diff --git a/conftest.py b/conftest.py
--- a/conftest.py
+++ b/conftest.py
@@ -3,55 +3,14 @@
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-import os
 import pytest
-import yaml
 
-from typing import Any, Dict
 
-pytest_plugins = ["swh.scheduler.pytest_plugin", "swh.storage.pytest_plugin"]
-
-
-@pytest.fixture
-def swh_loader_config(swh_storage_postgresql) -> Dict[str, Any]:
-    return {
-        "storage": {
-            "cls": "pipeline",
-            "steps": [
-                {"cls": "retry"},
-                {"cls": "filter"},
-                {"cls": "buffer"},
-                {
-                    "cls": "local",
-                    "db": swh_storage_postgresql.dsn,
-                    "objstorage": {"cls": "memory", "args": {}},
-                },
-            ],
-        },
-        "deposit": {
-            "url": "https://deposit.softwareheritage.org/1/private",
-            "auth": {"username": "user", "password": "pass",},
-        },
-    }
-
-
-@pytest.fixture
-def swh_config(swh_loader_config, monkeypatch, tmp_path):
-    conffile = os.path.join(str(tmp_path), "loader.yml")
-    with open(conffile, "w") as f:
-        f.write(yaml.dump(swh_loader_config))
-    monkeypatch.setenv("SWH_CONFIG_FILENAME", conffile)
-    return conffile
-
-
-@pytest.fixture(autouse=True, scope="session")
-def swh_proxy():
-    """Automatically inject this fixture in all tests to ensure no outside
-       connection takes place.
-
-    """
-    os.environ["http_proxy"] = "http://localhost:999"
-    os.environ["https_proxy"] = "http://localhost:999"
+pytest_plugins = [
+    "swh.scheduler.pytest_plugin",
+    "swh.storage.pytest_plugin",
+    "swh.loader.pytest_plugin",
+]
 
 
 @pytest.fixture(scope="session")
diff --git a/conftest.py b/swh/loader/pytest_plugin.py
copy from conftest.py
copy to swh/loader/pytest_plugin.py
--- a/conftest.py
+++ b/swh/loader/pytest_plugin.py
@@ -4,13 +4,12 @@
 # See top-level LICENSE file for more information
 
 import os
+
 import pytest
 import yaml
 
 from typing import Any, Dict
 
-pytest_plugins = ["swh.scheduler.pytest_plugin", "swh.storage.pytest_plugin"]
-
 
 @pytest.fixture
 def swh_loader_config(swh_storage_postgresql) -> Dict[str, Any]:
@@ -52,16 +51,3 @@
     """
     os.environ["http_proxy"] = "http://localhost:999"
     os.environ["https_proxy"] = "http://localhost:999"
-
-
-@pytest.fixture(scope="session")
-def swh_scheduler_celery_includes(swh_scheduler_celery_includes):
-    return swh_scheduler_celery_includes + [
-        "swh.loader.package.archive.tasks",
-        "swh.loader.package.cran.tasks",
-        "swh.loader.package.debian.tasks",
-        "swh.loader.package.deposit.tasks",
-        "swh.loader.package.npm.tasks",
-        "swh.loader.package.pypi.tasks",
-        "swh.loader.package.nixguix.tasks",
-    ]