diff --git a/runtimes/alibi-explain/tests/conftest.py b/runtimes/alibi-explain/tests/conftest.py
index 3298272a9..30ba8d6dc 100644
--- a/runtimes/alibi-explain/tests/conftest.py
+++ b/runtimes/alibi-explain/tests/conftest.py
@@ -127,7 +127,7 @@ async def model_registry(
 
 @pytest.fixture
 def data_plane(settings: Settings, model_registry: MultiModelRegistry) -> DataPlane:
-    return DataPlane(settings=settings, model_registry=model_registry)
+    return DataPlane(settings=settings, model_registry=model_registry,response_cache=None)
 
 
 @pytest.fixture
diff --git a/runtimes/mlflow/tests/rest/conftest.py b/runtimes/mlflow/tests/rest/conftest.py
index 8a5df840c..1a1b02a59 100644
--- a/runtimes/mlflow/tests/rest/conftest.py
+++ b/runtimes/mlflow/tests/rest/conftest.py
@@ -95,7 +95,7 @@ def settings() -> Settings:
 
 @pytest.fixture
 def data_plane(settings: Settings, model_registry: MultiModelRegistry) -> DataPlane:
-    return DataPlane(settings=settings, model_registry=model_registry)
+    return DataPlane(settings=settings, model_registry=model_registry,response_cache=None)
 
 
 @pytest.fixture
diff --git a/tests/conftest.py b/tests/conftest.py
index 31e825d45..e5bd99afc 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -203,7 +203,7 @@ def data_plane(
     model_registry: MultiModelRegistry,
     prometheus_registry: CollectorRegistry,
 ) -> DataPlane:
-    return DataPlane(settings=settings, model_registry=model_registry)
+    return DataPlane(settings=settings, model_registry=model_registry,response_cache=None)
 
 
 @pytest.fixture