diff --git a/lib/crewai/src/crewai/utilities/token_counter_callback.py b/lib/crewai/src/crewai/utilities/token_counter_callback.py
index 64a0ab299..d64e5b2f0 100644
--- a/lib/crewai/src/crewai/utilities/token_counter_callback.py
+++ b/lib/crewai/src/crewai/utilities/token_counter_callback.py
@@ -33,6 +33,8 @@ class TokenCalcHandler(BaseModel):
 
     model_config = {"arbitrary_types_allowed": True}
 
+    __hash__ = object.__hash__
+
     token_cost_process: TokenProcess | None = Field(default=None)
 
     def __init__(
diff --git a/lib/crewai/tests/memory/test_memory_root_scope.py b/lib/crewai/tests/memory/test_memory_root_scope.py
index 8b0c382af..0647fa93b 100644
--- a/lib/crewai/tests/memory/test_memory_root_scope.py
+++ b/lib/crewai/tests/memory/test_memory_root_scope.py
@@ -543,17 +543,12 @@ class TestAgentScopeExtension:
         mock_task.description = "Research task"
         mock_task.expected_output = "Report"
 
-        class MinimalExecutor(CrewAgentExecutorMixin):
-            crew = None
-            agent = mock_agent
-            task = mock_task
-            iterations = 0
-            max_iter = 1
-            messages = []
-            _i18n = MagicMock()
-            _printer = Printer()
+        executor = CrewAgentExecutorMixin(
+            crew=None,
+            agent=mock_agent,
+            task=mock_task,
+        )
 
-        executor = MinimalExecutor()
         executor._save_to_memory(AgentFinish(thought="", output="Result", text="Result"))
 
         mock_memory.remember_many.assert_called_once()
@@ -582,17 +577,12 @@ class TestAgentScopeExtension:
         mock_task.description = "Task"
         mock_task.expected_output = "Output"
 
-        class MinimalExecutor(CrewAgentExecutorMixin):
-            crew = None
-            agent = mock_agent
-            task = mock_task
-            iterations = 0
-            max_iter = 1
-            messages = []
-            _i18n = MagicMock()
-            _printer = Printer()
+        executor = CrewAgentExecutorMixin(
+            crew=None,
+            agent=mock_agent,
+            task=mock_task,
+        )
 
-        executor = MinimalExecutor()
         executor._save_to_memory(AgentFinish(thought="", output="R", text="R"))
 
         call_kwargs = mock_memory.remember_many.call_args.kwargs
@@ -1077,17 +1067,12 @@ class TestAgentExecutorBackwardCompat:
         mock_task.description = "Task"
         mock_task.expected_output = "Output"
 
-        class MinimalExecutor(CrewAgentExecutorMixin):
-            crew = None
-            agent = mock_agent
-            task = mock_task
-            iterations = 0
-            max_iter = 1
-            messages = []
-            _i18n = MagicMock()
-            _printer = Printer()
+        executor = CrewAgentExecutorMixin(
+            crew=None,
+            agent=mock_agent,
+            task=mock_task,
+        )
 
-        executor = MinimalExecutor()
         executor._save_to_memory(AgentFinish(thought="", output="R", text="R"))
 
         # Should NOT pass root_scope when memory has none
@@ -1117,17 +1102,12 @@ class TestAgentExecutorBackwardCompat:
         mock_task.description = "Task"
         mock_task.expected_output = "Output"
 
-        class MinimalExecutor(CrewAgentExecutorMixin):
-            crew = None
-            agent = mock_agent
-            task = mock_task
-            iterations = 0
-            max_iter = 1
-            messages = []
-            _i18n = MagicMock()
-            _printer = Printer()
+        executor = CrewAgentExecutorMixin(
+            crew=None,
+            agent=mock_agent,
+            task=mock_task,
+        )
 
-        executor = MinimalExecutor()
         executor._save_to_memory(AgentFinish(thought="", output="R", text="R"))
 
         # Should pass extended root_scope