diff --git a/resources/tester/test_591_1_plan_site.py b/resources/tester/test_591_1_plan_site.py
index e620be9e1..611ae5a5f 100644
--- a/resources/tester/test_591_1_plan_site.py
+++ b/resources/tester/test_591_1_plan_site.py
@@ -107,8 +107,6 @@ def test_화면_지도_출처():
     assert "DesignSpeed" not in page
 
 
-def test_D04_연결_설계속도_안_넘김(monkeypatch):
-    from D04_PlanConfirm import D04_PlanConfirm_Link as link
-
-    monkeypatch.setattr(link, "get_db_pool", lambda: pytest.fail("빈 설계속도는 씨앗 안 씀"))
-    asyncio.run(link.seed_design_speed("road-id", None))  # 예정노선 = 빈 값 → B05 기본 20
+def test_D04_연결_설계속도_안_넘김():
+    link = (ROOT / "D04_PlanConfirm" / "D04_PlanConfirm_Link.py").read_text(encoding="utf-8")
+    assert "design_speed" not in link  # 예정노선 설계속도 씨앗 걷음(590-1) → B05 기본 20