diff --git a/selfprivacy_api/jobs/nix_collect_garbage.py b/selfprivacy_api/jobs/nix_collect_garbage.py
index 1c02831..1220fce 100644
--- a/selfprivacy_api/jobs/nix_collect_garbage.py
+++ b/selfprivacy_api/jobs/nix_collect_garbage.py
@@ -6,9 +6,11 @@ from selfprivacy_api.utils.huey import huey
 
 from selfprivacy_api.jobs import JobStatus, Jobs, Job
 
+
 class ShellException(Exception):
     """Shell-related errors"""
 
+
 COMPLETED_WITH_ERROR = (
     "Error occurred, please report this to the support chat."
 )
@@ -72,6 +74,7 @@ def process_stream(job: Job, stream: Iterable[bytes], total_dead_packages: int)
             percent = int((completed_packages / total_dead_packages) * 100)
 
             if percent - prev_progress >= 5:
+
                 Jobs.update(
                     job=job,
                     status=JobStatus.RUNNING,
@@ -140,7 +143,7 @@ def start_nix_collect_garbage() -> Job:
         name="Collect garbage",
         description="Cleaning up unused packages",
     )
-    task_handle = calculate_and_clear_dead_paths(job=job)
-    result = task_handle(blocking=True)
-    assert result
+
+    calculate_and_clear_dead_paths(job=job)
+
     return job
diff --git a/tests/test_graphql/test_nix_collect_garbage.py b/tests/test_graphql/test_nix_collect_garbage.py
index 11eeb5a..6f00f79 100644
--- a/tests/test_graphql/test_nix_collect_garbage.py
+++ b/tests/test_graphql/test_nix_collect_garbage.py
@@ -3,9 +3,10 @@
 # pylint: disable=missing-function-docstring
 
 import pytest
+from selfprivacy_api.utils.huey import huey
 
 from selfprivacy_api.jobs import JobStatus, Jobs, Job
-from tests.test_graphql.common import get_data, assert_errorcode, assert_ok
+from tests.test_graphql.common import get_data, assert_errorcode, assert_ok, assert_empty
 
 from selfprivacy_api.jobs.nix_collect_garbage import (
     get_dead_packages,
@@ -60,12 +61,6 @@ def mock_delete_old_gens_and_return_dead_report(mocker):
     return mock
 
 
-@pytest.fixture
-def mock_run_nix_collect_garbage_returns_gibberish(mocker):
-    mock = mocker.patch("selfprivacy_api.jobs.nix_collect_garbage.run_nix_collect_garbage", autospec=True, return_value=b" oiuojkhjkhjkhjkhkjh")
-    return mock
-
-
 # ---
 
 
@@ -133,6 +128,7 @@ mutation CollectGarbage {
 
 
 def test_graphql_nix_collect_garbage(authorized_client, mock_delete_old_gens_and_return_dead_report):
+    assert huey.immediate is True
     response = authorized_client.post(
         "/graphql",
         json={
@@ -143,17 +139,17 @@ def test_graphql_nix_collect_garbage(authorized_client, mock_delete_old_gens_and
     output = get_data(response)["system"]["nixCollectGarbage"]
     assert_ok(output)
     assert output["job"] is not None
+    assert output["job"]["status"] == "FINISHED"
+    assert output["job"]["error"] is None
 
 
-def test_graphql_nix_collect_garbage_with_problems(authorized_client, mock_run_nix_collect_garbage_returns_gibberish):
-    response = authorized_client.post(
+def test_graphql_nix_collect_garbage_not_authorized_client(client, mock_delete_old_gens_and_return_dead_report):
+    assert huey.immediate is True
+    response = client.post(
         "/graphql",
         json={
             "query": RUN_NIX_COLLECT_GARBAGE_MUTATION,
         },
     )
 
-    output = get_data(response)["system"]["nixCollectGarbage"]
-    assert_ok(output)
-    assert output["job"] is not None
-    assert output["job"]["status"] == "ERROR"
\ No newline at end of file
+    assert_empty(response)