diff --git a/dvc/testing/api_tests.py b/dvc/testing/api_tests.py
index e7d5161f8..fa5ce0ecb 100644
--- a/dvc/testing/api_tests.py
+++ b/dvc/testing/api_tests.py
@@ -38,7 +38,7 @@ class TestAPI:
     )
     def test_filesystem(
         self,
-        M,  # from `pytest-test-utils`
+        M,
         tmp_dir,
         make_tmp_dir,
         scm,