diff --git a/packages/celery-library/tests/unit/test_tasks.py b/packages/celery-library/tests/unit/test_tasks.py
index 757cbd3aaff2..98e748550503 100644
--- a/packages/celery-library/tests/unit/test_tasks.py
+++ b/packages/celery-library/tests/unit/test_tasks.py
@@ -16,7 +16,7 @@
 from celery_library.errors import TaskNotFoundError, TransferrableCeleryError
 from celery_library.task import register_task
 from celery_library.task_manager import CeleryTaskManager
-from celery_library.utils import get_app_server
+from celery_library.worker.app_server import get_app_server
 from common_library.errors_classes import OsparcErrorMixin
 from faker import Faker
 from models_library.progress_bar import ProgressReport
diff --git a/services/api-server/src/simcore_service_api_server/modules/celery/worker/main.py b/services/api-server/src/simcore_service_api_server/modules/celery/worker/main.py
index 826802f4d34b..94a3ee806e47 100644
--- a/services/api-server/src/simcore_service_api_server/modules/celery/worker/main.py
+++ b/services/api-server/src/simcore_service_api_server/modules/celery/worker/main.py
@@ -1,31 +1,25 @@
 from celery_library.worker.app import create_worker_app
 from servicelib.fastapi.celery.app_server import FastAPIAppServer
 from servicelib.logging_utils import setup_loggers
-from servicelib.tracing import TracingConfig
 
 from ....core.application import create_app
 from ....core.settings import ApplicationSettings
 from .tasks import register_worker_tasks
 
-_settings = ApplicationSettings.create_from_envs()
-_tracing_settings = _settings.API_SERVER_TRACING
-_tracing_config = TracingConfig.create(
-    tracing_settings=_tracing_settings,
-    service_name="api-server-celery-worker",
-)
-
 
 def get_app():
+    _settings = ApplicationSettings.create_from_envs()
+
     setup_loggers(
         log_format_local_dev_enabled=_settings.API_SERVER_LOG_FORMAT_LOCAL_DEV_ENABLED,
         logger_filter_mapping=_settings.API_SERVER_LOG_FILTER_MAPPING,
-        tracing_config=_tracing_config,
+        tracing_settings=_settings.API_SERVER_TRACING,
         log_base_level=_settings.log_level,
         noisy_loggers=None,
     )
 
     def _app_server_factory() -> FastAPIAppServer:
-        fastapi_app = create_app(_settings, tracing_config=_tracing_config)
+        fastapi_app = create_app(_settings)
         return FastAPIAppServer(app=fastapi_app)
 
     assert _settings.API_SERVER_CELERY  # nosec
diff --git a/services/api-server/tests/unit/api_functions/celery/conftest.py b/services/api-server/tests/unit/api_functions/celery/conftest.py
index bdb23dc68206..264b63b95601 100644
--- a/services/api-server/tests/unit/api_functions/celery/conftest.py
+++ b/services/api-server/tests/unit/api_functions/celery/conftest.py
@@ -20,7 +20,6 @@
 from pytest_simcore.helpers.monkeypatch_envs import delenvs_from_dict, setenvs_from_dict
 from pytest_simcore.helpers.typing_env import EnvVarsDict
 from servicelib.fastapi.celery.app_server import FastAPIAppServer
-from servicelib.tracing import TracingConfig
 from settings_library.redis import RedisSettings
 from simcore_service_api_server.clients import celery_task_manager
 from simcore_service_api_server.core.application import create_app
@@ -114,15 +113,11 @@ async def with_api_server_celery_worker(
     add_worker_tasks: bool,
     monkeypatch: pytest.MonkeyPatch,
 ) -> AsyncIterator[TestWorkController]:
-    tracing_config = TracingConfig.create(
-        tracing_settings=None,  # disable tracing in tests
-        service_name="api-server-worker-test",
-    )
     # Signals must be explicitily connected
     monkeypatch.setenv("API_SERVER_WORKER_MODE", "true")
     app_settings = ApplicationSettings.create_from_envs()
 
-    app_server = FastAPIAppServer(app=create_app(app_settings, tracing_config))
+    app_server = FastAPIAppServer(app=create_app(app_settings))
 
     _init_wrapper = _worker_init_wrapper(celery_app, lambda: app_server)
     _shutdown_wrapper = _worker_shutdown_wrapper(celery_app)
diff --git a/services/storage/src/simcore_service_storage/modules/celery/worker/main.py b/services/storage/src/simcore_service_storage/modules/celery/worker/main.py
index e6a455209706..3a77118c766e 100644
--- a/services/storage/src/simcore_service_storage/modules/celery/worker/main.py
+++ b/services/storage/src/simcore_service_storage/modules/celery/worker/main.py
@@ -1,7 +1,6 @@
 from celery_library.worker.app import create_worker_app
 from servicelib.fastapi.celery.app_server import FastAPIAppServer
 from servicelib.logging_utils import setup_loggers
-from servicelib.tracing import TracingConfig
 
 from ....api._worker_tasks.tasks import register_worker_tasks
 from ....core.application import create_app
@@ -10,21 +9,17 @@
 
 def get_app():
     _settings = ApplicationSettings.create_from_envs()
-    _tracing_config = TracingConfig.create(
-        tracing_settings=_settings.STORAGE_TRACING,
-        service_name="storage-celery-worker",
-    )
 
     setup_loggers(
         log_format_local_dev_enabled=_settings.STORAGE_LOG_FORMAT_LOCAL_DEV_ENABLED,
         logger_filter_mapping=_settings.STORAGE_LOG_FILTER_MAPPING,
-        tracing_config=_tracing_config,
+        tracing_settings=_settings.STORAGE_TRACING,
         log_base_level=_settings.log_level,
         noisy_loggers=None,
     )
 
     def _app_server_factory() -> FastAPIAppServer:
-        fastapi_app = create_app(_settings, tracing_config=_tracing_config)
+        fastapi_app = create_app(_settings)
         return FastAPIAppServer(app=fastapi_app)
 
     assert _settings.STORAGE_CELERY  # nosec