concurrent.futures import Future
 from unittest import mock
 from unittest.mock import MagicMock, patch
 
-import instructor
 import pydantic_core
 import pytest
 
@@ -17,24 +16,23 @@ from crewai.crews.crew_output import CrewOutput
 from crewai.knowledge.source.string_knowledge_source import StringKnowledgeSource
 from crewai.memory.contextual.contextual_memory import ContextualMemory
 from crewai.process import Process
-from crewai.project import crew
 from crewai.task import Task
 from crewai.tasks.conditional_task import ConditionalTask
 from crewai.tasks.output_format import OutputFormat
 from crewai.tasks.task_output import TaskOutput
 from crewai.types.usage_metrics import UsageMetrics
 from crewai.utilities import Logger
+from crewai.utilities.events import (
+    CrewTrainCompletedEvent,
+    CrewTrainStartedEvent,
+    event_bus,
+)
 from crewai.utilities.events.crew_events import (
     CrewTestCompletedEvent,
     CrewTestStartedEvent,
 )
 from crewai.utilities.rpm_controller import RPMController
 from crewai.utilities.task_output_storage_handler import TaskOutputStorageHandler
-from crewai.utilities.events import (
-    CrewTrainStartedEvent,
-    CrewTrainCompletedEvent,
-    event_bus,
-)
 
 ceo = Agent(
     role="CEO",
diff --git a/tests/utilities/test_events.py b/tests/utilities/test_events.py
index ed47a32c4..4efa4377c 100644
--- a/tests/utilities/test_events.py
+++ b/tests/utilities/test_events.py
@@ -34,7 +34,6 @@ from crewai.utilities.events.task_events import (
     TaskStartedEvent,
 )
 from crewai.utilities.events.tool_usage_events import ToolUsageErrorEvent
-from requests.exceptions import RequestException
 
 base_agent = Agent(
     role="base_agent",