diff --git a/services/clusters-keeper/tests/unit/test_clusters_management_core.py b/services/clusters-keeper/tests/unit/test_clusters_management_core.py
index 1444084a2586..e410a7b96881 100644
--- a/services/clusters-keeper/tests/unit/test_clusters_management_core.py
+++ b/services/clusters-keeper/tests/unit/test_clusters_management_core.py
@@ -37,8 +37,6 @@ def wallet_id(faker: Faker) -> WalletID:
 @pytest.fixture
 def app_environment(
     app_environment: EnvVarsDict,
-    disabled_rabbitmq: None,
-    mocked_redis_server: None,
     monkeypatch: pytest.MonkeyPatch,
 ) -> EnvVarsDict:
     # fast interval
@@ -58,6 +56,8 @@ def _base_configuration(
     aws_security_group_id: str,
     aws_ami_id: str,
     aws_allowed_ec2_instance_type_names: list[str],
+    disabled_rabbitmq: None,
+    mocked_redis_server: None,
 ) -> None:
     ...
 
diff --git a/services/clusters-keeper/tests/unit/test_clusters_management_task.py b/services/clusters-keeper/tests/unit/test_clusters_management_task.py
index ede4e9bb1029..a91dfdd80ecc 100644
--- a/services/clusters-keeper/tests/unit/test_clusters_management_task.py
+++ b/services/clusters-keeper/tests/unit/test_clusters_management_task.py
@@ -19,9 +19,6 @@
 @pytest.fixture
 def app_environment(
     app_environment: EnvVarsDict,
-    disabled_rabbitmq: None,
-    mocked_aws_server_envs: None,
-    mocked_redis_server: None,
     monkeypatch: pytest.MonkeyPatch,
 ) -> EnvVarsDict:
     return app_environment | setenvs_from_dict(
@@ -38,7 +35,9 @@ def mock_background_task(mocker: MockerFixture) -> mock.Mock:
 
 
 async def test_clusters_management_task_created_and_deleted(
-    app_environment: EnvVarsDict,
+    disabled_rabbitmq: None,
+    mocked_aws_server_envs: None,
+    mocked_redis_server: None,
     mock_background_task: mock.Mock,
     initialized_app: FastAPI,
     app_settings: ApplicationSettings,
diff --git a/services/clusters-keeper/tests/unit/test_modules_ec2.py b/services/clusters-keeper/tests/unit/test_modules_ec2.py
index ab701b154d31..4e1b02b0860f 100644
--- a/services/clusters-keeper/tests/unit/test_modules_ec2.py
+++ b/services/clusters-keeper/tests/unit/test_modules_ec2.py
@@ -246,7 +246,7 @@ async def test_get_instances(
     assert not all_instances["Reservations"]
     assert (
         await clusters_keeper_ec2.get_instances(
-            app_settings.CLUSTERS_KEEPER_EC2_INSTANCES, {}
+            app_settings.CLUSTERS_KEEPER_EC2_INSTANCES, tags={}
         )
         == []
     )