diff --git a/pandas/tests/io/test_gcs.py b/pandas/tests/io/test_gcs.py
index bdea24f7bb5aa..2357db0b8d15b 100644
--- a/pandas/tests/io/test_gcs.py
+++ b/pandas/tests/io/test_gcs.py
@@ -44,8 +44,6 @@ def ls(self, path, **kwargs):
 
 
 @td.skip_if_no("gcsfs")
-# Patches pyarrow; other processes should not pick up change
-@pytest.mark.single_cpu
 @pytest.mark.parametrize("format", ["csv", "json", "parquet", "excel", "markdown"])
 def test_to_read_gcs(gcs_buffer, format, monkeypatch, capsys):
     """
@@ -207,4 +205,4 @@ def open(self, path, mode="r", *args):
 @td.skip_if_installed("gcsfs")
 def test_gcs_not_present_exception():
     with tm.external_error_raised(ImportError):
-        read_csv("gs://test/test.csv")
+        read_csv("gs://test/test.csv")
\ No newline at end of file