diff --git a/src/hyperion/utils/context.py b/src/hyperion/utils/context.py
index b2ae62b52..0066ab305 100644
--- a/src/hyperion/utils/context.py
+++ b/src/hyperion/utils/context.py
@@ -70,16 +70,13 @@ def device_composite_from_context(context: BlueskyContext, dc: Type[DT]) -> DT:
     return dc(**devices)
 
 
-def setup_context(
-    wait_for_connection: bool = True, fake_with_ophyd_sim: bool = False
-) -> BlueskyContext:
+def setup_context(wait_for_connection: bool = True) -> BlueskyContext:
     context = BlueskyContext()
     context.with_plan_module(hyperion_plans)
 
     context.with_dodal_module(
         get_beamline_based_on_environment_variable(),
         wait_for_connection=wait_for_connection,
-        fake_with_ophyd_sim=fake_with_ophyd_sim,
     )
 
     LOGGER.info(f"Plans found in context: {context.plan_functions.keys()}")
diff --git a/tests/unit_tests/hyperion/test_main_system.py b/tests/unit_tests/hyperion/test_main_system.py
index f0838f9f8..5baf303a0 100644
--- a/tests/unit_tests/hyperion/test_main_system.py
+++ b/tests/unit_tests/hyperion/test_main_system.py
@@ -546,7 +546,7 @@ def test_when_context_created_then_contains_expected_number_of_plans(
     get_beamline_parameters,
 ):
     with patch.dict(os.environ, {"BEAMLINE": "i03"}):
-        context = setup_context(wait_for_connection=False, fake_with_ophyd_sim=True)
+        context = setup_context(wait_for_connection=False)
 
         plan_names = context.plans.keys()