diff --git a/openflexure_microscope/camera/mock.py b/openflexure_microscope/camera/mock.py
index 4dfc976a..aa49c04c 100644
--- a/openflexure_microscope/camera/mock.py
+++ b/openflexure_microscope/camera/mock.py
@@ -136,17 +136,13 @@ class MissingCamera(BaseCamera):
         """
 
         # Get config items from the base class
-        conf_dict = BaseCamera.read_settings(self)
+        conf_dict = {
+            "stream_resolution": self.stream_resolution,
+            "image_resolution": self.image_resolution,
+            "numpy_resolution": self.numpy_resolution,
+            "jpeg_quality": self.jpeg_quality,
+        }
 
-        # Include device-specific config items
-        conf_dict.update(
-            {
-                "stream_resolution": self.stream_resolution,
-                "image_resolution": self.image_resolution,
-                "numpy_resolution": self.numpy_resolution,
-                "jpeg_quality": self.jpeg_quality,
-            }
-        )
 
         return conf_dict
 
diff --git a/openflexure_microscope/camera/pi.py b/openflexure_microscope/camera/pi.py
index 523267d2..a7546c10 100644
--- a/openflexure_microscope/camera/pi.py
+++ b/openflexure_microscope/camera/pi.py
@@ -127,21 +127,14 @@ class PiCameraStreamer(BaseCamera):
         """
         Return config dictionary of the PiCameraStreamer.
         """
-
-        # Get config items from the base class
-        conf_dict = BaseCamera.read_settings(self)
-
-        # Include device-specific config items
-        conf_dict.update(
-            {
-                "stream_resolution": self.stream_resolution,
-                "image_resolution": self.image_resolution,
-                "numpy_resolution": self.numpy_resolution,
-                "jpeg_quality": self.jpeg_quality,
-                "mjpeg_quality": self.mjpeg_quality,
-                "picamera": {},
-            }
-        )
+        conf_dict = {
+            "stream_resolution": self.stream_resolution,
+            "image_resolution": self.image_resolution,
+            "numpy_resolution": self.numpy_resolution,
+            "jpeg_quality": self.jpeg_quality,
+            "mjpeg_quality": self.mjpeg_quality,
+            "picamera": {},
+        }
 
         # Include a subset of picamera properties. Excludes lens shading table
         for key in PiCameraStreamer.picamera_settings_keys: