diff --git a/src/allencell_ml_segmenter/main/segmenter_layer.py b/src/allencell_ml_segmenter/main/segmenter_layer.py
index 4245872f..0f40ee89 100644
--- a/src/allencell_ml_segmenter/main/segmenter_layer.py
+++ b/src/allencell_ml_segmenter/main/segmenter_layer.py
@@ -15,7 +15,7 @@ class ShapesLayer(SegmenterLayer):
 
 
 @dataclass
-class Source(SegmenterLayer):
+class Source:
     path: Optional[Path] = None
 
 
@@ -23,7 +23,7 @@ class Source(SegmenterLayer):
 class ImageLayer(SegmenterLayer):
     path: Optional[Path] = None
     data: Optional[np.ndarray] = None
-    source: Source = Source(name="sourcename")
+    source: Source = Source()
     metadata: Optional[dict] = None