diff --git a/tests/cross_agent/test_docker_container_id.py b/tests/cross_agent/test_docker_container_id.py
index 65cfaf567..279c7828f 100644
--- a/tests/cross_agent/test_docker_container_id.py
+++ b/tests/cross_agent/test_docker_container_id.py
@@ -15,7 +15,6 @@
 import json
 import os
 
-import mock
 import pytest
 
 import newrelic.common.utilization as u
@@ -43,7 +42,7 @@ def _mock_open(filename, mode):
             raise FileNotFoundError
         elif filename == "/proc/self/cgroup":
             return mock_file
-        raise RuntimeError
+        raise RuntimeError()
 
     return _mock_open
 
diff --git a/tests/cross_agent/test_docker_container_id_v2.py b/tests/cross_agent/test_docker_container_id_v2.py
index 48aebe2e1..22bc89beb 100644
--- a/tests/cross_agent/test_docker_container_id_v2.py
+++ b/tests/cross_agent/test_docker_container_id_v2.py
@@ -15,7 +15,6 @@
 import json
 import os
 
-import mock
 import pytest
 
 import newrelic.common.utilization as u
@@ -43,7 +42,7 @@ def _mock_open(filename, mode):
             raise FileNotFoundError
         elif filename == "/proc/self/mountinfo":
             return mock_file
-        raise RuntimeError
+        raise RuntimeError()
 
     return _mock_open
 
diff --git a/tests/mlmodel_langchain/test_chain.py b/tests/mlmodel_langchain/test_chain.py
index a3a54aeea..12025d479 100644
--- a/tests/mlmodel_langchain/test_chain.py
+++ b/tests/mlmodel_langchain/test_chain.py
@@ -22,7 +22,7 @@
 from langchain.chains.combine_documents import create_stuff_documents_chain
 from langchain.chains.openai_functions import create_structured_output_chain, create_structured_output_runnable
 from langchain_community.vectorstores.faiss import FAISS
-from mock import patch
+from unittest.mock import patch
 from testing_support.fixtures import reset_core_stats_engine, validate_attributes
 from testing_support.ml_testing_utils import (
     disabled_ai_monitoring_record_content_settings,
diff --git a/tests/mlmodel_langchain/test_tool.py b/tests/mlmodel_langchain/test_tool.py
index af425e20d..2fdbc28d9 100644
--- a/tests/mlmodel_langchain/test_tool.py
+++ b/tests/mlmodel_langchain/test_tool.py
@@ -20,7 +20,7 @@
 import pydantic_core
 import pytest
 from langchain.tools import tool
-from mock import patch
+from unittest.mock import patch
 from testing_support.fixtures import reset_core_stats_engine, validate_attributes
 from testing_support.ml_testing_utils import (
     disabled_ai_monitoring_record_content_settings,
diff --git a/tox.ini b/tox.ini
index f607d2d34..84fbbd062 100644
--- a/tox.ini
+++ b/tox.ini
@@ -249,7 +249,6 @@ deps =
     component_tastypie-tastypielatest: django<4.1
     component_tastypie-tastypielatest: asgiref<3.7.1  # asgiref==3.7.1 only suppport Python 3.10+
     coroutines_asyncio-{py37,py38,py39,py310,py311,py312,py313}: uvloop
-    cross_agent: mock==1.0.1
     cross_agent: requests
     datastore_asyncpg: asyncpg
     datastore_aiomcache: aiomcache