diff --git a/src/ophyd_async/epics/areadetector/writers/_hdffile.py b/src/ophyd_async/epics/areadetector/writers/_hdffile.py
index fbfc34b201..1ef2da47e3 100644
--- a/src/ophyd_async/epics/areadetector/writers/_hdffile.py
+++ b/src/ophyd_async/epics/areadetector/writers/_hdffile.py
@@ -26,10 +26,7 @@ def __init__(
             compose_stream_resource(
                 mimetype="application/x-hdf5",
                 uri=f"file://localhost{full_file_name}",
-                # spec="AD_HDF5_SWMR_SLICE",
-                # root=str(path_info.root),
                 data_key=ds.name,
-                # resource_path=str(full_file_name.relative_to(path_info.root)),
                 parameters={
                     "path": ds.path,
                     "multiplier": ds.multiplier,
diff --git a/src/ophyd_async/panda/writers/_panda_hdf_file.py b/src/ophyd_async/panda/writers/_panda_hdf_file.py
index f8ccb61458..cc050a82ca 100644
--- a/src/ophyd_async/panda/writers/_panda_hdf_file.py
+++ b/src/ophyd_async/panda/writers/_panda_hdf_file.py
@@ -29,10 +29,7 @@ def __init__(
             compose_stream_resource(
                 mimetype="application/x-hdf5",
                 uri=f"file://localhost{path_info.root / full_file_name}",
-                # spec="AD_HDF5_SWMR_SLICE",
-                # root=str(path_info.root),
                 data_key=ds.name,
-                # resource_path=(f"{str(path_info.root)}/{full_file_name}"),
                 parameters={
                     "name": ds.name,
                     "block": ds.block,
diff --git a/src/ophyd_async/sim/pattern_generator.py b/src/ophyd_async/sim/pattern_generator.py
index b2684c8f0d..631f7cb757 100644
--- a/src/ophyd_async/sim/pattern_generator.py
+++ b/src/ophyd_async/sim/pattern_generator.py
@@ -74,8 +74,6 @@ def _compose_bundles(
         full_file_name: Path,
         datasets: List[DatasetConfig],
     ) -> List[StreamAsset]:
-        # path = str(full_file_name.relative_to(path_info.root))
-        # root = str(path_info.root)
         bundler_composer = ComposeStreamResource()
 
         bundles: List[ComposeStreamResourceBundle] = []
@@ -84,9 +82,6 @@ def _compose_bundles(
             bundler_composer(
                 mimetype="application/x-hdf5",
                 uri=f"file://{full_file_name}",
-                # spec=SLICE_NAME,
-                # root=root,
-                # resource_path=path,
                 data_key=d.name.replace("/", "_"),
                 parameters={
                     "path": d.path,
diff --git a/tests/core/test_flyer.py b/tests/core/test_flyer.py
index acc2600772..aaf4c0a424 100644
--- a/tests/core/test_flyer.py
+++ b/tests/core/test_flyer.py
@@ -87,10 +87,7 @@ async def collect_stream_docs(
                 self._file = compose_stream_resource(
                     mimetype="application/x-hdf5",
                     uri="file://",
-                    # spec="AD_HDF5_SWMR_SLICE",
-                    # root="/",
                     data_key=self._name,
-                    # resource_path="",
                     parameters={
                         "path": "",
                         "dataset": "",
diff --git a/tests/plan_stubs/test_fly.py b/tests/plan_stubs/test_fly.py
index 009f9cab7e..b634d39013 100644
--- a/tests/plan_stubs/test_fly.py
+++ b/tests/plan_stubs/test_fly.py
@@ -75,10 +75,7 @@ async def collect_stream_docs(
                 self._file = compose_stream_resource(
                     mimetype="application/x-hdf5",
                     uri="file://",
-                    # spec="AD_HDF5_SWMR_SLICE",
-                    # root="/",
                     data_key=self._name,
-                    # resource_path="",
                     parameters={
                         "path": "",
                         "swmr": False,