diff --git a/tests/conftest.py b/tests/conftest.py
index 1d983ea7b..8010ff18f 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -169,3 +169,11 @@ def erepo(repo_dir):
         yield repo
     finally:
         repo.tearDown()
+
+
+@pytest.fixture(scope="session", autouse=True)
+def _close_pools():
+    from dvc.remote.pool import close_pools
+
+    yield
+    close_pools()