diff --git a/src/ibex_bluesky_core/devices/dae/dae_spectra.py b/src/ibex_bluesky_core/devices/dae/dae_spectra.py
index 3378fc3..5a042bb 100644
--- a/src/ibex_bluesky_core/devices/dae/dae_spectra.py
+++ b/src/ibex_bluesky_core/devices/dae/dae_spectra.py
@@ -56,7 +56,7 @@ def __init__(self, dae_prefix: str, *, spectra: int, period: int, name: str = ""
             int, f"{dae_prefix}SPEC:{period}:{spectra}:YC.NORD"
         )
 
-        self.stddev, self._stddev_setter = soft_signal_r_and_setter(NDArray[float32], [0.0])
+        self.stddev, self._stddev_setter = soft_signal_r_and_setter(NDArray[float32], [])
 
         super().__init__(name=name)
 
@@ -85,7 +85,7 @@ async def read_counts_per_time(self) -> NDArray[float32]:
     async def read_counts_uncertainties(self) -> NDArray[float32]:
         """Read a correctly-sized array of uncertainties for each count."""
         
-        return await self._read_sized(self.stddev, self.counts_size) # type: ignore
+        return await self._read_sized(self.stddev, self.counts_size) # type: ignore ???????
 
     async def read_spectrum_dataarray(self) -> sc.DataArray:
         """Get a scipp DataArray containing the current data from this spectrum.
diff --git a/src/ibex_bluesky_core/devices/simpledae/reducers.py b/src/ibex_bluesky_core/devices/simpledae/reducers.py
index 77568fe..587db01 100644
--- a/src/ibex_bluesky_core/devices/simpledae/reducers.py
+++ b/src/ibex_bluesky_core/devices/simpledae/reducers.py
@@ -2,7 +2,7 @@
 
 import asyncio
 from abc import ABCMeta, abstractmethod
-from typing import TYPE_CHECKING, Collection, Sequence, Tuple
+from typing import TYPE_CHECKING, Collection, Sequence
 
 import numpy as np
 import scipp as sc
@@ -91,11 +91,6 @@ def additional_readable_signals(self, dae: "SimpleDae") -> list[Device]:
             self.det_counts,
             self.intensity,
             self.denominator(dae),
-        ]
-    
-    def additional_readable_signals_uncertainties(self, dae: "SimpleDae") -> list[Device]:
-        """Publish interesting signals derived or used by this reducer, including respective uncertainties."""
-        return [
             self.det_counts_stddev,
             self.intensity_stddev,
         ]
@@ -186,11 +181,6 @@ def additional_readable_signals(self, dae: "SimpleDae") -> list[Device]:
             self.det_counts,
             self.mon_counts,
             self.intensity,
-        ]
-    
-    def additional_readable_signals_uncertainties(self, dae: "SimpleDae") -> list[Device]:
-        """Publish interesting signals derived or used by this reducer, including respective uncertainties."""
-        return [
             self.det_counts_stddev,
             self.mon_counts_stddev,
             self.intensity_stddev,
diff --git a/tests/devices/simpledae/test_reducers.py b/tests/devices/simpledae/test_reducers.py
index 3b6ea88..5f046cd 100644
--- a/tests/devices/simpledae/test_reducers.py
+++ b/tests/devices/simpledae/test_reducers.py
@@ -75,7 +75,7 @@ async def test_scalar_normalizer_publishes_uncertainties(
     simpledae: SimpleDae,
     good_frames_reducer: GoodFramesNormalizer,
 ):
-    readables = good_frames_reducer.additional_readable_signals_uncertainties(simpledae)
+    readables = good_frames_reducer.additional_readable_signals(simpledae)
     assert good_frames_reducer.intensity_stddev in readables
     assert good_frames_reducer.det_counts_stddev in readables
 
@@ -213,7 +213,7 @@ async def test_monitor_normalizer_publishes_raw_and_normalized_count_uncertainti
     simpledae: SimpleDae,
     monitor_normalizer: MonitorNormalizer,
 ):
-    readables = monitor_normalizer.additional_readable_signals_uncertainties(simpledae)
+    readables = monitor_normalizer.additional_readable_signals(simpledae)
     assert monitor_normalizer.intensity_stddev in readables
     assert monitor_normalizer.det_counts_stddev in readables
     assert monitor_normalizer.mon_counts_stddev in readables